diff --git a/ofborg/Cargo.nix b/ofborg/Cargo.nix
index 99580f6..fe97389 100644
--- a/ofborg/Cargo.nix
+++ b/ofborg/Cargo.nix
@@ -1,189 +1,192 @@
-# Generated by carnix 0.9.2: carnix generate-nix --src .
+# Generated by carnix 0.10.0: carnix generate-nix --src .
 { lib, buildPlatform, buildRustCrate, buildRustCrateHelpers, cratesIO, fetchgit }:
 with buildRustCrateHelpers;
 let inherit (lib.lists) fold;
     inherit (lib.attrsets) recursiveUpdate;
 in
-let crates = cratesIO // rec {
+rec {
+  crates = cratesIO // rec {
 # amqp-0.1.0
 
-  crates.amqp."0.1.0" = deps: { features?(features_.amqp."0.1.0" deps {}) }: buildRustCrate {
-    crateName = "amqp";
-    version = "0.1.0";
-    authors = [ "Andrii Dmytrenko <andrey@reevoo.com>" ];
-    src = fetchgit {
-       url = "https://github.com/grahamc/rust-amqp.git";
-       rev = "f9aec2f40aef69a459f26003ce47048f8e2a08d1";
-       sha256 = "09k6fl7l0rcwilnckdfv3smiv1ilrwi1jxmrrkjwbrj64lky3jdy";
-       fetchSubmodules = false;
+    crates.amqp."0.1.0" = deps: { features?(features_.amqp."0.1.0" deps {}) }: buildRustCrate {
+      crateName = "amqp";
+      version = "0.1.0";
+      description = "AMQP/RabbitMQ protocol client";
+      authors = [ "Andrii Dmytrenko <andrey@reevoo.com>" ];
+      src = fetchgit {
+         url = "https://github.com/grahamc/rust-amqp.git";
+         rev = "f9aec2f40aef69a459f26003ce47048f8e2a08d1";
+         sha256 = "09k6fl7l0rcwilnckdfv3smiv1ilrwi1jxmrrkjwbrj64lky3jdy";
+         fetchSubmodules = false;
+      };
+      dependencies = mapFeatures features ([
+        (cratesIO.crates."amq_proto"."${deps."amqp"."0.1.0"."amq_proto"}" deps)
+        (cratesIO.crates."env_logger"."${deps."amqp"."0.1.0"."env_logger"}" deps)
+        (cratesIO.crates."log"."${deps."amqp"."0.1.0"."log"}" deps)
+        (cratesIO.crates."time"."${deps."amqp"."0.1.0"."time"}" deps)
+        (cratesIO.crates."url"."${deps."amqp"."0.1.0"."url"}" deps)
+      ]
+        ++ (if features.amqp."0.1.0".openssl or false then [ (cratesIO.crates.openssl."${deps."amqp"."0.1.0".openssl}" deps) ] else []));
+      features = mkFeatures (features."amqp"."0.1.0" or {});
     };
-    dependencies = mapFeatures features ([
-      (cratesIO.crates."amq_proto"."${deps."amqp"."0.1.0"."amq_proto"}" deps)
-      (cratesIO.crates."env_logger"."${deps."amqp"."0.1.0"."env_logger"}" deps)
-      (cratesIO.crates."log"."${deps."amqp"."0.1.0"."log"}" deps)
-      (cratesIO.crates."time"."${deps."amqp"."0.1.0"."time"}" deps)
-      (cratesIO.crates."url"."${deps."amqp"."0.1.0"."url"}" deps)
-    ]
-      ++ (if features.amqp."0.1.0".openssl or false then [ (cratesIO.crates.openssl."${deps."amqp"."0.1.0".openssl}" deps) ] else []));
-    features = mkFeatures (features."amqp"."0.1.0" or {});
-  };
-  features_.amqp."0.1.0" = deps: f: updateFeatures f (rec {
-    amq_proto."${deps.amqp."0.1.0".amq_proto}".default = true;
-    amqp = fold recursiveUpdate {} [
-      { "0.1.0".default = (f.amqp."0.1.0".default or true); }
-      { "0.1.0".openssl =
-        (f.amqp."0.1.0".openssl or false) ||
-        (f.amqp."0.1.0".tls or false) ||
-        (amqp."0.1.0"."tls" or false); }
-      { "0.1.0".tls =
-        (f.amqp."0.1.0".tls or false) ||
-        (f.amqp."0.1.0".default or false) ||
-        (amqp."0.1.0"."default" or false); }
+    features_.amqp."0.1.0" = deps: f: updateFeatures f (rec {
+      amq_proto."${deps.amqp."0.1.0".amq_proto}".default = true;
+      amqp = fold recursiveUpdate {} [
+        { "0.1.0"."openssl" =
+          (f.amqp."0.1.0"."openssl" or false) ||
+          (f.amqp."0.1.0".tls or false) ||
+          (amqp."0.1.0"."tls" or false); }
+        { "0.1.0"."tls" =
+          (f.amqp."0.1.0"."tls" or false) ||
+          (f.amqp."0.1.0".default or false) ||
+          (amqp."0.1.0"."default" or false); }
+        { "0.1.0".default = (f.amqp."0.1.0".default or true); }
+      ];
+      env_logger."${deps.amqp."0.1.0".env_logger}".default = true;
+      log."${deps.amqp."0.1.0".log}".default = true;
+      openssl."${deps.amqp."0.1.0".openssl}".default = true;
+      time."${deps.amqp."0.1.0".time}".default = true;
+      url."${deps.amqp."0.1.0".url}".default = true;
+    }) [
+      (cratesIO.features_.amq_proto."${deps."amqp"."0.1.0"."amq_proto"}" deps)
+      (cratesIO.features_.env_logger."${deps."amqp"."0.1.0"."env_logger"}" deps)
+      (cratesIO.features_.log."${deps."amqp"."0.1.0"."log"}" deps)
+      (cratesIO.features_.openssl."${deps."amqp"."0.1.0"."openssl"}" deps)
+      (cratesIO.features_.time."${deps."amqp"."0.1.0"."time"}" deps)
+      (cratesIO.features_.url."${deps."amqp"."0.1.0"."url"}" deps)
     ];
-    env_logger."${deps.amqp."0.1.0".env_logger}".default = true;
-    log."${deps.amqp."0.1.0".log}".default = true;
-    openssl."${deps.amqp."0.1.0".openssl}".default = true;
-    time."${deps.amqp."0.1.0".time}".default = true;
-    url."${deps.amqp."0.1.0".url}".default = true;
-  }) [
-    (cratesIO.features_.amq_proto."${deps."amqp"."0.1.0"."amq_proto"}" deps)
-    (cratesIO.features_.env_logger."${deps."amqp"."0.1.0"."env_logger"}" deps)
-    (cratesIO.features_.log."${deps."amqp"."0.1.0"."log"}" deps)
-    (cratesIO.features_.openssl."${deps."amqp"."0.1.0"."openssl"}" deps)
-    (cratesIO.features_.time."${deps."amqp"."0.1.0"."time"}" deps)
-    (cratesIO.features_.url."${deps."amqp"."0.1.0"."url"}" deps)
-  ];
 
 
 # end
 # hubcaps-0.3.16
 
-  crates.hubcaps."0.3.16" = deps: { features?(features_.hubcaps."0.3.16" deps {}) }: buildRustCrate {
-    crateName = "hubcaps";
-    version = "0.3.16";
-    authors = [ "softprops <d.tangren@gmail.com>" ];
-    src = fetchgit {
-       url = "https://github.com/grahamc/hubcaps.git";
-       rev = "1c5da1e60ee2d0d69188d83da048e7328aae05b9";
-       sha256 = "0s8ralkinvcjs5cnl2iar0hzwa1k16b7a0n24fw5dx9fqcykm4ya";
-       fetchSubmodules = false;
+    crates.hubcaps."0.3.16" = deps: { features?(features_.hubcaps."0.3.16" deps {}) }: buildRustCrate {
+      crateName = "hubcaps";
+      version = "0.3.16";
+      description = "Rust interface for Github";
+      authors = [ "softprops <d.tangren@gmail.com>" ];
+      src = fetchgit {
+         url = "https://github.com/grahamc/hubcaps.git";
+         rev = "1c5da1e60ee2d0d69188d83da048e7328aae05b9";
+         sha256 = "0s8ralkinvcjs5cnl2iar0hzwa1k16b7a0n24fw5dx9fqcykm4ya";
+         fetchSubmodules = false;
+      };
+      dependencies = mapFeatures features ([
+        (cratesIO.crates."error_chain"."${deps."hubcaps"."0.3.16"."error_chain"}" deps)
+        (cratesIO.crates."frank_jwt"."${deps."hubcaps"."0.3.16"."frank_jwt"}" deps)
+        (cratesIO.crates."hyper"."${deps."hubcaps"."0.3.16"."hyper"}" deps)
+        (cratesIO.crates."log"."${deps."hubcaps"."0.3.16"."log"}" deps)
+        (cratesIO.crates."serde"."${deps."hubcaps"."0.3.16"."serde"}" deps)
+        (cratesIO.crates."serde_derive"."${deps."hubcaps"."0.3.16"."serde_derive"}" deps)
+        (cratesIO.crates."serde_json"."${deps."hubcaps"."0.3.16"."serde_json"}" deps)
+        (cratesIO.crates."url"."${deps."hubcaps"."0.3.16"."url"}" deps)
+      ]);
     };
-    dependencies = mapFeatures features ([
-      (cratesIO.crates."error_chain"."${deps."hubcaps"."0.3.16"."error_chain"}" deps)
-      (cratesIO.crates."frank_jwt"."${deps."hubcaps"."0.3.16"."frank_jwt"}" deps)
-      (cratesIO.crates."hyper"."${deps."hubcaps"."0.3.16"."hyper"}" deps)
-      (cratesIO.crates."log"."${deps."hubcaps"."0.3.16"."log"}" deps)
-      (cratesIO.crates."serde"."${deps."hubcaps"."0.3.16"."serde"}" deps)
-      (cratesIO.crates."serde_derive"."${deps."hubcaps"."0.3.16"."serde_derive"}" deps)
-      (cratesIO.crates."serde_json"."${deps."hubcaps"."0.3.16"."serde_json"}" deps)
-      (cratesIO.crates."url"."${deps."hubcaps"."0.3.16"."url"}" deps)
-    ]);
-  };
-  features_.hubcaps."0.3.16" = deps: f: updateFeatures f (rec {
-    error_chain."${deps.hubcaps."0.3.16".error_chain}".default = true;
-    frank_jwt."${deps.hubcaps."0.3.16".frank_jwt}".default = true;
-    hubcaps."0.3.16".default = (f.hubcaps."0.3.16".default or true);
-    hyper."${deps.hubcaps."0.3.16".hyper}".default = true;
-    log."${deps.hubcaps."0.3.16".log}".default = true;
-    serde."${deps.hubcaps."0.3.16".serde}".default = true;
-    serde_derive."${deps.hubcaps."0.3.16".serde_derive}".default = true;
-    serde_json."${deps.hubcaps."0.3.16".serde_json}".default = true;
-    url."${deps.hubcaps."0.3.16".url}".default = true;
-  }) [
-    (cratesIO.features_.error_chain."${deps."hubcaps"."0.3.16"."error_chain"}" deps)
-    (cratesIO.features_.frank_jwt."${deps."hubcaps"."0.3.16"."frank_jwt"}" deps)
-    (cratesIO.features_.hyper."${deps."hubcaps"."0.3.16"."hyper"}" deps)
-    (cratesIO.features_.log."${deps."hubcaps"."0.3.16"."log"}" deps)
-    (cratesIO.features_.serde."${deps."hubcaps"."0.3.16"."serde"}" deps)
-    (cratesIO.features_.serde_derive."${deps."hubcaps"."0.3.16"."serde_derive"}" deps)
-    (cratesIO.features_.serde_json."${deps."hubcaps"."0.3.16"."serde_json"}" deps)
-    (cratesIO.features_.url."${deps."hubcaps"."0.3.16"."url"}" deps)
-  ];
+    features_.hubcaps."0.3.16" = deps: f: updateFeatures f (rec {
+      error_chain."${deps.hubcaps."0.3.16".error_chain}".default = true;
+      frank_jwt."${deps.hubcaps."0.3.16".frank_jwt}".default = true;
+      hubcaps."0.3.16".default = (f.hubcaps."0.3.16".default or true);
+      hyper."${deps.hubcaps."0.3.16".hyper}".default = true;
+      log."${deps.hubcaps."0.3.16".log}".default = true;
+      serde."${deps.hubcaps."0.3.16".serde}".default = true;
+      serde_derive."${deps.hubcaps."0.3.16".serde_derive}".default = true;
+      serde_json."${deps.hubcaps."0.3.16".serde_json}".default = true;
+      url."${deps.hubcaps."0.3.16".url}".default = true;
+    }) [
+      (cratesIO.features_.error_chain."${deps."hubcaps"."0.3.16"."error_chain"}" deps)
+      (cratesIO.features_.frank_jwt."${deps."hubcaps"."0.3.16"."frank_jwt"}" deps)
+      (cratesIO.features_.hyper."${deps."hubcaps"."0.3.16"."hyper"}" deps)
+      (cratesIO.features_.log."${deps."hubcaps"."0.3.16"."log"}" deps)
+      (cratesIO.features_.serde."${deps."hubcaps"."0.3.16"."serde"}" deps)
+      (cratesIO.features_.serde_derive."${deps."hubcaps"."0.3.16"."serde_derive"}" deps)
+      (cratesIO.features_.serde_json."${deps."hubcaps"."0.3.16"."serde_json"}" deps)
+      (cratesIO.features_.url."${deps."hubcaps"."0.3.16"."url"}" deps)
+    ];
 
 
 # end
 # ofborg-0.1.8
 
-  crates.ofborg."0.1.8" = deps: { features?(features_.ofborg."0.1.8" deps {}) }: buildRustCrate {
-    crateName = "ofborg";
-    version = "0.1.8";
-    authors = [ "Graham Christensen <graham@grahamc.com>" ];
-    src = include [ "Cargo.toml" "Cargo.lock" "src" "test-srcs" "build.rs" ] ./.;
-    build = "build.rs";
-    dependencies = mapFeatures features ([
-      (crates."amqp"."${deps."ofborg"."0.1.8"."amqp"}" deps)
-      (cratesIO.crates."chrono"."${deps."ofborg"."0.1.8"."chrono"}" deps)
-      (cratesIO.crates."either"."${deps."ofborg"."0.1.8"."either"}" deps)
-      (cratesIO.crates."env_logger"."${deps."ofborg"."0.1.8"."env_logger"}" deps)
-      (cratesIO.crates."fs2"."${deps."ofborg"."0.1.8"."fs2"}" deps)
-      (crates."hubcaps"."${deps."ofborg"."0.1.8"."hubcaps"}" deps)
-      (cratesIO.crates."hyper"."${deps."ofborg"."0.1.8"."hyper"}" deps)
-      (cratesIO.crates."hyper_native_tls"."${deps."ofborg"."0.1.8"."hyper_native_tls"}" deps)
-      (cratesIO.crates."log"."${deps."ofborg"."0.1.8"."log"}" deps)
-      (cratesIO.crates."lru_cache"."${deps."ofborg"."0.1.8"."lru_cache"}" deps)
-      (cratesIO.crates."md5"."${deps."ofborg"."0.1.8"."md5"}" deps)
-      (cratesIO.crates."nom"."${deps."ofborg"."0.1.8"."nom"}" deps)
-      (cratesIO.crates."separator"."${deps."ofborg"."0.1.8"."separator"}" deps)
-      (cratesIO.crates."serde"."${deps."ofborg"."0.1.8"."serde"}" deps)
-      (cratesIO.crates."serde_derive"."${deps."ofborg"."0.1.8"."serde_derive"}" deps)
-      (cratesIO.crates."serde_json"."${deps."ofborg"."0.1.8"."serde_json"}" deps)
-      (cratesIO.crates."sys_info"."${deps."ofborg"."0.1.8"."sys_info"}" deps)
-      (cratesIO.crates."tempfile"."${deps."ofborg"."0.1.8"."tempfile"}" deps)
-      (cratesIO.crates."uuid"."${deps."ofborg"."0.1.8"."uuid"}" deps)
-    ]);
-  };
-  features_.ofborg."0.1.8" = deps: f: updateFeatures f (rec {
-    amqp."${deps.ofborg."0.1.8".amqp}".default = true;
-    chrono."${deps.ofborg."0.1.8".chrono}".default = true;
-    either."${deps.ofborg."0.1.8".either}".default = true;
-    env_logger."${deps.ofborg."0.1.8".env_logger}".default = true;
-    fs2."${deps.ofborg."0.1.8".fs2}".default = true;
-    hubcaps."${deps.ofborg."0.1.8".hubcaps}".default = true;
-    hyper."${deps.ofborg."0.1.8".hyper}".default = true;
-    hyper_native_tls."${deps.ofborg."0.1.8".hyper_native_tls}".default = true;
-    log."${deps.ofborg."0.1.8".log}".default = true;
-    lru_cache."${deps.ofborg."0.1.8".lru_cache}".default = true;
-    md5."${deps.ofborg."0.1.8".md5}".default = true;
-    nom."${deps.ofborg."0.1.8".nom}".default = true;
-    ofborg."0.1.8".default = (f.ofborg."0.1.8".default or true);
-    separator."${deps.ofborg."0.1.8".separator}".default = true;
-    serde."${deps.ofborg."0.1.8".serde}".default = true;
-    serde_derive."${deps.ofborg."0.1.8".serde_derive}".default = true;
-    serde_json."${deps.ofborg."0.1.8".serde_json}".default = true;
-    sys_info."${deps.ofborg."0.1.8".sys_info}".default = true;
-    tempfile."${deps.ofborg."0.1.8".tempfile}".default = true;
-    uuid = fold recursiveUpdate {} [
-      { "${deps.ofborg."0.1.8".uuid}"."v4" = true; }
-      { "${deps.ofborg."0.1.8".uuid}".default = true; }
+    crates.ofborg."0.1.8" = deps: { features?(features_.ofborg."0.1.8" deps {}) }: buildRustCrate {
+      crateName = "ofborg";
+      version = "0.1.8";
+      authors = [ "Graham Christensen <graham@grahamc.com>" ];
+      edition = "2018";
+      src = include [ "Cargo.toml" "Cargo.lock" "src" "test-srcs" "build.rs" ] ./.;
+      build = "build.rs";
+      dependencies = mapFeatures features ([
+        (crates."amqp"."${deps."ofborg"."0.1.8"."amqp"}" deps)
+        (cratesIO.crates."chrono"."${deps."ofborg"."0.1.8"."chrono"}" deps)
+        (cratesIO.crates."either"."${deps."ofborg"."0.1.8"."either"}" deps)
+        (cratesIO.crates."env_logger"."${deps."ofborg"."0.1.8"."env_logger"}" deps)
+        (cratesIO.crates."fs2"."${deps."ofborg"."0.1.8"."fs2"}" deps)
+        (crates."hubcaps"."${deps."ofborg"."0.1.8"."hubcaps"}" deps)
+        (cratesIO.crates."hyper"."${deps."ofborg"."0.1.8"."hyper"}" deps)
+        (cratesIO.crates."hyper_native_tls"."${deps."ofborg"."0.1.8"."hyper_native_tls"}" deps)
+        (cratesIO.crates."log"."${deps."ofborg"."0.1.8"."log"}" deps)
+        (cratesIO.crates."lru_cache"."${deps."ofborg"."0.1.8"."lru_cache"}" deps)
+        (cratesIO.crates."md5"."${deps."ofborg"."0.1.8"."md5"}" deps)
+        (cratesIO.crates."nom"."${deps."ofborg"."0.1.8"."nom"}" deps)
+        (cratesIO.crates."separator"."${deps."ofborg"."0.1.8"."separator"}" deps)
+        (cratesIO.crates."serde"."${deps."ofborg"."0.1.8"."serde"}" deps)
+        (cratesIO.crates."serde_derive"."${deps."ofborg"."0.1.8"."serde_derive"}" deps)
+        (cratesIO.crates."serde_json"."${deps."ofborg"."0.1.8"."serde_json"}" deps)
+        (cratesIO.crates."sys_info"."${deps."ofborg"."0.1.8"."sys_info"}" deps)
+        (cratesIO.crates."tempfile"."${deps."ofborg"."0.1.8"."tempfile"}" deps)
+        (cratesIO.crates."uuid"."${deps."ofborg"."0.1.8"."uuid"}" deps)
+      ]);
+    };
+    features_.ofborg."0.1.8" = deps: f: updateFeatures f (rec {
+      amqp."${deps.ofborg."0.1.8".amqp}".default = true;
+      chrono."${deps.ofborg."0.1.8".chrono}".default = true;
+      either."${deps.ofborg."0.1.8".either}".default = true;
+      env_logger."${deps.ofborg."0.1.8".env_logger}".default = true;
+      fs2."${deps.ofborg."0.1.8".fs2}".default = true;
+      hubcaps."${deps.ofborg."0.1.8".hubcaps}".default = true;
+      hyper."${deps.ofborg."0.1.8".hyper}".default = true;
+      hyper_native_tls."${deps.ofborg."0.1.8".hyper_native_tls}".default = true;
+      log."${deps.ofborg."0.1.8".log}".default = true;
+      lru_cache."${deps.ofborg."0.1.8".lru_cache}".default = true;
+      md5."${deps.ofborg."0.1.8".md5}".default = true;
+      nom."${deps.ofborg."0.1.8".nom}".default = true;
+      ofborg."0.1.8".default = (f.ofborg."0.1.8".default or true);
+      separator."${deps.ofborg."0.1.8".separator}".default = true;
+      serde."${deps.ofborg."0.1.8".serde}".default = true;
+      serde_derive."${deps.ofborg."0.1.8".serde_derive}".default = true;
+      serde_json."${deps.ofborg."0.1.8".serde_json}".default = true;
+      sys_info."${deps.ofborg."0.1.8".sys_info}".default = true;
+      tempfile."${deps.ofborg."0.1.8".tempfile}".default = true;
+      uuid = fold recursiveUpdate {} [
+        { "${deps.ofborg."0.1.8".uuid}"."v4" = true; }
+        { "${deps.ofborg."0.1.8".uuid}".default = true; }
+      ];
+    }) [
+      (features_.amqp."${deps."ofborg"."0.1.8"."amqp"}" deps)
+      (cratesIO.features_.chrono."${deps."ofborg"."0.1.8"."chrono"}" deps)
+      (cratesIO.features_.either."${deps."ofborg"."0.1.8"."either"}" deps)
+      (cratesIO.features_.env_logger."${deps."ofborg"."0.1.8"."env_logger"}" deps)
+      (cratesIO.features_.fs2."${deps."ofborg"."0.1.8"."fs2"}" deps)
+      (features_.hubcaps."${deps."ofborg"."0.1.8"."hubcaps"}" deps)
+      (cratesIO.features_.hyper."${deps."ofborg"."0.1.8"."hyper"}" deps)
+      (cratesIO.features_.hyper_native_tls."${deps."ofborg"."0.1.8"."hyper_native_tls"}" deps)
+      (cratesIO.features_.log."${deps."ofborg"."0.1.8"."log"}" deps)
+      (cratesIO.features_.lru_cache."${deps."ofborg"."0.1.8"."lru_cache"}" deps)
+      (cratesIO.features_.md5."${deps."ofborg"."0.1.8"."md5"}" deps)
+      (cratesIO.features_.nom."${deps."ofborg"."0.1.8"."nom"}" deps)
+      (cratesIO.features_.separator."${deps."ofborg"."0.1.8"."separator"}" deps)
+      (cratesIO.features_.serde."${deps."ofborg"."0.1.8"."serde"}" deps)
+      (cratesIO.features_.serde_derive."${deps."ofborg"."0.1.8"."serde_derive"}" deps)
+      (cratesIO.features_.serde_json."${deps."ofborg"."0.1.8"."serde_json"}" deps)
+      (cratesIO.features_.sys_info."${deps."ofborg"."0.1.8"."sys_info"}" deps)
+      (cratesIO.features_.tempfile."${deps."ofborg"."0.1.8"."tempfile"}" deps)
+      (cratesIO.features_.uuid."${deps."ofborg"."0.1.8"."uuid"}" deps)
     ];
-  }) [
-    (features_.amqp."${deps."ofborg"."0.1.8"."amqp"}" deps)
-    (cratesIO.features_.chrono."${deps."ofborg"."0.1.8"."chrono"}" deps)
-    (cratesIO.features_.either."${deps."ofborg"."0.1.8"."either"}" deps)
-    (cratesIO.features_.env_logger."${deps."ofborg"."0.1.8"."env_logger"}" deps)
-    (cratesIO.features_.fs2."${deps."ofborg"."0.1.8"."fs2"}" deps)
-    (features_.hubcaps."${deps."ofborg"."0.1.8"."hubcaps"}" deps)
-    (cratesIO.features_.hyper."${deps."ofborg"."0.1.8"."hyper"}" deps)
-    (cratesIO.features_.hyper_native_tls."${deps."ofborg"."0.1.8"."hyper_native_tls"}" deps)
-    (cratesIO.features_.log."${deps."ofborg"."0.1.8"."log"}" deps)
-    (cratesIO.features_.lru_cache."${deps."ofborg"."0.1.8"."lru_cache"}" deps)
-    (cratesIO.features_.md5."${deps."ofborg"."0.1.8"."md5"}" deps)
-    (cratesIO.features_.nom."${deps."ofborg"."0.1.8"."nom"}" deps)
-    (cratesIO.features_.separator."${deps."ofborg"."0.1.8"."separator"}" deps)
-    (cratesIO.features_.serde."${deps."ofborg"."0.1.8"."serde"}" deps)
-    (cratesIO.features_.serde_derive."${deps."ofborg"."0.1.8"."serde_derive"}" deps)
-    (cratesIO.features_.serde_json."${deps."ofborg"."0.1.8"."serde_json"}" deps)
-    (cratesIO.features_.sys_info."${deps."ofborg"."0.1.8"."sys_info"}" deps)
-    (cratesIO.features_.tempfile."${deps."ofborg"."0.1.8"."tempfile"}" deps)
-    (cratesIO.features_.uuid."${deps."ofborg"."0.1.8"."uuid"}" deps)
-  ];
 
 
 # end
 
-}; in
+  };
 
-rec {
   ofborg = crates.crates.ofborg."0.1.8" deps;
   __all = [ (ofborg {}) ];
   deps.aho_corasick."0.5.3" = {
diff --git a/ofborg/Cargo.toml b/ofborg/Cargo.toml
index 07015c1..db55092 100644
--- a/ofborg/Cargo.toml
+++ b/ofborg/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.8"
 authors = ["Graham Christensen <graham@grahamc.com>"]
 include = ["Cargo.toml", "Cargo.lock", "src", "test-srcs", "build.rs"]
 build = "build.rs"
-
+edition = "2018"
 
 [dependencies]
 either = "1.4.0"
diff --git a/ofborg/crates-io.nix b/ofborg/crates-io.nix
index 47f5772..797a036 100644
--- a/ofborg/crates-io.nix
+++ b/ofborg/crates-io.nix
@@ -10,6 +10,7 @@ rec {
   crates.aho_corasick."0.5.3" = deps: { features?(features_.aho_corasick."0.5.3" deps {}) }: buildRustCrate {
     crateName = "aho-corasick";
     version = "0.5.3";
+    description = "Fast multiple substring searching with finite state machines.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "1igab46mvgknga3sxkqc917yfff0wsjxjzabdigmh240p5qxqlnn";
     libName = "aho_corasick";
@@ -33,6 +34,7 @@ rec {
   crates.aho_corasick."0.6.9" = deps: { features?(features_.aho_corasick."0.6.9" deps {}) }: buildRustCrate {
     crateName = "aho-corasick";
     version = "0.6.9";
+    description = "Fast multiple substring searching with finite state machines.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "1lj20py6bvw3y7m9n2nqh0mkshfl1kjfp72lfika9gpkrp2r204l";
     libName = "aho_corasick";
@@ -56,6 +58,7 @@ rec {
   crates.amq_proto."0.1.0" = deps: { features?(features_.amq_proto."0.1.0" deps {}) }: buildRustCrate {
     crateName = "amq-proto";
     version = "0.1.0";
+    description = "AMQP/RabbitMQ protocol implementation";
     authors = [ "Andrii Dmytrenko <refresh.xss@gmail.com>" ];
     sha256 = "0333fsph61q9nxbx6h8hdxjmpabjm9vmsfc6q5agy801x35r4ml9";
     dependencies = mapFeatures features ([
@@ -91,6 +94,7 @@ rec {
   crates.antidote."1.0.0" = deps: { features?(features_.antidote."1.0.0" deps {}) }: buildRustCrate {
     crateName = "antidote";
     version = "1.0.0";
+    description = "Poison-free versions of the standard library Mutex and RwLock types";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "1x2wgaw603jcjwsfvc8s2rpaqjv0aqj8mvws2ahhkvfnwkdf7icw";
   };
@@ -105,6 +109,7 @@ rec {
   crates.autocfg."0.1.1" = deps: { features?(features_.autocfg."0.1.1" deps {}) }: buildRustCrate {
     crateName = "autocfg";
     version = "0.1.1";
+    description = "Automatic cfg for Rust compiler features";
     authors = [ "Josh Stone <cuviper@gmail.com>" ];
     sha256 = "0pzhbmwg46y04n89vn8yi0z1q8m3yh9gmfi8b9wn72zwk60f1rx2";
   };
@@ -119,6 +124,7 @@ rec {
   crates.backtrace."0.3.13" = deps: { features?(features_.backtrace."0.3.13" deps {}) }: buildRustCrate {
     crateName = "backtrace";
     version = "0.3.13";
+    description = "A library to acquire a stack trace (backtrace) at runtime in a Rust program.\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" "The Rust Project Developers" ];
     sha256 = "1xx0vjdih9zqj6vp8l69n0f213wmif5471prgpkp24jbzxndvb1v";
     dependencies = mapFeatures features ([
@@ -143,69 +149,69 @@ rec {
   features_.backtrace."0.3.13" = deps: f: updateFeatures f (rec {
     autocfg."${deps.backtrace."0.3.13".autocfg}".default = true;
     backtrace = fold recursiveUpdate {} [
-      { "0.3.13".addr2line =
-        (f.backtrace."0.3.13".addr2line or false) ||
+      { "0.3.13"."addr2line" =
+        (f.backtrace."0.3.13"."addr2line" or false) ||
         (f.backtrace."0.3.13".gimli-symbolize or false) ||
         (backtrace."0.3.13"."gimli-symbolize" or false); }
-      { "0.3.13".backtrace-sys =
-        (f.backtrace."0.3.13".backtrace-sys or false) ||
+      { "0.3.13"."backtrace-sys" =
+        (f.backtrace."0.3.13"."backtrace-sys" or false) ||
         (f.backtrace."0.3.13".libbacktrace or false) ||
         (backtrace."0.3.13"."libbacktrace" or false); }
-      { "0.3.13".coresymbolication =
-        (f.backtrace."0.3.13".coresymbolication or false) ||
+      { "0.3.13"."coresymbolication" =
+        (f.backtrace."0.3.13"."coresymbolication" or false) ||
         (f.backtrace."0.3.13".default or false) ||
         (backtrace."0.3.13"."default" or false); }
-      { "0.3.13".dbghelp =
-        (f.backtrace."0.3.13".dbghelp or false) ||
+      { "0.3.13"."dbghelp" =
+        (f.backtrace."0.3.13"."dbghelp" or false) ||
         (f.backtrace."0.3.13".default or false) ||
         (backtrace."0.3.13"."default" or false); }
-      { "0.3.13".default = (f.backtrace."0.3.13".default or true); }
-      { "0.3.13".dladdr =
-        (f.backtrace."0.3.13".dladdr or false) ||
+      { "0.3.13"."dladdr" =
+        (f.backtrace."0.3.13"."dladdr" or false) ||
         (f.backtrace."0.3.13".default or false) ||
         (backtrace."0.3.13"."default" or false); }
-      { "0.3.13".findshlibs =
-        (f.backtrace."0.3.13".findshlibs or false) ||
+      { "0.3.13"."findshlibs" =
+        (f.backtrace."0.3.13"."findshlibs" or false) ||
         (f.backtrace."0.3.13".gimli-symbolize or false) ||
         (backtrace."0.3.13"."gimli-symbolize" or false); }
-      { "0.3.13".gimli =
-        (f.backtrace."0.3.13".gimli or false) ||
+      { "0.3.13"."gimli" =
+        (f.backtrace."0.3.13"."gimli" or false) ||
         (f.backtrace."0.3.13".gimli-symbolize or false) ||
         (backtrace."0.3.13"."gimli-symbolize" or false); }
-      { "0.3.13".libbacktrace =
-        (f.backtrace."0.3.13".libbacktrace or false) ||
+      { "0.3.13"."libbacktrace" =
+        (f.backtrace."0.3.13"."libbacktrace" or false) ||
         (f.backtrace."0.3.13".default or false) ||
         (backtrace."0.3.13"."default" or false); }
-      { "0.3.13".libunwind =
-        (f.backtrace."0.3.13".libunwind or false) ||
+      { "0.3.13"."libunwind" =
+        (f.backtrace."0.3.13"."libunwind" or false) ||
         (f.backtrace."0.3.13".default or false) ||
         (backtrace."0.3.13"."default" or false); }
-      { "0.3.13".memmap =
-        (f.backtrace."0.3.13".memmap or false) ||
+      { "0.3.13"."memmap" =
+        (f.backtrace."0.3.13"."memmap" or false) ||
         (f.backtrace."0.3.13".gimli-symbolize or false) ||
         (backtrace."0.3.13"."gimli-symbolize" or false); }
-      { "0.3.13".object =
-        (f.backtrace."0.3.13".object or false) ||
+      { "0.3.13"."object" =
+        (f.backtrace."0.3.13"."object" or false) ||
         (f.backtrace."0.3.13".gimli-symbolize or false) ||
         (backtrace."0.3.13"."gimli-symbolize" or false); }
-      { "0.3.13".rustc-serialize =
-        (f.backtrace."0.3.13".rustc-serialize or false) ||
+      { "0.3.13"."rustc-serialize" =
+        (f.backtrace."0.3.13"."rustc-serialize" or false) ||
         (f.backtrace."0.3.13".serialize-rustc or false) ||
         (backtrace."0.3.13"."serialize-rustc" or false); }
-      { "0.3.13".serde =
-        (f.backtrace."0.3.13".serde or false) ||
+      { "0.3.13"."serde" =
+        (f.backtrace."0.3.13"."serde" or false) ||
         (f.backtrace."0.3.13".serialize-serde or false) ||
         (backtrace."0.3.13"."serialize-serde" or false); }
-      { "0.3.13".serde_derive =
-        (f.backtrace."0.3.13".serde_derive or false) ||
+      { "0.3.13"."serde_derive" =
+        (f.backtrace."0.3.13"."serde_derive" or false) ||
         (f.backtrace."0.3.13".serialize-serde or false) ||
         (backtrace."0.3.13"."serialize-serde" or false); }
-      { "0.3.13".std =
-        (f.backtrace."0.3.13".std or false) ||
+      { "0.3.13"."std" =
+        (f.backtrace."0.3.13"."std" or false) ||
         (f.backtrace."0.3.13".default or false) ||
         (backtrace."0.3.13"."default" or false) ||
         (f.backtrace."0.3.13".libbacktrace or false) ||
         (backtrace."0.3.13"."libbacktrace" or false); }
+      { "0.3.13".default = (f.backtrace."0.3.13".default or true); }
     ];
     backtrace_sys."${deps.backtrace."0.3.13".backtrace_sys}".default = true;
     cfg_if."${deps.backtrace."0.3.13".cfg_if}".default = true;
@@ -234,6 +240,7 @@ rec {
   crates.backtrace_sys."0.1.28" = deps: { features?(features_.backtrace_sys."0.1.28" deps {}) }: buildRustCrate {
     crateName = "backtrace-sys";
     version = "0.1.28";
+    description = "Bindings to the libbacktrace gcc library\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
     sha256 = "1bbw8chs0wskxwzz7f3yy7mjqhyqj8lslq8pcjw1rbd2g23c34xl";
     build = "build.rs";
@@ -261,6 +268,7 @@ rec {
   crates.base64."0.9.3" = deps: { features?(features_.base64."0.9.3" deps {}) }: buildRustCrate {
     crateName = "base64";
     version = "0.9.3";
+    description = "encodes and decodes base64 as bytes or utf8";
     authors = [ "Alice Maz <alice@alicemaz.com>" "Marshall Pierce <marshall@mpierce.org>" ];
     sha256 = "11hhz8ln4zbpn2h2gm9fbbb9j254wrd4fpmddlyah2rrnqsmmqkd";
     dependencies = mapFeatures features ([
@@ -284,6 +292,7 @@ rec {
   crates.base64."0.10.0" = deps: { features?(features_.base64."0.10.0" deps {}) }: buildRustCrate {
     crateName = "base64";
     version = "0.10.0";
+    description = "encodes and decodes base64 as bytes or utf8";
     authors = [ "Alice Maz <alice@alicemaz.com>" "Marshall Pierce <marshall@mpierce.org>" ];
     sha256 = "1h9pfgvdl40d1l5hlrb5fg8rqkl86hz07i22vgdcpjbissw8sisj";
     dependencies = mapFeatures features ([
@@ -304,6 +313,7 @@ rec {
   crates.bit_vec."0.4.4" = deps: { features?(features_.bit_vec."0.4.4" deps {}) }: buildRustCrate {
     crateName = "bit-vec";
     version = "0.4.4";
+    description = "A vector of bits";
     authors = [ "Alexis Beingessner <a.beingessner@gmail.com>" ];
     sha256 = "06czykmn001z6c3a4nsrpc3lrj63ga0kzp7kgva9r9wylhkkqpq9";
     features = mkFeatures (features."bit_vec"."0.4.4" or {});
@@ -319,17 +329,18 @@ rec {
   crates.bitflags."0.9.1" = deps: { features?(features_.bitflags."0.9.1" deps {}) }: buildRustCrate {
     crateName = "bitflags";
     version = "0.9.1";
+    description = "A macro to generate structures which behave like bitflags.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "18h073l5jd88rx4qdr95fjddr9rk79pb1aqnshzdnw16cfmb9rws";
     features = mkFeatures (features."bitflags"."0.9.1" or {});
   };
   features_.bitflags."0.9.1" = deps: f: updateFeatures f (rec {
     bitflags = fold recursiveUpdate {} [
-      { "0.9.1".default = (f.bitflags."0.9.1".default or true); }
-      { "0.9.1".example_generated =
-        (f.bitflags."0.9.1".example_generated or false) ||
+      { "0.9.1"."example_generated" =
+        (f.bitflags."0.9.1"."example_generated" or false) ||
         (f.bitflags."0.9.1".default or false) ||
         (bitflags."0.9.1"."default" or false); }
+      { "0.9.1".default = (f.bitflags."0.9.1".default or true); }
     ];
   }) [];
 
@@ -340,6 +351,7 @@ rec {
   crates.bitflags."1.0.4" = deps: { features?(features_.bitflags."1.0.4" deps {}) }: buildRustCrate {
     crateName = "bitflags";
     version = "1.0.4";
+    description = "A macro to generate structures which behave like bitflags.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1g1wmz2001qmfrd37dnd5qiss5njrw26aywmg6yhkmkbyrhjxb08";
     features = mkFeatures (features."bitflags"."1.0.4" or {});
@@ -355,17 +367,18 @@ rec {
   crates.byteorder."0.5.3" = deps: { features?(features_.byteorder."0.5.3" deps {}) }: buildRustCrate {
     crateName = "byteorder";
     version = "0.5.3";
+    description = "Library for reading/writing numbers in big-endian and little-endian.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "0zsr6b0m0yl5c0yy92nq7srfpczd1dx1xqcx3rlm5fbl8si9clqx";
     features = mkFeatures (features."byteorder"."0.5.3" or {});
   };
   features_.byteorder."0.5.3" = deps: f: updateFeatures f (rec {
     byteorder = fold recursiveUpdate {} [
-      { "0.5.3".default = (f.byteorder."0.5.3".default or true); }
-      { "0.5.3".std =
-        (f.byteorder."0.5.3".std or false) ||
+      { "0.5.3"."std" =
+        (f.byteorder."0.5.3"."std" or false) ||
         (f.byteorder."0.5.3".default or false) ||
         (byteorder."0.5.3"."default" or false); }
+      { "0.5.3".default = (f.byteorder."0.5.3".default or true); }
     ];
   }) [];
 
@@ -376,17 +389,18 @@ rec {
   crates.byteorder."1.2.7" = deps: { features?(features_.byteorder."1.2.7" deps {}) }: buildRustCrate {
     crateName = "byteorder";
     version = "1.2.7";
+    description = "Library for reading/writing numbers in big-endian and little-endian.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "0wsl8in6jk2v1n8s8jz0pjd99mjr2isbf981497pgavwg6i11q5h";
     features = mkFeatures (features."byteorder"."1.2.7" or {});
   };
   features_.byteorder."1.2.7" = deps: f: updateFeatures f (rec {
     byteorder = fold recursiveUpdate {} [
-      { "1.2.7".default = (f.byteorder."1.2.7".default or true); }
-      { "1.2.7".std =
-        (f.byteorder."1.2.7".std or false) ||
+      { "1.2.7"."std" =
+        (f.byteorder."1.2.7"."std" or false) ||
         (f.byteorder."1.2.7".default or false) ||
         (byteorder."1.2.7"."default" or false); }
+      { "1.2.7".default = (f.byteorder."1.2.7".default or true); }
     ];
   }) [];
 
@@ -397,6 +411,7 @@ rec {
   crates.cc."1.0.28" = deps: { features?(features_.cc."1.0.28" deps {}) }: buildRustCrate {
     crateName = "cc";
     version = "1.0.28";
+    description = "A build-time dependency for Cargo build scripts to assist in invoking the native\nC compiler to compile native C code into a static archive to be linked into Rust\ncode.\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
     sha256 = "07harxg2cjw75qvnq637z088w9qaa0hgj0nmcm6yh9in8m2swl19";
     dependencies = mapFeatures features ([
@@ -405,11 +420,11 @@ rec {
   };
   features_.cc."1.0.28" = deps: f: updateFeatures f (rec {
     cc = fold recursiveUpdate {} [
-      { "1.0.28".default = (f.cc."1.0.28".default or true); }
-      { "1.0.28".rayon =
-        (f.cc."1.0.28".rayon or false) ||
+      { "1.0.28"."rayon" =
+        (f.cc."1.0.28"."rayon" or false) ||
         (f.cc."1.0.28".parallel or false) ||
         (cc."1.0.28"."parallel" or false); }
+      { "1.0.28".default = (f.cc."1.0.28".default or true); }
     ];
   }) [];
 
@@ -420,6 +435,7 @@ rec {
   crates.cfg_if."0.1.6" = deps: { features?(features_.cfg_if."0.1.6" deps {}) }: buildRustCrate {
     crateName = "cfg-if";
     version = "0.1.6";
+    description = "A macro to ergonomically define an item depending on a large number of #[cfg]\nparameters. Structured like an if-else chain, the first matching branch is the\nitem that gets emitted.\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
     sha256 = "11qrix06wagkplyk908i3423ps9m9np6c4vbcq81s9fyl244xv3n";
   };
@@ -434,6 +450,7 @@ rec {
   crates.chrono."0.4.6" = deps: { features?(features_.chrono."0.4.6" deps {}) }: buildRustCrate {
     crateName = "chrono";
     version = "0.4.6";
+    description = "Date and time library for Rust";
     authors = [ "Kang Seonghoon <public+rust@mearie.org>" "Brandon W Maister <quodlibetor@gmail.com>" ];
     sha256 = "0cxgqgf4lknsii1k806dpmzapi2zccjpa350ns5wpb568mij096x";
     dependencies = mapFeatures features ([
@@ -445,15 +462,15 @@ rec {
   };
   features_.chrono."0.4.6" = deps: f: updateFeatures f (rec {
     chrono = fold recursiveUpdate {} [
-      { "0.4.6".clock =
-        (f.chrono."0.4.6".clock or false) ||
+      { "0.4.6"."clock" =
+        (f.chrono."0.4.6"."clock" or false) ||
         (f.chrono."0.4.6".default or false) ||
         (chrono."0.4.6"."default" or false); }
-      { "0.4.6".default = (f.chrono."0.4.6".default or true); }
-      { "0.4.6".time =
-        (f.chrono."0.4.6".time or false) ||
+      { "0.4.6"."time" =
+        (f.chrono."0.4.6"."time" or false) ||
         (f.chrono."0.4.6".clock or false) ||
         (chrono."0.4.6"."clock" or false); }
+      { "0.4.6".default = (f.chrono."0.4.6".default or true); }
     ];
     num_integer."${deps.chrono."0.4.6".num_integer}".default = (f.num_integer."${deps.chrono."0.4.6".num_integer}".default or false);
     num_traits."${deps.chrono."0.4.6".num_traits}".default = (f.num_traits."${deps.chrono."0.4.6".num_traits}".default or false);
@@ -471,6 +488,7 @@ rec {
   crates.core_foundation."0.2.3" = deps: { features?(features_.core_foundation."0.2.3" deps {}) }: buildRustCrate {
     crateName = "core-foundation";
     version = "0.2.3";
+    description = "Bindings to Core Foundation for OS X";
     authors = [ "The Servo Project Developers" ];
     sha256 = "1g0vpya5h2wa0nlz4a74jar6y8z09f0p76zbzfqrm3dbfsrld1pm";
     dependencies = mapFeatures features ([
@@ -494,6 +512,7 @@ rec {
   crates.core_foundation_sys."0.2.3" = deps: { features?(features_.core_foundation_sys."0.2.3" deps {}) }: buildRustCrate {
     crateName = "core-foundation-sys";
     version = "0.2.3";
+    description = "Bindings to Core Foundation for OS X";
     authors = [ "The Servo Project Developers" ];
     sha256 = "19s0d03294m9s5j8cvy345db3gkhs2y02j5268ap0c6ky5apl53s";
     build = "build.rs";
@@ -515,6 +534,7 @@ rec {
   crates.either."1.5.0" = deps: { features?(features_.either."1.5.0" deps {}) }: buildRustCrate {
     crateName = "either";
     version = "1.5.0";
+    description = "The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.\n";
     authors = [ "bluss" ];
     sha256 = "1f7kl2ln01y02m8fpd2zrdjiwqmgfvl9nxxrfry3k19d1gd2bsvz";
     dependencies = mapFeatures features ([
@@ -523,11 +543,11 @@ rec {
   };
   features_.either."1.5.0" = deps: f: updateFeatures f (rec {
     either = fold recursiveUpdate {} [
-      { "1.5.0".default = (f.either."1.5.0".default or true); }
-      { "1.5.0".use_std =
-        (f.either."1.5.0".use_std or false) ||
+      { "1.5.0"."use_std" =
+        (f.either."1.5.0"."use_std" or false) ||
         (f.either."1.5.0".default or false) ||
         (either."1.5.0"."default" or false); }
+      { "1.5.0".default = (f.either."1.5.0".default or true); }
     ];
   }) [];
 
@@ -538,6 +558,7 @@ rec {
   crates.enum_primitive."0.1.1" = deps: { features?(features_.enum_primitive."0.1.1" deps {}) }: buildRustCrate {
     crateName = "enum_primitive";
     version = "0.1.1";
+    description = "Macro to generate num::FromPrimitive instances for enum that works in Rust 1.0";
     authors = [ "Anders Kaseorg <andersk@mit.edu>" ];
     sha256 = "1a225rlsz7sz3nn14dar71kp2f9v08s3rwl6j55xp51mv01f695y";
     dependencies = mapFeatures features ([
@@ -558,6 +579,7 @@ rec {
   crates.env_logger."0.3.5" = deps: { features?(features_.env_logger."0.3.5" deps {}) }: buildRustCrate {
     crateName = "env_logger";
     version = "0.3.5";
+    description = "An logging implementation for `log` which is configured via an environment\nvariable.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1mvxiaaqsyjliv1mm1qaagjqiccw11mdyi3n9h9rf8y6wj15zycw";
     dependencies = mapFeatures features ([
@@ -568,11 +590,11 @@ rec {
   };
   features_.env_logger."0.3.5" = deps: f: updateFeatures f (rec {
     env_logger = fold recursiveUpdate {} [
-      { "0.3.5".default = (f.env_logger."0.3.5".default or true); }
-      { "0.3.5".regex =
-        (f.env_logger."0.3.5".regex or false) ||
+      { "0.3.5"."regex" =
+        (f.env_logger."0.3.5"."regex" or false) ||
         (f.env_logger."0.3.5".default or false) ||
         (env_logger."0.3.5"."default" or false); }
+      { "0.3.5".default = (f.env_logger."0.3.5".default or true); }
     ];
     log."${deps.env_logger."0.3.5".log}".default = true;
     regex."${deps.env_logger."0.3.5".regex}".default = true;
@@ -588,6 +610,7 @@ rec {
   crates.env_logger."0.4.3" = deps: { features?(features_.env_logger."0.4.3" deps {}) }: buildRustCrate {
     crateName = "env_logger";
     version = "0.4.3";
+    description = "A logging implementation for `log` which is configured via an environment\nvariable.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "0nrx04p4xa86d5kc7aq4fwvipbqji9cmgy449h47nc9f1chafhgg";
     dependencies = mapFeatures features ([
@@ -598,11 +621,11 @@ rec {
   };
   features_.env_logger."0.4.3" = deps: f: updateFeatures f (rec {
     env_logger = fold recursiveUpdate {} [
-      { "0.4.3".default = (f.env_logger."0.4.3".default or true); }
-      { "0.4.3".regex =
-        (f.env_logger."0.4.3".regex or false) ||
+      { "0.4.3"."regex" =
+        (f.env_logger."0.4.3"."regex" or false) ||
         (f.env_logger."0.4.3".default or false) ||
         (env_logger."0.4.3"."default" or false); }
+      { "0.4.3".default = (f.env_logger."0.4.3".default or true); }
     ];
     log."${deps.env_logger."0.4.3".log}".default = true;
     regex."${deps.env_logger."0.4.3".regex}".default = true;
@@ -618,6 +641,7 @@ rec {
   crates.error_chain."0.10.0" = deps: { features?(features_.error_chain."0.10.0" deps {}) }: buildRustCrate {
     crateName = "error-chain";
     version = "0.10.0";
+    description = "Yet another error boilerplate library.";
     authors = [ "Brian Anderson <banderson@mozilla.com>" "Paul Colomiets <paul@colomiets.name>" "Colin Kiegel <kiegel@gmx.de>" "Yamakaky <yamakaky@yamaworld.fr>" ];
     sha256 = "1xxbzd8cjlpzsb9fsih7mdnndhzrvykj0w77yg90qc85az1xwy5z";
     dependencies = mapFeatures features ([
@@ -628,15 +652,15 @@ rec {
   features_.error_chain."0.10.0" = deps: f: updateFeatures f (rec {
     backtrace."${deps.error_chain."0.10.0".backtrace}".default = true;
     error_chain = fold recursiveUpdate {} [
-      { "0.10.0".backtrace =
-        (f.error_chain."0.10.0".backtrace or false) ||
+      { "0.10.0"."backtrace" =
+        (f.error_chain."0.10.0"."backtrace" or false) ||
+        (f.error_chain."0.10.0".default or false) ||
+        (error_chain."0.10.0"."default" or false); }
+      { "0.10.0"."example_generated" =
+        (f.error_chain."0.10.0"."example_generated" or false) ||
         (f.error_chain."0.10.0".default or false) ||
         (error_chain."0.10.0"."default" or false); }
       { "0.10.0".default = (f.error_chain."0.10.0".default or true); }
-      { "0.10.0".example_generated =
-        (f.error_chain."0.10.0".example_generated or false) ||
-        (f.error_chain."0.10.0".default or false) ||
-        (error_chain."0.10.0"."default" or false); }
     ];
   }) [
     (features_.backtrace."${deps."error_chain"."0.10.0"."backtrace"}" deps)
@@ -649,6 +673,7 @@ rec {
   crates.foreign_types."0.3.2" = deps: { features?(features_.foreign_types."0.3.2" deps {}) }: buildRustCrate {
     crateName = "foreign-types";
     version = "0.3.2";
+    description = "A framework for Rust wrappers over C APIs";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "105n8sp2djb1s5lzrw04p7ss3dchr5qa3canmynx396nh3vwm2p8";
     dependencies = mapFeatures features ([
@@ -669,6 +694,7 @@ rec {
   crates.foreign_types_shared."0.1.1" = deps: { features?(features_.foreign_types_shared."0.1.1" deps {}) }: buildRustCrate {
     crateName = "foreign-types-shared";
     version = "0.1.1";
+    description = "An internal crate used by foreign-types";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "0b6cnvqbflws8dxywk4589vgbz80049lz4x1g9dfy4s1ppd3g4z5";
   };
@@ -683,6 +709,7 @@ rec {
   crates.frank_jwt."3.1.0" = deps: { features?(features_.frank_jwt."3.1.0" deps {}) }: buildRustCrate {
     crateName = "frank_jwt";
     version = "3.1.0";
+    description = "Implementation of JSON JWT";
     authors = [ "Alex Maslakov <me@gildedhonour.com>, <abc@nothingness.xyz>" ];
     sha256 = "1kqi6wcsk96chf1p4qfnbkmvpdb91wi0v53k5mp7wvdmaqwgj6zl";
     dependencies = mapFeatures features ([
@@ -712,6 +739,7 @@ rec {
   crates.fs2."0.4.3" = deps: { features?(features_.fs2."0.4.3" deps {}) }: buildRustCrate {
     crateName = "fs2";
     version = "0.4.3";
+    description = "Cross-platform file locks and file duplication.";
     authors = [ "Dan Burkert <dan@danburkert.com>" ];
     sha256 = "1crj36rhhpk3qby9yj7r77w7sld0mzab2yicmphbdkfymbmp3ldp";
     dependencies = (if (kernel == "linux" || kernel == "darwin") then mapFeatures features ([
@@ -745,6 +773,7 @@ rec {
   crates.fuchsia_zircon."0.3.3" = deps: { features?(features_.fuchsia_zircon."0.3.3" deps {}) }: buildRustCrate {
     crateName = "fuchsia-zircon";
     version = "0.3.3";
+    description = "Rust bindings for the Zircon kernel";
     authors = [ "Raph Levien <raph@google.com>" ];
     sha256 = "0jrf4shb1699r4la8z358vri8318w4mdi6qzfqy30p2ymjlca4gk";
     dependencies = mapFeatures features ([
@@ -768,6 +797,7 @@ rec {
   crates.fuchsia_zircon_sys."0.3.3" = deps: { features?(features_.fuchsia_zircon_sys."0.3.3" deps {}) }: buildRustCrate {
     crateName = "fuchsia-zircon-sys";
     version = "0.3.3";
+    description = "Low-level Rust bindings for the Zircon kernel";
     authors = [ "Raph Levien <raph@google.com>" ];
     sha256 = "08jp1zxrm9jbrr6l26bjal4dbm8bxfy57ickdgibsqxr1n9j3hf5";
   };
@@ -782,6 +812,7 @@ rec {
   crates.httparse."1.3.3" = deps: { features?(features_.httparse."1.3.3" deps {}) }: buildRustCrate {
     crateName = "httparse";
     version = "1.3.3";
+    description = "A tiny, safe, speedy, zero-copy HTTP/1.x parser.";
     authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
     sha256 = "1jymxy4bl0mzgp2dx0pzqzbr72sw5jmr5sjqiry4xr88z4z9qlyx";
     build = "build.rs";
@@ -789,11 +820,11 @@ rec {
   };
   features_.httparse."1.3.3" = deps: f: updateFeatures f (rec {
     httparse = fold recursiveUpdate {} [
-      { "1.3.3".default = (f.httparse."1.3.3".default or true); }
-      { "1.3.3".std =
-        (f.httparse."1.3.3".std or false) ||
+      { "1.3.3"."std" =
+        (f.httparse."1.3.3"."std" or false) ||
         (f.httparse."1.3.3".default or false) ||
         (httparse."1.3.3"."default" or false); }
+      { "1.3.3".default = (f.httparse."1.3.3".default or true); }
     ];
   }) [];
 
@@ -804,6 +835,7 @@ rec {
   crates.hyper."0.10.15" = deps: { features?(features_.hyper."0.10.15" deps {}) }: buildRustCrate {
     crateName = "hyper";
     version = "0.10.15";
+    description = "A modern HTTP library.";
     authors = [ "Sean McArthur <sean.monstar@gmail.com>" "Jonathan Reem <jonathan.reem@gmail.com>" ];
     sha256 = "14bf31dwwfvza3kfc4mmk4q0v7iq5ys3hiz7islij1x9g4c53s9p";
     dependencies = mapFeatures features ([
@@ -855,6 +887,7 @@ rec {
   crates.hyper_native_tls."0.2.4" = deps: { features?(features_.hyper_native_tls."0.2.4" deps {}) }: buildRustCrate {
     crateName = "hyper-native-tls";
     version = "0.2.4";
+    description = "native-tls support for Hyper";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "1niqi1z1a3xfb9qaawy3fzrgaf8qwr925fqjswlrdjczq176f1iy";
     dependencies = mapFeatures features ([
@@ -881,6 +914,7 @@ rec {
   crates.idna."0.1.5" = deps: { features?(features_.idna."0.1.5" deps {}) }: buildRustCrate {
     crateName = "idna";
     version = "0.1.5";
+    description = "IDNA (Internationalizing Domain Names in Applications) and Punycode.";
     authors = [ "The rust-url developers" ];
     sha256 = "1gwgl19rz5vzi67rrhamczhxy050f5ynx4ybabfapyalv7z1qmjy";
     dependencies = mapFeatures features ([
@@ -907,17 +941,18 @@ rec {
   crates.itoa."0.4.3" = deps: { features?(features_.itoa."0.4.3" deps {}) }: buildRustCrate {
     crateName = "itoa";
     version = "0.4.3";
+    description = "Fast functions for printing integer primitives to an io::Write";
     authors = [ "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "0zadimmdgvili3gdwxqg7ljv3r4wcdg1kkdfp9nl15vnm23vrhy1";
     features = mkFeatures (features."itoa"."0.4.3" or {});
   };
   features_.itoa."0.4.3" = deps: f: updateFeatures f (rec {
     itoa = fold recursiveUpdate {} [
-      { "0.4.3".default = (f.itoa."0.4.3".default or true); }
-      { "0.4.3".std =
-        (f.itoa."0.4.3".std or false) ||
+      { "0.4.3"."std" =
+        (f.itoa."0.4.3"."std" or false) ||
         (f.itoa."0.4.3".default or false) ||
         (itoa."0.4.3"."default" or false); }
+      { "0.4.3".default = (f.itoa."0.4.3".default or true); }
     ];
   }) [];
 
@@ -928,6 +963,7 @@ rec {
   crates.kernel32_sys."0.2.2" = deps: { features?(features_.kernel32_sys."0.2.2" deps {}) }: buildRustCrate {
     crateName = "kernel32-sys";
     version = "0.2.2";
+    description = "Contains function definitions for the Windows API library kernel32. See winapi for types and constants.";
     authors = [ "Peter Atashian <retep998@gmail.com>" ];
     sha256 = "1lrw1hbinyvr6cp28g60z97w32w8vsk6pahk64pmrv2fmby8srfj";
     libName = "kernel32";
@@ -956,6 +992,7 @@ rec {
   crates.language_tags."0.2.2" = deps: { features?(features_.language_tags."0.2.2" deps {}) }: buildRustCrate {
     crateName = "language-tags";
     version = "0.2.2";
+    description = "Language tags for Rust";
     authors = [ "Pyfisch <pyfisch@gmail.com>" ];
     sha256 = "1zkrdzsqzzc7509kd7nngdwrp461glm2g09kqpzaqksp82frjdvy";
     dependencies = mapFeatures features ([
@@ -964,15 +1001,15 @@ rec {
   };
   features_.language_tags."0.2.2" = deps: f: updateFeatures f (rec {
     language_tags = fold recursiveUpdate {} [
+      { "0.2.2"."heapsize" =
+        (f.language_tags."0.2.2"."heapsize" or false) ||
+        (f.language_tags."0.2.2".heap_size or false) ||
+        (language_tags."0.2.2"."heap_size" or false); }
+      { "0.2.2"."heapsize_plugin" =
+        (f.language_tags."0.2.2"."heapsize_plugin" or false) ||
+        (f.language_tags."0.2.2".heap_size or false) ||
+        (language_tags."0.2.2"."heap_size" or false); }
       { "0.2.2".default = (f.language_tags."0.2.2".default or true); }
-      { "0.2.2".heapsize =
-        (f.language_tags."0.2.2".heapsize or false) ||
-        (f.language_tags."0.2.2".heap_size or false) ||
-        (language_tags."0.2.2"."heap_size" or false); }
-      { "0.2.2".heapsize_plugin =
-        (f.language_tags."0.2.2".heapsize_plugin or false) ||
-        (f.language_tags."0.2.2".heap_size or false) ||
-        (language_tags."0.2.2"."heap_size" or false); }
     ];
   }) [];
 
@@ -983,6 +1020,7 @@ rec {
   crates.lazy_static."0.2.11" = deps: { features?(features_.lazy_static."0.2.11" deps {}) }: buildRustCrate {
     crateName = "lazy_static";
     version = "0.2.11";
+    description = "A macro for declaring lazily evaluated statics in Rust.";
     authors = [ "Marvin Löbel <loebel.marvin@gmail.com>" ];
     sha256 = "1x6871cvpy5b96yv4c7jvpq316fp5d4609s9py7qk6cd6x9k34vm";
     dependencies = mapFeatures features ([
@@ -991,19 +1029,19 @@ rec {
   };
   features_.lazy_static."0.2.11" = deps: f: updateFeatures f (rec {
     lazy_static = fold recursiveUpdate {} [
-      { "0.2.11".compiletest_rs =
-        (f.lazy_static."0.2.11".compiletest_rs or false) ||
+      { "0.2.11"."compiletest_rs" =
+        (f.lazy_static."0.2.11"."compiletest_rs" or false) ||
         (f.lazy_static."0.2.11".compiletest or false) ||
         (lazy_static."0.2.11"."compiletest" or false); }
+      { "0.2.11"."nightly" =
+        (f.lazy_static."0.2.11"."nightly" or false) ||
+        (f.lazy_static."0.2.11".spin_no_std or false) ||
+        (lazy_static."0.2.11"."spin_no_std" or false); }
+      { "0.2.11"."spin" =
+        (f.lazy_static."0.2.11"."spin" or false) ||
+        (f.lazy_static."0.2.11".spin_no_std or false) ||
+        (lazy_static."0.2.11"."spin_no_std" or false); }
       { "0.2.11".default = (f.lazy_static."0.2.11".default or true); }
-      { "0.2.11".nightly =
-        (f.lazy_static."0.2.11".nightly or false) ||
-        (f.lazy_static."0.2.11".spin_no_std or false) ||
-        (lazy_static."0.2.11"."spin_no_std" or false); }
-      { "0.2.11".spin =
-        (f.lazy_static."0.2.11".spin or false) ||
-        (f.lazy_static."0.2.11".spin_no_std or false) ||
-        (lazy_static."0.2.11"."spin_no_std" or false); }
     ];
   }) [];
 
@@ -1014,6 +1052,7 @@ rec {
   crates.lazy_static."1.2.0" = deps: { features?(features_.lazy_static."1.2.0" deps {}) }: buildRustCrate {
     crateName = "lazy_static";
     version = "1.2.0";
+    description = "A macro for declaring lazily evaluated statics in Rust.";
     authors = [ "Marvin Löbel <loebel.marvin@gmail.com>" ];
     sha256 = "07p3b30k2akyr6xw08ggd5qiz5nw3vd3agggj360fcc1njz7d0ss";
     dependencies = mapFeatures features ([
@@ -1022,11 +1061,11 @@ rec {
   };
   features_.lazy_static."1.2.0" = deps: f: updateFeatures f (rec {
     lazy_static = fold recursiveUpdate {} [
-      { "1.2.0".default = (f.lazy_static."1.2.0".default or true); }
-      { "1.2.0".spin =
-        (f.lazy_static."1.2.0".spin or false) ||
+      { "1.2.0"."spin" =
+        (f.lazy_static."1.2.0"."spin" or false) ||
         (f.lazy_static."1.2.0".spin_no_std or false) ||
         (lazy_static."1.2.0"."spin_no_std" or false); }
+      { "1.2.0".default = (f.lazy_static."1.2.0".default or true); }
     ];
   }) [];
 
@@ -1037,6 +1076,7 @@ rec {
   crates.libc."0.2.46" = deps: { features?(features_.libc."0.2.46" deps {}) }: buildRustCrate {
     crateName = "libc";
     version = "0.2.46";
+    description = "Raw FFI bindings to platform libraries like libc.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "03zvz98an2j1srhlzgbh7w2l0mj1sybsg0hc2gn0s31xjw39g74k";
     build = "build.rs";
@@ -1046,19 +1086,19 @@ rec {
   };
   features_.libc."0.2.46" = deps: f: updateFeatures f (rec {
     libc = fold recursiveUpdate {} [
-      { "0.2.46".align =
-        (f.libc."0.2.46".align or false) ||
+      { "0.2.46"."align" =
+        (f.libc."0.2.46"."align" or false) ||
         (f.libc."0.2.46".rustc-dep-of-std or false) ||
         (libc."0.2.46"."rustc-dep-of-std" or false); }
-      { "0.2.46".default = (f.libc."0.2.46".default or true); }
-      { "0.2.46".rustc-std-workspace-core =
-        (f.libc."0.2.46".rustc-std-workspace-core or false) ||
+      { "0.2.46"."rustc-std-workspace-core" =
+        (f.libc."0.2.46"."rustc-std-workspace-core" or false) ||
         (f.libc."0.2.46".rustc-dep-of-std or false) ||
         (libc."0.2.46"."rustc-dep-of-std" or false); }
-      { "0.2.46".use_std =
-        (f.libc."0.2.46".use_std or false) ||
+      { "0.2.46"."use_std" =
+        (f.libc."0.2.46"."use_std" or false) ||
         (f.libc."0.2.46".default or false) ||
         (libc."0.2.46"."default" or false); }
+      { "0.2.46".default = (f.libc."0.2.46".default or true); }
     ];
   }) [];
 
@@ -1069,6 +1109,7 @@ rec {
   crates.linked_hash_map."0.4.2" = deps: { features?(features_.linked_hash_map."0.4.2" deps {}) }: buildRustCrate {
     crateName = "linked-hash-map";
     version = "0.4.2";
+    description = "A HashMap wrapper that holds key-value pairs in insertion order";
     authors = [ "Stepan Koltsov <stepan.koltsov@gmail.com>" "Andrew Paseltiner <apaseltiner@gmail.com>" ];
     sha256 = "04da208h6jb69f46j37jnvsw2i1wqplglp4d61csqcrhh83avbgl";
     dependencies = mapFeatures features ([
@@ -1077,19 +1118,19 @@ rec {
   };
   features_.linked_hash_map."0.4.2" = deps: f: updateFeatures f (rec {
     linked_hash_map = fold recursiveUpdate {} [
-      { "0.4.2".default = (f.linked_hash_map."0.4.2".default or true); }
-      { "0.4.2".heapsize =
-        (f.linked_hash_map."0.4.2".heapsize or false) ||
+      { "0.4.2"."heapsize" =
+        (f.linked_hash_map."0.4.2"."heapsize" or false) ||
         (f.linked_hash_map."0.4.2".heapsize_impl or false) ||
         (linked_hash_map."0.4.2"."heapsize_impl" or false); }
-      { "0.4.2".serde =
-        (f.linked_hash_map."0.4.2".serde or false) ||
+      { "0.4.2"."serde" =
+        (f.linked_hash_map."0.4.2"."serde" or false) ||
         (f.linked_hash_map."0.4.2".serde_impl or false) ||
         (linked_hash_map."0.4.2"."serde_impl" or false); }
-      { "0.4.2".serde_test =
-        (f.linked_hash_map."0.4.2".serde_test or false) ||
+      { "0.4.2"."serde_test" =
+        (f.linked_hash_map."0.4.2"."serde_test" or false) ||
         (f.linked_hash_map."0.4.2".serde_impl or false) ||
         (linked_hash_map."0.4.2"."serde_impl" or false); }
+      { "0.4.2".default = (f.linked_hash_map."0.4.2".default or true); }
     ];
   }) [];
 
@@ -1100,17 +1141,18 @@ rec {
   crates.log."0.3.8" = deps: { features?(features_.log."0.3.8" deps {}) }: buildRustCrate {
     crateName = "log";
     version = "0.3.8";
+    description = "A lightweight logging facade for Rust\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1c43z4z85sxrsgir4s1hi84558ab5ic7jrn5qgmsiqcv90vvn006";
     features = mkFeatures (features."log"."0.3.8" or {});
   };
   features_.log."0.3.8" = deps: f: updateFeatures f (rec {
     log = fold recursiveUpdate {} [
-      { "0.3.8".default = (f.log."0.3.8".default or true); }
-      { "0.3.8".use_std =
-        (f.log."0.3.8".use_std or false) ||
+      { "0.3.8"."use_std" =
+        (f.log."0.3.8"."use_std" or false) ||
         (f.log."0.3.8".default or false) ||
         (log."0.3.8"."default" or false); }
+      { "0.3.8".default = (f.log."0.3.8".default or true); }
     ];
   }) [];
 
@@ -1121,6 +1163,7 @@ rec {
   crates.lru_cache."0.1.1" = deps: { features?(features_.lru_cache."0.1.1" deps {}) }: buildRustCrate {
     crateName = "lru-cache";
     version = "0.1.1";
+    description = "A cache that holds a limited number of key-value pairs";
     authors = [ "Stepan Koltsov <stepan.koltsov@gmail.com>" ];
     sha256 = "1hl6kii1g54sq649gnscv858mmw7a02xj081l4vcgvrswdi2z8fw";
     dependencies = mapFeatures features ([
@@ -1137,11 +1180,11 @@ rec {
       { "${deps.lru_cache."0.1.1".linked_hash_map}".default = true; }
     ];
     lru_cache = fold recursiveUpdate {} [
-      { "0.1.1".default = (f.lru_cache."0.1.1".default or true); }
-      { "0.1.1".heapsize =
-        (f.lru_cache."0.1.1".heapsize or false) ||
+      { "0.1.1"."heapsize" =
+        (f.lru_cache."0.1.1"."heapsize" or false) ||
         (f.lru_cache."0.1.1".heapsize_impl or false) ||
         (lru_cache."0.1.1"."heapsize_impl" or false); }
+      { "0.1.1".default = (f.lru_cache."0.1.1".default or true); }
     ];
   }) [
     (features_.linked_hash_map."${deps."lru_cache"."0.1.1"."linked_hash_map"}" deps)
@@ -1154,6 +1197,7 @@ rec {
   crates.matches."0.1.8" = deps: { features?(features_.matches."0.1.8" deps {}) }: buildRustCrate {
     crateName = "matches";
     version = "0.1.8";
+    description = "A macro to evaluate, as a boolean, whether an expression matches a pattern.";
     authors = [ "Simon Sapin <simon.sapin@exyr.org>" ];
     sha256 = "03hl636fg6xggy0a26200xs74amk3k9n0908rga2szn68agyz3cv";
     libPath = "lib.rs";
@@ -1169,6 +1213,7 @@ rec {
   crates.md5."0.3.8" = deps: { features?(features_.md5."0.3.8" deps {}) }: buildRustCrate {
     crateName = "md5";
     version = "0.3.8";
+    description = "The package provides the MD5 hash function.";
     authors = [ "Ivan Ukhov <ivan.ukhov@gmail.com>" "Kamal Ahmad <shibe@openmailbox.org>" "Konstantin Stepanov <milezv@gmail.com>" "Lukas Kalbertodt <lukas.kalbertodt@gmail.com>" "Nathan Musoke <nathan.musoke@gmail.com>" "Tony Arcieri <bascule@gmail.com>" "Wim de With <register@dewith.io>" ];
     sha256 = "0ciydcf5y3zmygzschhg4f242p9rf1d75jfj0hay4xjj29l319yd";
   };
@@ -1183,6 +1228,7 @@ rec {
   crates.memchr."0.1.11" = deps: { features?(features_.memchr."0.1.11" deps {}) }: buildRustCrate {
     crateName = "memchr";
     version = "0.1.11";
+    description = "Safe interface to memchr.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" "bluss" ];
     sha256 = "0x73jghamvxxq5fsw9wb0shk5m6qp3q6fsf0nibn0i6bbqkw91s8";
     dependencies = mapFeatures features ([
@@ -1203,6 +1249,7 @@ rec {
   crates.memchr."2.1.2" = deps: { features?(features_.memchr."2.1.2" deps {}) }: buildRustCrate {
     crateName = "memchr";
     version = "2.1.2";
+    description = "Safe interface to memchr.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" "bluss" ];
     sha256 = "0vdwvcmn1j65qslsxlk7fjhm53nicd5cg5hvdmbg6kybyf1lnkv1";
     dependencies = mapFeatures features ([
@@ -1225,17 +1272,17 @@ rec {
       { "${deps.memchr."2.1.2".libc}".default = (f.libc."${deps.memchr."2.1.2".libc}".default or false); }
     ];
     memchr = fold recursiveUpdate {} [
-      { "2.1.2".default = (f.memchr."2.1.2".default or true); }
-      { "2.1.2".libc =
-        (f.memchr."2.1.2".libc or false) ||
+      { "2.1.2"."libc" =
+        (f.memchr."2.1.2"."libc" or false) ||
         (f.memchr."2.1.2".default or false) ||
         (memchr."2.1.2"."default" or false) ||
         (f.memchr."2.1.2".use_std or false) ||
         (memchr."2.1.2"."use_std" or false); }
-      { "2.1.2".use_std =
-        (f.memchr."2.1.2".use_std or false) ||
+      { "2.1.2"."use_std" =
+        (f.memchr."2.1.2"."use_std" or false) ||
         (f.memchr."2.1.2".default or false) ||
         (memchr."2.1.2"."default" or false); }
+      { "2.1.2".default = (f.memchr."2.1.2".default or true); }
     ];
     version_check."${deps.memchr."2.1.2".version_check}".default = true;
   }) [
@@ -1251,6 +1298,7 @@ rec {
   crates.mime."0.2.6" = deps: { features?(features_.mime."0.2.6" deps {}) }: buildRustCrate {
     crateName = "mime";
     version = "0.2.6";
+    description = "Strongly Typed Mimes";
     authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
     sha256 = "1skwwa0j3kqd8rm9387zgabjhp07zj99q71nzlhba4lrz9r911b3";
     dependencies = mapFeatures features ([
@@ -1261,11 +1309,11 @@ rec {
   features_.mime."0.2.6" = deps: f: updateFeatures f (rec {
     log."${deps.mime."0.2.6".log}".default = true;
     mime = fold recursiveUpdate {} [
-      { "0.2.6".default = (f.mime."0.2.6".default or true); }
-      { "0.2.6".heapsize =
-        (f.mime."0.2.6".heapsize or false) ||
+      { "0.2.6"."heapsize" =
+        (f.mime."0.2.6"."heapsize" or false) ||
         (f.mime."0.2.6".heap_size or false) ||
         (mime."0.2.6"."heap_size" or false); }
+      { "0.2.6".default = (f.mime."0.2.6".default or true); }
     ];
   }) [
     (features_.log."${deps."mime"."0.2.6"."log"}" deps)
@@ -1278,6 +1326,7 @@ rec {
   crates.native_tls."0.1.5" = deps: { features?(features_.native_tls."0.1.5" deps {}) }: buildRustCrate {
     crateName = "native-tls";
     version = "0.1.5";
+    description = "A wrapper over a platform's native TLS implementation";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "11f75qmbny5pnn6zp0vlvadrvc9ph9qsxiyn4n6q02xyd93pxxlf";
     dependencies = mapFeatures features ([
@@ -1325,6 +1374,7 @@ rec {
   crates.nom."4.1.1" = deps: { features?(features_.nom."4.1.1" deps {}) }: buildRustCrate {
     crateName = "nom";
     version = "4.1.1";
+    description = "A byte-oriented, zero-copy, parser combinators library";
     authors = [ "contact@geoffroycouprie.com" ];
     sha256 = "12xd401ac6q0nf1hdd8zfx2i6ihfraa3kr1acfy3g7qz94b99635";
     dependencies = mapFeatures features ([
@@ -1341,29 +1391,29 @@ rec {
       { "${deps.nom."4.1.1".memchr}".default = (f.memchr."${deps.nom."4.1.1".memchr}".default or false); }
     ];
     nom = fold recursiveUpdate {} [
-      { "4.1.1".alloc =
-        (f.nom."4.1.1".alloc or false) ||
+      { "4.1.1"."alloc" =
+        (f.nom."4.1.1"."alloc" or false) ||
         (f.nom."4.1.1".std or false) ||
         (nom."4.1.1"."std" or false) ||
         (f.nom."4.1.1".verbose-errors or false) ||
         (nom."4.1.1"."verbose-errors" or false); }
-      { "4.1.1".default = (f.nom."4.1.1".default or true); }
-      { "4.1.1".lazy_static =
-        (f.nom."4.1.1".lazy_static or false) ||
+      { "4.1.1"."lazy_static" =
+        (f.nom."4.1.1"."lazy_static" or false) ||
         (f.nom."4.1.1".regexp_macros or false) ||
         (nom."4.1.1"."regexp_macros" or false); }
-      { "4.1.1".regex =
-        (f.nom."4.1.1".regex or false) ||
+      { "4.1.1"."regex" =
+        (f.nom."4.1.1"."regex" or false) ||
         (f.nom."4.1.1".regexp or false) ||
         (nom."4.1.1"."regexp" or false); }
-      { "4.1.1".regexp =
-        (f.nom."4.1.1".regexp or false) ||
+      { "4.1.1"."regexp" =
+        (f.nom."4.1.1"."regexp" or false) ||
         (f.nom."4.1.1".regexp_macros or false) ||
         (nom."4.1.1"."regexp_macros" or false); }
-      { "4.1.1".std =
-        (f.nom."4.1.1".std or false) ||
+      { "4.1.1"."std" =
+        (f.nom."4.1.1"."std" or false) ||
         (f.nom."4.1.1".default or false) ||
         (nom."4.1.1"."default" or false); }
+      { "4.1.1".default = (f.nom."4.1.1".default or true); }
     ];
   }) [
     (features_.memchr."${deps."nom"."4.1.1"."memchr"}" deps)
@@ -1376,6 +1426,7 @@ rec {
   crates.num_integer."0.1.39" = deps: { features?(features_.num_integer."0.1.39" deps {}) }: buildRustCrate {
     crateName = "num-integer";
     version = "0.1.39";
+    description = "Integer traits and functions";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1f42ls46cghs13qfzgbd7syib2zc6m7hlmv1qlar6c9mdxapvvbg";
     build = "build.rs";
@@ -1386,11 +1437,11 @@ rec {
   };
   features_.num_integer."0.1.39" = deps: f: updateFeatures f (rec {
     num_integer = fold recursiveUpdate {} [
-      { "0.1.39".default = (f.num_integer."0.1.39".default or true); }
-      { "0.1.39".std =
-        (f.num_integer."0.1.39".std or false) ||
+      { "0.1.39"."std" =
+        (f.num_integer."0.1.39"."std" or false) ||
         (f.num_integer."0.1.39".default or false) ||
         (num_integer."0.1.39"."default" or false); }
+      { "0.1.39".default = (f.num_integer."0.1.39".default or true); }
     ];
     num_traits = fold recursiveUpdate {} [
       { "${deps.num_integer."0.1.39".num_traits}"."i128" =
@@ -1414,6 +1465,7 @@ rec {
   crates.num_traits."0.1.43" = deps: { features?(features_.num_traits."0.1.43" deps {}) }: buildRustCrate {
     crateName = "num-traits";
     version = "0.1.43";
+    description = "Numeric traits for generic mathematics";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1zdzx78vrcg3f39w94pqjs1mwxl1phyv7843hwgwkzggwcxhhf6s";
     dependencies = mapFeatures features ([
@@ -1436,6 +1488,7 @@ rec {
   crates.num_traits."0.2.6" = deps: { features?(features_.num_traits."0.2.6" deps {}) }: buildRustCrate {
     crateName = "num-traits";
     version = "0.2.6";
+    description = "Numeric traits for generic mathematics";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1d20sil9n0wgznd1nycm3yjfj1mzyl41ambb7by1apxlyiil1azk";
     build = "build.rs";
@@ -1443,11 +1496,11 @@ rec {
   };
   features_.num_traits."0.2.6" = deps: f: updateFeatures f (rec {
     num_traits = fold recursiveUpdate {} [
-      { "0.2.6".default = (f.num_traits."0.2.6".default or true); }
-      { "0.2.6".std =
-        (f.num_traits."0.2.6".std or false) ||
+      { "0.2.6"."std" =
+        (f.num_traits."0.2.6"."std" or false) ||
         (f.num_traits."0.2.6".default or false) ||
         (num_traits."0.2.6"."default" or false); }
+      { "0.2.6".default = (f.num_traits."0.2.6".default or true); }
     ];
   }) [];
 
@@ -1458,6 +1511,7 @@ rec {
   crates.num_cpus."1.9.0" = deps: { features?(features_.num_cpus."1.9.0" deps {}) }: buildRustCrate {
     crateName = "num_cpus";
     version = "1.9.0";
+    description = "Get the number of CPUs on a machine.";
     authors = [ "Sean McArthur <sean@seanmonstar.com>" ];
     sha256 = "0lv81a9sapkprfsi03rag1mygm9qxhdw2qscdvvx2yb62pc54pvi";
     dependencies = mapFeatures features ([
@@ -1478,6 +1532,7 @@ rec {
   crates.openssl."0.9.24" = deps: { features?(features_.openssl."0.9.24" deps {}) }: buildRustCrate {
     crateName = "openssl";
     version = "0.9.24";
+    description = "OpenSSL bindings";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "0wzm3c11g3ndaqyzq36mcdcm1q4a8pmsyi33ibybhjz28g2z0f79";
     build = "build.rs";
@@ -1512,6 +1567,7 @@ rec {
   crates.openssl."0.10.16" = deps: { features?(features_.openssl."0.10.16" deps {}) }: buildRustCrate {
     crateName = "openssl";
     version = "0.10.16";
+    description = "OpenSSL bindings";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "17mi6p323rqkydfwykiba3b1a24j7jv7bmr7j5wai4c32i2khqsm";
     dependencies = mapFeatures features ([
@@ -1554,6 +1610,7 @@ rec {
   crates.openssl_sys."0.9.40" = deps: { features?(features_.openssl_sys."0.9.40" deps {}) }: buildRustCrate {
     crateName = "openssl-sys";
     version = "0.9.40";
+    description = "FFI bindings to OpenSSL";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "11dqyk9g2wdwwj21zma71w5hd5d4sw3hm4pnpk8jjh0wjpkgjdvq";
     build = "build/main.rs";
@@ -1573,11 +1630,11 @@ rec {
     cc."${deps.openssl_sys."0.9.40".cc}".default = true;
     libc."${deps.openssl_sys."0.9.40".libc}".default = true;
     openssl_sys = fold recursiveUpdate {} [
-      { "0.9.40".default = (f.openssl_sys."0.9.40".default or true); }
-      { "0.9.40".openssl-src =
-        (f.openssl_sys."0.9.40".openssl-src or false) ||
+      { "0.9.40"."openssl-src" =
+        (f.openssl_sys."0.9.40"."openssl-src" or false) ||
         (f.openssl_sys."0.9.40".vendored or false) ||
         (openssl_sys."0.9.40"."vendored" or false); }
+      { "0.9.40".default = (f.openssl_sys."0.9.40".default or true); }
     ];
     pkg_config."${deps.openssl_sys."0.9.40".pkg_config}".default = true;
   }) [
@@ -1593,6 +1650,7 @@ rec {
   crates.percent_encoding."1.0.1" = deps: { features?(features_.percent_encoding."1.0.1" deps {}) }: buildRustCrate {
     crateName = "percent-encoding";
     version = "1.0.1";
+    description = "Percent encoding and decoding";
     authors = [ "The rust-url developers" ];
     sha256 = "04ahrp7aw4ip7fmadb0bknybmkfav0kk0gw4ps3ydq5w6hr0ib5i";
     libPath = "lib.rs";
@@ -1608,6 +1666,7 @@ rec {
   crates.pkg_config."0.3.14" = deps: { features?(features_.pkg_config."0.3.14" deps {}) }: buildRustCrate {
     crateName = "pkg-config";
     version = "0.3.14";
+    description = "A library to run the pkg-config system tool at build time in order to be used in\nCargo build scripts.\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
     sha256 = "0207fsarrm412j0dh87lfcas72n8mxar7q3mgflsbsrqnb140sv6";
   };
@@ -1622,6 +1681,7 @@ rec {
   crates.proc_macro2."0.4.24" = deps: { features?(features_.proc_macro2."0.4.24" deps {}) }: buildRustCrate {
     crateName = "proc-macro2";
     version = "0.4.24";
+    description = "A stable implementation of the upcoming new `proc_macro` API. Comes with an\noption, off by default, to also reimplement itself in terms of the upstream\nunstable API.\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
     sha256 = "0ra2z9j3h0bbfq40p8mfwf28shnbxqryb45pfzg47xaszf85ylv2";
     build = "build.rs";
@@ -1632,13 +1692,13 @@ rec {
   };
   features_.proc_macro2."0.4.24" = deps: f: updateFeatures f (rec {
     proc_macro2 = fold recursiveUpdate {} [
-      { "0.4.24".default = (f.proc_macro2."0.4.24".default or true); }
-      { "0.4.24".proc-macro =
-        (f.proc_macro2."0.4.24".proc-macro or false) ||
+      { "0.4.24"."proc-macro" =
+        (f.proc_macro2."0.4.24"."proc-macro" or false) ||
         (f.proc_macro2."0.4.24".default or false) ||
         (proc_macro2."0.4.24"."default" or false) ||
         (f.proc_macro2."0.4.24".nightly or false) ||
         (proc_macro2."0.4.24"."nightly" or false); }
+      { "0.4.24".default = (f.proc_macro2."0.4.24".default or true); }
     ];
     unicode_xid."${deps.proc_macro2."0.4.24".unicode_xid}".default = true;
   }) [
@@ -1652,6 +1712,7 @@ rec {
   crates.quote."0.6.10" = deps: { features?(features_.quote."0.6.10" deps {}) }: buildRustCrate {
     crateName = "quote";
     version = "0.6.10";
+    description = "Quasi-quoting macro quote!(...)";
     authors = [ "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "0q5dlhk9hz795872fsf02vlbazx691393j7q426q590vdqcgj0qx";
     dependencies = mapFeatures features ([
@@ -1668,11 +1729,11 @@ rec {
       { "${deps.quote."0.6.10".proc_macro2}".default = (f.proc_macro2."${deps.quote."0.6.10".proc_macro2}".default or false); }
     ];
     quote = fold recursiveUpdate {} [
-      { "0.6.10".default = (f.quote."0.6.10".default or true); }
-      { "0.6.10".proc-macro =
-        (f.quote."0.6.10".proc-macro or false) ||
+      { "0.6.10"."proc-macro" =
+        (f.quote."0.6.10"."proc-macro" or false) ||
         (f.quote."0.6.10".default or false) ||
         (quote."0.6.10"."default" or false); }
+      { "0.6.10".default = (f.quote."0.6.10".default or true); }
     ];
   }) [
     (features_.proc_macro2."${deps."quote"."0.6.10"."proc_macro2"}" deps)
@@ -1685,6 +1746,7 @@ rec {
   crates.rand."0.3.22" = deps: { features?(features_.rand."0.3.22" deps {}) }: buildRustCrate {
     crateName = "rand";
     version = "0.3.22";
+    description = "Random number generators and other randomness functionality.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "0wrj12acx7l4hr7ag3nz8b50yhp8ancyq988bzmnnsxln67rsys0";
     dependencies = mapFeatures features ([
@@ -1701,11 +1763,11 @@ rec {
     libc."${deps.rand."0.3.22".libc}".default = true;
     rand = fold recursiveUpdate {} [
       { "${deps.rand."0.3.22".rand}".default = true; }
-      { "0.3.22".default = (f.rand."0.3.22".default or true); }
-      { "0.3.22".i128_support =
-        (f.rand."0.3.22".i128_support or false) ||
+      { "0.3.22"."i128_support" =
+        (f.rand."0.3.22"."i128_support" or false) ||
         (f.rand."0.3.22".nightly or false) ||
         (rand."0.3.22"."nightly" or false); }
+      { "0.3.22".default = (f.rand."0.3.22".default or true); }
     ];
   }) [
     (features_.libc."${deps."rand"."0.3.22"."libc"}" deps)
@@ -1720,6 +1782,7 @@ rec {
   crates.rand."0.4.3" = deps: { features?(features_.rand."0.4.3" deps {}) }: buildRustCrate {
     crateName = "rand";
     version = "0.4.3";
+    description = "Random number generators and other randomness functionality.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1644wri45l147822xy7dgdm4k7myxzs66cb795ga0x7dan11ci4f";
     dependencies = (if kernel == "fuchsia" then mapFeatures features ([
@@ -1737,19 +1800,19 @@ rec {
     fuchsia_zircon."${deps.rand."0.4.3".fuchsia_zircon}".default = true;
     libc."${deps.rand."0.4.3".libc}".default = true;
     rand = fold recursiveUpdate {} [
-      { "0.4.3".default = (f.rand."0.4.3".default or true); }
-      { "0.4.3".i128_support =
-        (f.rand."0.4.3".i128_support or false) ||
+      { "0.4.3"."i128_support" =
+        (f.rand."0.4.3"."i128_support" or false) ||
         (f.rand."0.4.3".nightly or false) ||
         (rand."0.4.3"."nightly" or false); }
-      { "0.4.3".libc =
-        (f.rand."0.4.3".libc or false) ||
+      { "0.4.3"."libc" =
+        (f.rand."0.4.3"."libc" or false) ||
         (f.rand."0.4.3".std or false) ||
         (rand."0.4.3"."std" or false); }
-      { "0.4.3".std =
-        (f.rand."0.4.3".std or false) ||
+      { "0.4.3"."std" =
+        (f.rand."0.4.3"."std" or false) ||
         (f.rand."0.4.3".default or false) ||
         (rand."0.4.3"."default" or false); }
+      { "0.4.3".default = (f.rand."0.4.3".default or true); }
     ];
     winapi = fold recursiveUpdate {} [
       { "${deps.rand."0.4.3".winapi}"."minwindef" = true; }
@@ -1771,6 +1834,7 @@ rec {
   crates.redox_syscall."0.1.50" = deps: { features?(features_.redox_syscall."0.1.50" deps {}) }: buildRustCrate {
     crateName = "redox_syscall";
     version = "0.1.50";
+    description = "A Rust library to access raw Redox system calls";
     authors = [ "Jeremy Soller <jackpot51@gmail.com>" ];
     sha256 = "0f7lpamlizfv9cbyyqwwzp9rbk66gppqdx5kw5vq24cfzy9dbpiw";
     libName = "syscall";
@@ -1786,6 +1850,7 @@ rec {
   crates.regex."0.1.80" = deps: { features?(features_.regex."0.1.80" deps {}) }: buildRustCrate {
     crateName = "regex";
     version = "0.1.80";
+    description = "An implementation of regular expressions for Rust. This implementation uses\nfinite automata and guarantees linear time matching on all inputs.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "0y4s8ghhx6sgzb35irwivm3w0l2hhqhmdcd2px9hirqnkagal9l6";
     dependencies = mapFeatures features ([
@@ -1801,11 +1866,11 @@ rec {
     aho_corasick."${deps.regex."0.1.80".aho_corasick}".default = true;
     memchr."${deps.regex."0.1.80".memchr}".default = true;
     regex = fold recursiveUpdate {} [
-      { "0.1.80".default = (f.regex."0.1.80".default or true); }
-      { "0.1.80".simd =
-        (f.regex."0.1.80".simd or false) ||
+      { "0.1.80"."simd" =
+        (f.regex."0.1.80"."simd" or false) ||
         (f.regex."0.1.80".simd-accel or false) ||
         (regex."0.1.80"."simd-accel" or false); }
+      { "0.1.80".default = (f.regex."0.1.80".default or true); }
     ];
     regex_syntax."${deps.regex."0.1.80".regex_syntax}".default = true;
     thread_local."${deps.regex."0.1.80".thread_local}".default = true;
@@ -1825,6 +1890,7 @@ rec {
   crates.regex."0.2.11" = deps: { features?(features_.regex."0.2.11" deps {}) }: buildRustCrate {
     crateName = "regex";
     version = "0.2.11";
+    description = "An implementation of regular expressions for Rust. This implementation uses\nfinite automata and guarantees linear time matching on all inputs.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "0r50cymxdqp0fv1dxd22mjr6y32q450nwacd279p9s7lh0cafijj";
     dependencies = mapFeatures features ([
@@ -1840,11 +1906,11 @@ rec {
     aho_corasick."${deps.regex."0.2.11".aho_corasick}".default = true;
     memchr."${deps.regex."0.2.11".memchr}".default = true;
     regex = fold recursiveUpdate {} [
-      { "0.2.11".default = (f.regex."0.2.11".default or true); }
-      { "0.2.11".pattern =
-        (f.regex."0.2.11".pattern or false) ||
+      { "0.2.11"."pattern" =
+        (f.regex."0.2.11"."pattern" or false) ||
         (f.regex."0.2.11".unstable or false) ||
         (regex."0.2.11"."unstable" or false); }
+      { "0.2.11".default = (f.regex."0.2.11".default or true); }
     ];
     regex_syntax."${deps.regex."0.2.11".regex_syntax}".default = true;
     thread_local."${deps.regex."0.2.11".thread_local}".default = true;
@@ -1864,6 +1930,7 @@ rec {
   crates.regex_syntax."0.3.9" = deps: { features?(features_.regex_syntax."0.3.9" deps {}) }: buildRustCrate {
     crateName = "regex-syntax";
     version = "0.3.9";
+    description = "A regular expression parser.";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1mzhphkbwppwd1zam2jkgjk550cqgf6506i87bw2yzrvcsraiw7m";
   };
@@ -1878,6 +1945,7 @@ rec {
   crates.regex_syntax."0.5.6" = deps: { features?(features_.regex_syntax."0.5.6" deps {}) }: buildRustCrate {
     crateName = "regex-syntax";
     version = "0.5.6";
+    description = "A regular expression parser.";
     authors = [ "The Rust Project Developers" ];
     sha256 = "10vf3r34bgjnbrnqd5aszn35bjvm8insw498l1vjy8zx5yms3427";
     dependencies = mapFeatures features ([
@@ -1898,6 +1966,7 @@ rec {
   crates.remove_dir_all."0.5.1" = deps: { features?(features_.remove_dir_all."0.5.1" deps {}) }: buildRustCrate {
     crateName = "remove_dir_all";
     version = "0.5.1";
+    description = "A safe, reliable implementation of remove_dir_all for Windows";
     authors = [ "Aaronepower <theaaronepower@gmail.com>" ];
     sha256 = "1chx3yvfbj46xjz4bzsvps208l46hfbcy0sm98gpiya454n4rrl7";
     dependencies = (if kernel == "windows" then mapFeatures features ([
@@ -1925,6 +1994,7 @@ rec {
   crates.rustc_demangle."0.1.13" = deps: { features?(features_.rustc_demangle."0.1.13" deps {}) }: buildRustCrate {
     crateName = "rustc-demangle";
     version = "0.1.13";
+    description = "Rust compiler symbol demangling.\n";
     authors = [ "Alex Crichton <alex@alexcrichton.com>" ];
     sha256 = "0sr6cr02araqnlqwc5ghvnafjmkw11vzjswqaz757lvyrcl8xcy6";
   };
@@ -1939,6 +2009,7 @@ rec {
   crates.ryu."0.2.7" = deps: { features?(features_.ryu."0.2.7" deps {}) }: buildRustCrate {
     crateName = "ryu";
     version = "0.2.7";
+    description = "Fast floating point to string conversion";
     authors = [ "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "0m8szf1m87wfqkwh1f9zp9bn2mb0m9nav028xxnd0hlig90b44bd";
     build = "build.rs";
@@ -1957,17 +2028,18 @@ rec {
   crates.safemem."0.3.0" = deps: { features?(features_.safemem."0.3.0" deps {}) }: buildRustCrate {
     crateName = "safemem";
     version = "0.3.0";
+    description = "Safe wrappers for memory-accessing functions, like `std::ptr::copy()`.";
     authors = [ "Austin Bonander <austin.bonander@gmail.com>" ];
     sha256 = "0pr39b468d05f6m7m4alsngmj5p7an8df21apsxbi57k0lmwrr18";
     features = mkFeatures (features."safemem"."0.3.0" or {});
   };
   features_.safemem."0.3.0" = deps: f: updateFeatures f (rec {
     safemem = fold recursiveUpdate {} [
-      { "0.3.0".default = (f.safemem."0.3.0".default or true); }
-      { "0.3.0".std =
-        (f.safemem."0.3.0".std or false) ||
+      { "0.3.0"."std" =
+        (f.safemem."0.3.0"."std" or false) ||
         (f.safemem."0.3.0".default or false) ||
         (safemem."0.3.0"."default" or false); }
+      { "0.3.0".default = (f.safemem."0.3.0".default or true); }
     ];
   }) [];
 
@@ -1978,6 +2050,7 @@ rec {
   crates.schannel."0.1.14" = deps: { features?(features_.schannel."0.1.14" deps {}) }: buildRustCrate {
     crateName = "schannel";
     version = "0.1.14";
+    description = "Schannel bindings for rust, allowing SSL/TLS (e.g. https) without openssl";
     authors = [ "Steven Fackler <sfackler@gmail.com>" "Steffen Butzer <steffen.butzer@outlook.com>" ];
     sha256 = "1g0a88jknns1kwn3x1k3ci5y5zvg58pwdg1xrxkrw3cwd2hynm9k";
     dependencies = mapFeatures features ([
@@ -2013,6 +2086,7 @@ rec {
   crates.security_framework."0.1.16" = deps: { features?(features_.security_framework."0.1.16" deps {}) }: buildRustCrate {
     crateName = "security-framework";
     version = "0.1.16";
+    description = "Security Framework bindings";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "1kxczsaj8gz4922jl5af2gkxh71rasb6khaf3dp7ldlnw9qf2sbm";
     dependencies = mapFeatures features ([
@@ -2028,20 +2102,20 @@ rec {
     core_foundation_sys."${deps.security_framework."0.1.16".core_foundation_sys}".default = true;
     libc."${deps.security_framework."0.1.16".libc}".default = true;
     security_framework = fold recursiveUpdate {} [
-      { "0.1.16".OSX_10_10 =
-        (f.security_framework."0.1.16".OSX_10_10 or false) ||
+      { "0.1.16"."OSX_10_10" =
+        (f.security_framework."0.1.16"."OSX_10_10" or false) ||
         (f.security_framework."0.1.16".OSX_10_11 or false) ||
         (security_framework."0.1.16"."OSX_10_11" or false); }
-      { "0.1.16".OSX_10_11 =
-        (f.security_framework."0.1.16".OSX_10_11 or false) ||
+      { "0.1.16"."OSX_10_11" =
+        (f.security_framework."0.1.16"."OSX_10_11" or false) ||
         (f.security_framework."0.1.16".OSX_10_12 or false) ||
         (security_framework."0.1.16"."OSX_10_12" or false); }
-      { "0.1.16".OSX_10_8 =
-        (f.security_framework."0.1.16".OSX_10_8 or false) ||
+      { "0.1.16"."OSX_10_8" =
+        (f.security_framework."0.1.16"."OSX_10_8" or false) ||
         (f.security_framework."0.1.16".OSX_10_9 or false) ||
         (security_framework."0.1.16"."OSX_10_9" or false); }
-      { "0.1.16".OSX_10_9 =
-        (f.security_framework."0.1.16".OSX_10_9 or false) ||
+      { "0.1.16"."OSX_10_9" =
+        (f.security_framework."0.1.16"."OSX_10_9" or false) ||
         (f.security_framework."0.1.16".OSX_10_10 or false) ||
         (security_framework."0.1.16"."OSX_10_10" or false); }
       { "0.1.16".default = (f.security_framework."0.1.16".default or true); }
@@ -2081,6 +2155,7 @@ rec {
   crates.security_framework_sys."0.1.16" = deps: { features?(features_.security_framework_sys."0.1.16" deps {}) }: buildRustCrate {
     crateName = "security-framework-sys";
     version = "0.1.16";
+    description = "Security Framework bindings";
     authors = [ "Steven Fackler <sfackler@gmail.com>" ];
     sha256 = "0ai2pivdr5fyc7czbkpcrwap0imyy0r8ndarrl3n5kiv0jha1js3";
     build = "build.rs";
@@ -2094,20 +2169,20 @@ rec {
     core_foundation_sys."${deps.security_framework_sys."0.1.16".core_foundation_sys}".default = true;
     libc."${deps.security_framework_sys."0.1.16".libc}".default = true;
     security_framework_sys = fold recursiveUpdate {} [
-      { "0.1.16".OSX_10_10 =
-        (f.security_framework_sys."0.1.16".OSX_10_10 or false) ||
+      { "0.1.16"."OSX_10_10" =
+        (f.security_framework_sys."0.1.16"."OSX_10_10" or false) ||
         (f.security_framework_sys."0.1.16".OSX_10_11 or false) ||
         (security_framework_sys."0.1.16"."OSX_10_11" or false); }
-      { "0.1.16".OSX_10_11 =
-        (f.security_framework_sys."0.1.16".OSX_10_11 or false) ||
+      { "0.1.16"."OSX_10_11" =
+        (f.security_framework_sys."0.1.16"."OSX_10_11" or false) ||
         (f.security_framework_sys."0.1.16".OSX_10_12 or false) ||
         (security_framework_sys."0.1.16"."OSX_10_12" or false); }
-      { "0.1.16".OSX_10_8 =
-        (f.security_framework_sys."0.1.16".OSX_10_8 or false) ||
+      { "0.1.16"."OSX_10_8" =
+        (f.security_framework_sys."0.1.16"."OSX_10_8" or false) ||
         (f.security_framework_sys."0.1.16".OSX_10_9 or false) ||
         (security_framework_sys."0.1.16"."OSX_10_9" or false); }
-      { "0.1.16".OSX_10_9 =
-        (f.security_framework_sys."0.1.16".OSX_10_9 or false) ||
+      { "0.1.16"."OSX_10_9" =
+        (f.security_framework_sys."0.1.16"."OSX_10_9" or false) ||
         (f.security_framework_sys."0.1.16".OSX_10_10 or false) ||
         (security_framework_sys."0.1.16"."OSX_10_10" or false); }
       { "0.1.16".default = (f.security_framework_sys."0.1.16".default or true); }
@@ -2124,7 +2199,9 @@ rec {
   crates.separator."0.4.1" = deps: { features?(features_.separator."0.4.1" deps {}) }: buildRustCrate {
     crateName = "separator";
     version = "0.4.1";
+    description = "Formats numbers into strings with thousands separators for readability.";
     authors = [ "Saghm Rossi <saghmrossi@gmail.com>" ];
+    edition = "2018";
     sha256 = "1l7yhf6dy09k9cy0kkwb9wy98rn8mnz72q27wbd6bhiflllwghr7";
   };
   features_.separator."0.4.1" = deps: f: updateFeatures f (rec {
@@ -2138,6 +2215,7 @@ rec {
   crates.serde."1.0.84" = deps: { features?(features_.serde."1.0.84" deps {}) }: buildRustCrate {
     crateName = "serde";
     version = "1.0.84";
+    description = "A generic serialization/deserialization framework";
     authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "1x40cvvkbkz592jflwbfbxhim3wxdqp9dy0qxjw13ra7q57b29gy";
     build = "build.rs";
@@ -2147,19 +2225,19 @@ rec {
   };
   features_.serde."1.0.84" = deps: f: updateFeatures f (rec {
     serde = fold recursiveUpdate {} [
-      { "1.0.84".default = (f.serde."1.0.84".default or true); }
-      { "1.0.84".serde_derive =
-        (f.serde."1.0.84".serde_derive or false) ||
+      { "1.0.84"."serde_derive" =
+        (f.serde."1.0.84"."serde_derive" or false) ||
         (f.serde."1.0.84".derive or false) ||
         (serde."1.0.84"."derive" or false); }
-      { "1.0.84".std =
-        (f.serde."1.0.84".std or false) ||
+      { "1.0.84"."std" =
+        (f.serde."1.0.84"."std" or false) ||
         (f.serde."1.0.84".default or false) ||
         (serde."1.0.84"."default" or false); }
-      { "1.0.84".unstable =
-        (f.serde."1.0.84".unstable or false) ||
+      { "1.0.84"."unstable" =
+        (f.serde."1.0.84"."unstable" or false) ||
         (f.serde."1.0.84".alloc or false) ||
         (serde."1.0.84"."alloc" or false); }
+      { "1.0.84".default = (f.serde."1.0.84".default or true); }
     ];
   }) [];
 
@@ -2170,6 +2248,7 @@ rec {
   crates.serde_derive."1.0.84" = deps: { features?(features_.serde_derive."1.0.84" deps {}) }: buildRustCrate {
     crateName = "serde_derive";
     version = "1.0.84";
+    description = "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]";
     authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "0iz0f0z86k1kc57xaa4zjmx42y3hmmhjbv3g979ncfza228b2ki6";
     procMacro = true;
@@ -2201,6 +2280,7 @@ rec {
   crates.serde_json."1.0.34" = deps: { features?(features_.serde_json."1.0.34" deps {}) }: buildRustCrate {
     crateName = "serde_json";
     version = "1.0.34";
+    description = "A JSON serialization file format";
     authors = [ "Erick Tryzelaar <erick.tryzelaar@gmail.com>" "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "1hj96vsyfc1kzni1j7dkx818pjxadj72c9d2nq8i6vhzg37h3j8f";
     dependencies = mapFeatures features ([
@@ -2215,11 +2295,11 @@ rec {
     ryu."${deps.serde_json."1.0.34".ryu}".default = true;
     serde."${deps.serde_json."1.0.34".serde}".default = true;
     serde_json = fold recursiveUpdate {} [
-      { "1.0.34".default = (f.serde_json."1.0.34".default or true); }
-      { "1.0.34".indexmap =
-        (f.serde_json."1.0.34".indexmap or false) ||
+      { "1.0.34"."indexmap" =
+        (f.serde_json."1.0.34"."indexmap" or false) ||
         (f.serde_json."1.0.34".preserve_order or false) ||
         (serde_json."1.0.34"."preserve_order" or false); }
+      { "1.0.34".default = (f.serde_json."1.0.34".default or true); }
     ];
   }) [
     (features_.itoa."${deps."serde_json"."1.0.34"."itoa"}" deps)
@@ -2234,6 +2314,7 @@ rec {
   crates.syn."0.15.23" = deps: { features?(features_.syn."0.15.23" deps {}) }: buildRustCrate {
     crateName = "syn";
     version = "0.15.23";
+    description = "Parser for Rust source code";
     authors = [ "David Tolnay <dtolnay@gmail.com>" ];
     sha256 = "0ybqj4vv16s16lshn464rx24v95yx4s41jq5ir004n62zksz77a1";
     dependencies = mapFeatures features ([
@@ -2259,31 +2340,31 @@ rec {
       { "${deps.syn."0.15.23".quote}".default = (f.quote."${deps.syn."0.15.23".quote}".default or false); }
     ];
     syn = fold recursiveUpdate {} [
-      { "0.15.23".clone-impls =
-        (f.syn."0.15.23".clone-impls or false) ||
+      { "0.15.23"."clone-impls" =
+        (f.syn."0.15.23"."clone-impls" or false) ||
         (f.syn."0.15.23".default or false) ||
         (syn."0.15.23"."default" or false); }
-      { "0.15.23".default = (f.syn."0.15.23".default or true); }
-      { "0.15.23".derive =
-        (f.syn."0.15.23".derive or false) ||
+      { "0.15.23"."derive" =
+        (f.syn."0.15.23"."derive" or false) ||
         (f.syn."0.15.23".default or false) ||
         (syn."0.15.23"."default" or false); }
-      { "0.15.23".parsing =
-        (f.syn."0.15.23".parsing or false) ||
+      { "0.15.23"."parsing" =
+        (f.syn."0.15.23"."parsing" or false) ||
         (f.syn."0.15.23".default or false) ||
         (syn."0.15.23"."default" or false); }
-      { "0.15.23".printing =
-        (f.syn."0.15.23".printing or false) ||
+      { "0.15.23"."printing" =
+        (f.syn."0.15.23"."printing" or false) ||
         (f.syn."0.15.23".default or false) ||
         (syn."0.15.23"."default" or false); }
-      { "0.15.23".proc-macro =
-        (f.syn."0.15.23".proc-macro or false) ||
+      { "0.15.23"."proc-macro" =
+        (f.syn."0.15.23"."proc-macro" or false) ||
         (f.syn."0.15.23".default or false) ||
         (syn."0.15.23"."default" or false); }
-      { "0.15.23".quote =
-        (f.syn."0.15.23".quote or false) ||
+      { "0.15.23"."quote" =
+        (f.syn."0.15.23"."quote" or false) ||
         (f.syn."0.15.23".printing or false) ||
         (syn."0.15.23"."printing" or false); }
+      { "0.15.23".default = (f.syn."0.15.23".default or true); }
     ];
     unicode_xid."${deps.syn."0.15.23".unicode_xid}".default = true;
   }) [
@@ -2299,6 +2380,7 @@ rec {
   crates.sys_info."0.5.6" = deps: { features?(features_.sys_info."0.5.6" deps {}) }: buildRustCrate {
     crateName = "sys-info";
     version = "0.5.6";
+    description = "Get system information in Rust.\n\nFor now it supports Linux, Mac OS X and Windows.\n";
     authors = [ "Siyu Wang <FillZpp.pub@gmail.com>" ];
     sha256 = "118ma1x3gnlm5jxxgi0bp8bskka5npnwn4f8m93zncbrbmzic2ff";
     libPath = "lib.rs";
@@ -2328,6 +2410,7 @@ rec {
   crates.tempdir."0.3.7" = deps: { features?(features_.tempdir."0.3.7" deps {}) }: buildRustCrate {
     crateName = "tempdir";
     version = "0.3.7";
+    description = "A library for managing a temporary directory and deleting all contents when it's\ndropped.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "0y53sxybyljrr7lh0x0ysrsa7p7cljmwv9v80acy3rc6n97g67vy";
     dependencies = mapFeatures features ([
@@ -2351,6 +2434,7 @@ rec {
   crates.tempfile."2.2.0" = deps: { features?(features_.tempfile."2.2.0" deps {}) }: buildRustCrate {
     crateName = "tempfile";
     version = "2.2.0";
+    description = "Securely create temporary files.";
     authors = [ "Steven Allen <steven@stebalien.com>" ];
     sha256 = "1z3l901ipvi0s0mdppw4lwfa77ydb22rfnf6y9sh0pifj7ah5drf";
     dependencies = mapFeatures features ([
@@ -2389,6 +2473,7 @@ rec {
   crates.thread_id."2.0.0" = deps: { features?(features_.thread_id."2.0.0" deps {}) }: buildRustCrate {
     crateName = "thread-id";
     version = "2.0.0";
+    description = "Get a unique thread ID";
     authors = [ "Ruud van Asseldonk <dev@veniogames.com>" ];
     sha256 = "06i3c8ckn97i5rp16civ2vpqbknlkx66dkrl070iw60nawi0kjc3";
     dependencies = mapFeatures features ([
@@ -2412,6 +2497,7 @@ rec {
   crates.thread_local."0.2.7" = deps: { features?(features_.thread_local."0.2.7" deps {}) }: buildRustCrate {
     crateName = "thread_local";
     version = "0.2.7";
+    description = "Per-object thread-local storage";
     authors = [ "Amanieu d'Antras <amanieu@gmail.com>" ];
     sha256 = "19p0zrs24rdwjvpi10jig5ms3sxj00pv8shkr9cpddri8cdghqp7";
     dependencies = mapFeatures features ([
@@ -2432,6 +2518,7 @@ rec {
   crates.thread_local."0.3.6" = deps: { features?(features_.thread_local."0.3.6" deps {}) }: buildRustCrate {
     crateName = "thread_local";
     version = "0.3.6";
+    description = "Per-object thread-local storage";
     authors = [ "Amanieu d'Antras <amanieu@gmail.com>" ];
     sha256 = "02rksdwjmz2pw9bmgbb4c0bgkbq5z6nvg510sq1s6y2j1gam0c7i";
     dependencies = mapFeatures features ([
@@ -2452,6 +2539,7 @@ rec {
   crates.time."0.1.41" = deps: { features?(features_.time."0.1.41" deps {}) }: buildRustCrate {
     crateName = "time";
     version = "0.1.41";
+    description = "Utilities for working with time-related functions in Rust.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "0k56037d04zwy1zdznjcyq0q86r84903ixb41xk5sbwmia1k5gqg";
     dependencies = mapFeatures features ([
@@ -2491,6 +2579,7 @@ rec {
   crates.traitobject."0.1.0" = deps: { features?(features_.traitobject."0.1.0" deps {}) }: buildRustCrate {
     crateName = "traitobject";
     version = "0.1.0";
+    description = "Unsafe helpers for working with raw trait objects.";
     authors = [ "Jonathan Reem <jonathan.reem@gmail.com>" ];
     sha256 = "10hi8pl361l539g4kg74mcrhn7grmwlar4jl528ddn2z2jvb7lw3";
   };
@@ -2505,6 +2594,7 @@ rec {
   crates.typeable."0.1.2" = deps: { features?(features_.typeable."0.1.2" deps {}) }: buildRustCrate {
     crateName = "typeable";
     version = "0.1.2";
+    description = "Exposes Typeable, for getting TypeIds at runtime.";
     authors = [ "Jonathan Reem <jonathan.reem@gmail.com>" ];
     sha256 = "0lvff10hwyy852m6r11msyv1rpgpnapn284i8dk0p0q5saqvbvnx";
   };
@@ -2519,6 +2609,7 @@ rec {
   crates.ucd_util."0.1.3" = deps: { features?(features_.ucd_util."0.1.3" deps {}) }: buildRustCrate {
     crateName = "ucd-util";
     version = "0.1.3";
+    description = "A small utility library for working with the Unicode character database.\n";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "1n1qi3jywq5syq90z9qd8qzbn58pcjgv1sx4sdmipm4jf9zanz15";
   };
@@ -2533,6 +2624,7 @@ rec {
   crates.unicase."1.4.2" = deps: { features?(features_.unicase."1.4.2" deps {}) }: buildRustCrate {
     crateName = "unicase";
     version = "1.4.2";
+    description = "A case-insensitive wrapper around strings.";
     authors = [ "Sean McArthur <sean.monstar@gmail.com>" ];
     sha256 = "0rbnhw2mnhcwrij3vczp0sl8zdfmvf2dlh8hly81kj7132kfj0mf";
     build = "build.rs";
@@ -2546,15 +2638,15 @@ rec {
   };
   features_.unicase."1.4.2" = deps: f: updateFeatures f (rec {
     unicase = fold recursiveUpdate {} [
+      { "1.4.2"."heapsize" =
+        (f.unicase."1.4.2"."heapsize" or false) ||
+        (f.unicase."1.4.2".heap_size or false) ||
+        (unicase."1.4.2"."heap_size" or false); }
+      { "1.4.2"."heapsize_plugin" =
+        (f.unicase."1.4.2"."heapsize_plugin" or false) ||
+        (f.unicase."1.4.2".heap_size or false) ||
+        (unicase."1.4.2"."heap_size" or false); }
       { "1.4.2".default = (f.unicase."1.4.2".default or true); }
-      { "1.4.2".heapsize =
-        (f.unicase."1.4.2".heapsize or false) ||
-        (f.unicase."1.4.2".heap_size or false) ||
-        (unicase."1.4.2"."heap_size" or false); }
-      { "1.4.2".heapsize_plugin =
-        (f.unicase."1.4.2".heapsize_plugin or false) ||
-        (f.unicase."1.4.2".heap_size or false) ||
-        (unicase."1.4.2"."heap_size" or false); }
     ];
     version_check."${deps.unicase."1.4.2".version_check}".default = true;
   }) [
@@ -2568,6 +2660,7 @@ rec {
   crates.unicode_bidi."0.3.4" = deps: { features?(features_.unicode_bidi."0.3.4" deps {}) }: buildRustCrate {
     crateName = "unicode-bidi";
     version = "0.3.4";
+    description = "Implementation of the Unicode Bidirectional Algorithm";
     authors = [ "The Servo Project Developers" ];
     sha256 = "0lcd6jasrf8p9p0q20qyf10c6xhvw40m2c4rr105hbk6zy26nj1q";
     libName = "unicode_bidi";
@@ -2579,19 +2672,19 @@ rec {
   features_.unicode_bidi."0.3.4" = deps: f: updateFeatures f (rec {
     matches."${deps.unicode_bidi."0.3.4".matches}".default = true;
     unicode_bidi = fold recursiveUpdate {} [
-      { "0.3.4".default = (f.unicode_bidi."0.3.4".default or true); }
-      { "0.3.4".flame =
-        (f.unicode_bidi."0.3.4".flame or false) ||
+      { "0.3.4"."flame" =
+        (f.unicode_bidi."0.3.4"."flame" or false) ||
         (f.unicode_bidi."0.3.4".flame_it or false) ||
         (unicode_bidi."0.3.4"."flame_it" or false); }
-      { "0.3.4".flamer =
-        (f.unicode_bidi."0.3.4".flamer or false) ||
+      { "0.3.4"."flamer" =
+        (f.unicode_bidi."0.3.4"."flamer" or false) ||
         (f.unicode_bidi."0.3.4".flame_it or false) ||
         (unicode_bidi."0.3.4"."flame_it" or false); }
-      { "0.3.4".serde =
-        (f.unicode_bidi."0.3.4".serde or false) ||
+      { "0.3.4"."serde" =
+        (f.unicode_bidi."0.3.4"."serde" or false) ||
         (f.unicode_bidi."0.3.4".with_serde or false) ||
         (unicode_bidi."0.3.4"."with_serde" or false); }
+      { "0.3.4".default = (f.unicode_bidi."0.3.4".default or true); }
     ];
   }) [
     (features_.matches."${deps."unicode_bidi"."0.3.4"."matches"}" deps)
@@ -2604,6 +2697,7 @@ rec {
   crates.unicode_normalization."0.1.7" = deps: { features?(features_.unicode_normalization."0.1.7" deps {}) }: buildRustCrate {
     crateName = "unicode-normalization";
     version = "0.1.7";
+    description = "This crate provides functions for normalization of\nUnicode strings, including Canonical and Compatible\nDecomposition and Recomposition, as described in\nUnicode Standard Annex #15.\n";
     authors = [ "kwantam <kwantam@gmail.com>" ];
     sha256 = "1da2hv800pd0wilmn4idwpgv5p510hjxizjcfv6xzb40xcsjd8gs";
   };
@@ -2618,6 +2712,7 @@ rec {
   crates.unicode_xid."0.1.0" = deps: { features?(features_.unicode_xid."0.1.0" deps {}) }: buildRustCrate {
     crateName = "unicode-xid";
     version = "0.1.0";
+    description = "Determine whether characters have the XID_Start\nor XID_Continue properties according to\nUnicode Standard Annex #31.\n";
     authors = [ "erick.tryzelaar <erick.tryzelaar@gmail.com>" "kwantam <kwantam@gmail.com>" ];
     sha256 = "05wdmwlfzxhq3nhsxn6wx4q8dhxzzfb9szsz6wiw092m1rjj01zj";
     features = mkFeatures (features."unicode_xid"."0.1.0" or {});
@@ -2633,6 +2728,7 @@ rec {
   crates.url."1.7.2" = deps: { features?(features_.url."1.7.2" deps {}) }: buildRustCrate {
     crateName = "url";
     version = "1.7.2";
+    description = "URL library for Rust, based on the WHATWG URL Standard";
     authors = [ "The rust-url developers" ];
     sha256 = "0qzrjzd9r1niv7037x4cgnv98fs1vj0k18lpxx890ipc47x5gc09";
     dependencies = mapFeatures features ([
@@ -2647,15 +2743,15 @@ rec {
     matches."${deps.url."1.7.2".matches}".default = true;
     percent_encoding."${deps.url."1.7.2".percent_encoding}".default = true;
     url = fold recursiveUpdate {} [
-      { "1.7.2".default = (f.url."1.7.2".default or true); }
-      { "1.7.2".encoding =
-        (f.url."1.7.2".encoding or false) ||
+      { "1.7.2"."encoding" =
+        (f.url."1.7.2"."encoding" or false) ||
         (f.url."1.7.2".query_encoding or false) ||
         (url."1.7.2"."query_encoding" or false); }
-      { "1.7.2".heapsize =
-        (f.url."1.7.2".heapsize or false) ||
+      { "1.7.2"."heapsize" =
+        (f.url."1.7.2"."heapsize" or false) ||
         (f.url."1.7.2".heap_size or false) ||
         (url."1.7.2"."heap_size" or false); }
+      { "1.7.2".default = (f.url."1.7.2".default or true); }
     ];
   }) [
     (features_.idna."${deps."url"."1.7.2"."idna"}" deps)
@@ -2670,6 +2766,7 @@ rec {
   crates.utf8_ranges."0.1.3" = deps: { features?(features_.utf8_ranges."0.1.3" deps {}) }: buildRustCrate {
     crateName = "utf8-ranges";
     version = "0.1.3";
+    description = "Convert ranges of Unicode codepoints to UTF-8 byte ranges.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "1cj548a91a93j8375p78qikaiam548xh84cb0ck8y119adbmsvbp";
   };
@@ -2684,6 +2781,7 @@ rec {
   crates.utf8_ranges."1.0.2" = deps: { features?(features_.utf8_ranges."1.0.2" deps {}) }: buildRustCrate {
     crateName = "utf8-ranges";
     version = "1.0.2";
+    description = "Convert ranges of Unicode codepoints to UTF-8 byte ranges.";
     authors = [ "Andrew Gallant <jamslam@gmail.com>" ];
     sha256 = "1my02laqsgnd8ib4dvjgd4rilprqjad6pb9jj9vi67csi5qs2281";
   };
@@ -2698,6 +2796,7 @@ rec {
   crates.uuid."0.4.0" = deps: { features?(features_.uuid."0.4.0" deps {}) }: buildRustCrate {
     crateName = "uuid";
     version = "0.4.0";
+    description = "A library to generate and parse UUIDs.\n";
     authors = [ "The Rust Project Developers" ];
     sha256 = "1fzgp3ayz7g5zx4gvxkxxm9jkrllj5qlvlyp6r2an0wyqm2y9qlh";
     dependencies = mapFeatures features ([
@@ -2708,15 +2807,15 @@ rec {
   features_.uuid."0.4.0" = deps: f: updateFeatures f (rec {
     rand."${deps.uuid."0.4.0".rand}".default = true;
     uuid = fold recursiveUpdate {} [
-      { "0.4.0".default = (f.uuid."0.4.0".default or true); }
-      { "0.4.0".rand =
-        (f.uuid."0.4.0".rand or false) ||
+      { "0.4.0"."rand" =
+        (f.uuid."0.4.0"."rand" or false) ||
         (f.uuid."0.4.0".v4 or false) ||
         (uuid."0.4.0"."v4" or false); }
-      { "0.4.0".sha1 =
-        (f.uuid."0.4.0".sha1 or false) ||
+      { "0.4.0"."sha1" =
+        (f.uuid."0.4.0"."sha1" or false) ||
         (f.uuid."0.4.0".v5 or false) ||
         (uuid."0.4.0"."v5" or false); }
+      { "0.4.0".default = (f.uuid."0.4.0".default or true); }
     ];
   }) [
     (features_.rand."${deps."uuid"."0.4.0"."rand"}" deps)
@@ -2729,6 +2828,7 @@ rec {
   crates.vcpkg."0.2.6" = deps: { features?(features_.vcpkg."0.2.6" deps {}) }: buildRustCrate {
     crateName = "vcpkg";
     version = "0.2.6";
+    description = "A library to find native dependencies in a vcpkg tree at build\ntime in order to be used in Cargo build scripts.\n";
     authors = [ "Jim McGrath <jimmc2@gmail.com>" ];
     sha256 = "1ig6jqpzzl1z9vk4qywgpfr4hfbd8ny8frqsgm3r449wkc4n1i5x";
   };
@@ -2743,6 +2843,7 @@ rec {
   crates.version_check."0.1.5" = deps: { features?(features_.version_check."0.1.5" deps {}) }: buildRustCrate {
     crateName = "version_check";
     version = "0.1.5";
+    description = "Tiny crate to check the version of the installed/running rustc.";
     authors = [ "Sergio Benitez <sb@sergio.bz>" ];
     sha256 = "1yrx9xblmwbafw2firxyqbj8f771kkzfd24n3q7xgwiqyhi0y8qd";
   };
@@ -2757,6 +2858,7 @@ rec {
   crates.winapi."0.2.8" = deps: { features?(features_.winapi."0.2.8" deps {}) }: buildRustCrate {
     crateName = "winapi";
     version = "0.2.8";
+    description = "Types and constants for WinAPI bindings. See README for list of crates providing function bindings.";
     authors = [ "Peter Atashian <retep998@gmail.com>" ];
     sha256 = "0a45b58ywf12vb7gvj6h3j264nydynmzyqz8d8rqxsj6icqv82as";
   };
@@ -2771,6 +2873,7 @@ rec {
   crates.winapi."0.3.6" = deps: { features?(features_.winapi."0.3.6" deps {}) }: buildRustCrate {
     crateName = "winapi";
     version = "0.3.6";
+    description = "Raw FFI bindings for all of Windows API.";
     authors = [ "Peter Atashian <retep998@gmail.com>" ];
     sha256 = "1d9jfp4cjd82sr1q4dgdlrkvm33zhhav9d7ihr0nivqbncr059m4";
     build = "build.rs";
@@ -2798,6 +2901,7 @@ rec {
   crates.winapi_build."0.1.1" = deps: { features?(features_.winapi_build."0.1.1" deps {}) }: buildRustCrate {
     crateName = "winapi-build";
     version = "0.1.1";
+    description = "Common code for build.rs in WinAPI -sys crates.";
     authors = [ "Peter Atashian <retep998@gmail.com>" ];
     sha256 = "1lxlpi87rkhxcwp2ykf1ldw3p108hwm24nywf3jfrvmff4rjhqga";
     libName = "build";
@@ -2813,6 +2917,7 @@ rec {
   crates.winapi_i686_pc_windows_gnu."0.4.0" = deps: { features?(features_.winapi_i686_pc_windows_gnu."0.4.0" deps {}) }: buildRustCrate {
     crateName = "winapi-i686-pc-windows-gnu";
     version = "0.4.0";
+    description = "Import libraries for the i686-pc-windows-gnu target. Please don't use this crate directly, depend on winapi instead.";
     authors = [ "Peter Atashian <retep998@gmail.com>" ];
     sha256 = "05ihkij18r4gamjpxj4gra24514can762imjzlmak5wlzidplzrp";
     build = "build.rs";
@@ -2828,6 +2933,7 @@ rec {
   crates.winapi_x86_64_pc_windows_gnu."0.4.0" = deps: { features?(features_.winapi_x86_64_pc_windows_gnu."0.4.0" deps {}) }: buildRustCrate {
     crateName = "winapi-x86_64-pc-windows-gnu";
     version = "0.4.0";
+    description = "Import libraries for the x86_64-pc-windows-gnu target. Please don't use this crate directly, depend on winapi instead.";
     authors = [ "Peter Atashian <retep998@gmail.com>" ];
     sha256 = "0n1ylmlsb8yg1v583i4xy0qmqg42275flvbc51hdqjjfjcl9vlbj";
     build = "build.rs";
diff --git a/ofborg/src/acl.rs b/ofborg/src/acl.rs
index 62b8efb..3e08a70 100644
--- a/ofborg/src/acl.rs
+++ b/ofborg/src/acl.rs
@@ -1,4 +1,4 @@
-use ofborg::systems::System;
+use crate::systems::System;
 
 pub struct ACL {
     trusted_users: Vec<String>,
diff --git a/ofborg/src/asynccmd.rs b/ofborg/src/asynccmd.rs
index d301618..ec72565 100644
--- a/ofborg/src/asynccmd.rs
+++ b/ofborg/src/asynccmd.rs
@@ -1,18 +1,8 @@
-use std::thread;
-
 use std::collections::HashMap;
-use std::io;
-use std::io::BufRead;
-use std::io::BufReader;
-use std::io::Read;
-use std::process::Child;
-use std::process::Command;
-use std::process::ExitStatus;
-use std::process::Stdio;
-use std::sync::mpsc;
-use std::sync::mpsc::sync_channel;
-use std::sync::mpsc::{Receiver, SyncSender};
-use std::thread::JoinHandle;
+use std::io::{self, BufRead, BufReader, Read};
+use std::process::{Child, Command, ExitStatus, Stdio};
+use std::sync::mpsc::{self, sync_channel, Receiver, SyncSender};
+use std::thread::{self, JoinHandle};
 
 // Specifically set to fall under 1/2 of the AMQP library's
 // SyncSender limitation.
diff --git a/ofborg/src/bin/build-faker.rs b/ofborg/src/bin/build-faker.rs
index ba50615..73464a6 100644
--- a/ofborg/src/bin/build-faker.rs
+++ b/ofborg/src/bin/build-faker.rs
@@ -1,22 +1,12 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-
-extern crate hubcaps;
-extern crate hyper;
-extern crate hyper_native_tls;
-
-use std::env;
-
 use ofborg::commentparser;
 use ofborg::config;
 use ofborg::easyamqp;
-use ofborg::message::buildjob;
-use ofborg::message::{Pr, Repo};
-use ofborg::notifyworker;
-use ofborg::notifyworker::NotificationReceiver;
+use ofborg::message::{buildjob, Pr, Repo};
+use ofborg::notifyworker::{self, NotificationReceiver};
 use ofborg::worker;
 
+use std::env;
+
 fn main() {
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     ofborg::setup_log();
diff --git a/ofborg/src/bin/builder.rs b/ofborg/src/bin/builder.rs
index 1e60efb..3af2af1 100644
--- a/ofborg/src/bin/builder.rs
+++ b/ofborg/src/bin/builder.rs
@@ -1,19 +1,12 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-
-#[macro_use]
-extern crate log;
-
-use std::env;
-
 use amqp::Basic;
+use log::{log, warn};
 use ofborg::checkout;
 use ofborg::config;
-use ofborg::easyamqp;
-use ofborg::easyamqp::TypedWrappers;
+use ofborg::easyamqp::{self, TypedWrappers};
 use ofborg::notifyworker;
 use ofborg::tasks;
+
+use std::env;
 use std::path::Path;
 
 fn main() {
diff --git a/ofborg/src/bin/evaluation-filter.rs b/ofborg/src/bin/evaluation-filter.rs
index a7d5022..672c908 100644
--- a/ofborg/src/bin/evaluation-filter.rs
+++ b/ofborg/src/bin/evaluation-filter.rs
@@ -1,21 +1,11 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-
-extern crate hubcaps;
-extern crate hyper;
-extern crate hyper_native_tls;
-
-use std::env;
-
 use amqp::Basic;
-
 use ofborg::config;
-use ofborg::easyamqp;
-use ofborg::easyamqp::TypedWrappers;
+use ofborg::easyamqp::{self, TypedWrappers};
 use ofborg::tasks;
 use ofborg::worker;
 
+use std::env;
+
 fn main() {
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     ofborg::setup_log();
diff --git a/ofborg/src/bin/github-comment-filter.rs b/ofborg/src/bin/github-comment-filter.rs
index 8a6a45e..95badaf 100644
--- a/ofborg/src/bin/github-comment-filter.rs
+++ b/ofborg/src/bin/github-comment-filter.rs
@@ -1,21 +1,11 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-
-extern crate hubcaps;
-extern crate hyper;
-extern crate hyper_native_tls;
-
-use std::env;
-
 use amqp::Basic;
-
 use ofborg::config;
-use ofborg::easyamqp;
-use ofborg::easyamqp::TypedWrappers;
+use ofborg::easyamqp::{self, TypedWrappers};
 use ofborg::tasks;
 use ofborg::worker;
 
+use std::env;
+
 fn main() {
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     ofborg::setup_log();
diff --git a/ofborg/src/bin/github-comment-poster.rs b/ofborg/src/bin/github-comment-poster.rs
index 3c93a1e..3f04ef2 100644
--- a/ofborg/src/bin/github-comment-poster.rs
+++ b/ofborg/src/bin/github-comment-poster.rs
@@ -1,21 +1,11 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-
-extern crate hubcaps;
-extern crate hyper;
-extern crate hyper_native_tls;
-
-use std::env;
-
 use amqp::Basic;
-
 use ofborg::config;
-use ofborg::easyamqp;
-use ofborg::easyamqp::TypedWrappers;
+use ofborg::easyamqp::{self, TypedWrappers};
 use ofborg::tasks;
 use ofborg::worker;
 
+use std::env;
+
 fn main() {
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     ofborg::setup_log();
diff --git a/ofborg/src/bin/log-message-collector.rs b/ofborg/src/bin/log-message-collector.rs
index 98e6313..d0864d1 100644
--- a/ofborg/src/bin/log-message-collector.rs
+++ b/ofborg/src/bin/log-message-collector.rs
@@ -1,16 +1,11 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
+use ofborg::config;
+use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::tasks;
+use ofborg::worker;
 
 use std::env;
 use std::path::PathBuf;
 
-use ofborg::config;
-use ofborg::easyamqp;
-use ofborg::easyamqp::TypedWrappers;
-use ofborg::tasks;
-use ofborg::worker;
-
 fn main() {
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     ofborg::setup_log();
diff --git a/ofborg/src/bin/log-message-generator.rs b/ofborg/src/bin/log-message-generator.rs
index d0e524f..809d082 100644
--- a/ofborg/src/bin/log-message-generator.rs
+++ b/ofborg/src/bin/log-message-generator.rs
@@ -1,19 +1,13 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
+use ofborg::config;
+use ofborg::easyamqp;
+use ofborg::message::{buildjob, Pr, Repo};
+use ofborg::notifyworker;
+use ofborg::tasks::build;
 
 use std::env;
 use std::thread;
 use std::time::Duration;
 
-use ofborg::message::{Pr, Repo};
-
-use ofborg::config;
-use ofborg::easyamqp;
-use ofborg::message::buildjob;
-use ofborg::notifyworker;
-use ofborg::tasks::build;
-
 fn main() {
     let cfg = config::load(env::args().nth(1).unwrap().as_ref());
     ofborg::setup_log();
diff --git a/ofborg/src/bin/mass-rebuilder.rs b/ofborg/src/bin/mass-rebuilder.rs
index 76fda1a..a29bd26 100644
--- a/ofborg/src/bin/mass-rebuilder.rs
+++ b/ofborg/src/bin/mass-rebuilder.rs
@@ -1,21 +1,15 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-extern crate sys_info;
-
+use amqp::Basic;
 use ofborg::checkout;
 use ofborg::config;
+use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::stats;
 use ofborg::tasks;
+use ofborg::worker;
+
 use std::env;
 use std::path::Path;
 use std::process;
 
-use amqp::Basic;
-use ofborg::easyamqp;
-use ofborg::easyamqp::TypedWrappers;
-use ofborg::stats;
-use ofborg::worker;
-
 fn main() {
     let memory_info = sys_info::mem_info().expect("Unable to get memory information from OS");
 
diff --git a/ofborg/src/bin/simple-build.rs b/ofborg/src/bin/simple-build.rs
index d87f99e..8415c24 100644
--- a/ofborg/src/bin/simple-build.rs
+++ b/ofborg/src/bin/simple-build.rs
@@ -1,11 +1,7 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate ofborg;
-
-use std::env;
-
 use ofborg::config;
 use ofborg::nix;
+
+use std::env;
 use std::fs::File;
 use std::io::Read;
 use std::path::Path;
diff --git a/ofborg/src/bin/stats.rs b/ofborg/src/bin/stats.rs
index e9d8166..29d640b 100644
--- a/ofborg/src/bin/stats.rs
+++ b/ofborg/src/bin/stats.rs
@@ -1,14 +1,9 @@
-extern crate amqp;
-extern crate hyper;
-extern crate ofborg;
-
-use ofborg::{config, easyamqp, stats, tasks, worker};
-use std::env;
-
 use amqp::Basic;
 use hyper::server::{Request, Response, Server};
 use ofborg::easyamqp::TypedWrappers;
+use ofborg::{config, easyamqp, stats, tasks, worker};
 
+use std::env;
 use std::thread;
 
 fn main() {
diff --git a/ofborg/src/checkout.rs b/ofborg/src/checkout.rs
index d72305a..2b4da1f 100644
--- a/ofborg/src/checkout.rs
+++ b/ofborg/src/checkout.rs
@@ -1,8 +1,6 @@
-use md5;
-use ofborg::clone;
-use ofborg::clone::GitClonable;
-use std::ffi::OsStr;
-use std::ffi::OsString;
+use crate::clone::{self, GitClonable};
+
+use std::ffi::{OsStr, OsString};
 use std::fs;
 use std::io::{Error, ErrorKind};
 use std::path::{Path, PathBuf};
@@ -253,7 +251,7 @@ impl clone::GitClonable for CachedProject {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use ofborg::test_scratch::TestScratch;
+    use crate::test_scratch::TestScratch;
     use std::path::{Path, PathBuf};
     use std::process::{Command, Stdio};
 
diff --git a/ofborg/src/clone.rs b/ofborg/src/clone.rs
index 2b20110..8b762b0 100644
--- a/ofborg/src/clone.rs
+++ b/ofborg/src/clone.rs
@@ -1,4 +1,5 @@
 use fs2::FileExt;
+
 use std::ffi::OsStr;
 use std::fs;
 use std::io::{Error, ErrorKind};
diff --git a/ofborg/src/commentparser.rs b/ofborg/src/commentparser.rs
index f7b8896..16eaa52 100644
--- a/ofborg/src/commentparser.rs
+++ b/ofborg/src/commentparser.rs
@@ -16,16 +16,21 @@ pub fn parse(text: &str) -> Option<Vec<Instruction>> {
     }
 }
 
-named!(normal_token(CompleteStr) -> CompleteStr,
-    verify!(take_while1!(|c: char| c.is_ascii_graphic()),
-            |s: CompleteStr| !s.0.eq_ignore_ascii_case("@grahamcofborg"))
+named!(
+    normal_token(CompleteStr) -> CompleteStr,
+    verify!(
+        take_while1!(|c: char| c.is_ascii_graphic()),
+        |s: CompleteStr| !s.0.eq_ignore_ascii_case("@grahamcofborg")
+    )
 );
-named!(parse_line_impl(CompleteStr) -> Option<Vec<Instruction>>, alt!(
-    do_parse!(
-        res: ws!(many1!(ws!(preceded!(
-            alt!(tag_no_case!("@grahamcofborg") | tag_no_case!("@ofborg")),
-            alt!(
-                ws!(do_parse!(
+named!(
+    parse_line_impl(CompleteStr) -> Option<Vec<Instruction>>,
+    alt!(
+        do_parse!(
+            res: ws!(many1!(ws!(preceded!(
+                alt!(tag_no_case!("@grahamcofborg") | tag_no_case!("@ofborg")),
+                alt!(
+                    ws!(do_parse!(
                     tag!("build") >>
                     pkgs: ws!(many1!(map!(normal_token, |s| s.0.to_owned()))) >>
                     (Some(Instruction::Build(Subset::Nixpkgs, pkgs)))
@@ -40,13 +45,12 @@ named!(parse_line_impl(CompleteStr) -> Option<Vec<Instruction>>, alt!(
                 // it would be better to return an error so that the caller would know one of the
                 // commands couldn't be handled?
                 value!(None, many_till!(take!(1), tag_no_case!("@grahamcofborg")))
-            )
-        )))) >>
-        eof!() >>
-        (Some(res.into_iter().filter_map(|x| x).collect()))
-    ) |
-    value!(None)
-));
+                )
+            )))) >> eof!()
+                >> (Some(res.into_iter().filter_map(|x| x).collect()))
+        ) | value!(None)
+    )
+);
 
 pub fn parse_line(text: &str) -> Option<Vec<Instruction>> {
     match parse_line_impl(CompleteStr(text)) {
diff --git a/ofborg/src/commitstatus.rs b/ofborg/src/commitstatus.rs
index 7ac5379..7f0d70f 100644
--- a/ofborg/src/commitstatus.rs
+++ b/ofborg/src/commitstatus.rs
@@ -1,8 +1,3 @@
-extern crate amqp;
-extern crate env_logger;
-
-use hubcaps;
-
 pub struct CommitStatus<'a> {
     api: hubcaps::statuses::Statuses<'a>,
     sha: String,
diff --git a/ofborg/src/config.rs b/ofborg/src/config.rs
index 0854743..c79a0dc 100644
--- a/ofborg/src/config.rs
+++ b/ofborg/src/config.rs
@@ -1,10 +1,11 @@
+use crate::acl;
+use crate::nix::Nix;
+
 use hubcaps::{Credentials, Github, InstallationTokenGenerator, JWTCredentials};
 use hyper::net::HttpsConnector;
 use hyper::Client;
 use hyper_native_tls::NativeTlsClient;
-use nix::Nix;
-use ofborg::acl;
-use serde_json;
+
 use std::collections::HashMap;
 use std::fs::File;
 use std::io::Read;
diff --git a/ofborg/src/easyamqp.rs b/ofborg/src/easyamqp.rs
index 68f0fe3..412d753 100644
--- a/ofborg/src/easyamqp.rs
+++ b/ofborg/src/easyamqp.rs
@@ -1,7 +1,7 @@
-use amqp;
+use crate::config::RabbitMQConfig;
+use crate::ofborg;
+
 use amqp::Basic;
-use ofborg;
-use ofborg::config::RabbitMQConfig;
 
 pub struct ConsumeConfig {
     /// Specifies the name of the queue to consume from.
diff --git a/ofborg/src/evalchecker.rs b/ofborg/src/evalchecker.rs
index acf981a..d34b5ab 100644
--- a/ofborg/src/evalchecker.rs
+++ b/ofborg/src/evalchecker.rs
@@ -1,7 +1,5 @@
-extern crate amqp;
-extern crate env_logger;
+use crate::nix;
 
-use ofborg::nix;
 use std::fs::File;
 use std::path::Path;
 
diff --git a/ofborg/src/ghevent/issuecomment.rs b/ofborg/src/ghevent/issuecomment.rs
index 14429b8..63ae601 100644
--- a/ofborg/src/ghevent/issuecomment.rs
+++ b/ofborg/src/ghevent/issuecomment.rs
@@ -1,4 +1,4 @@
-use ofborg::ghevent::{Comment, Issue, Repository};
+use crate::ghevent::{Comment, Issue, Repository};
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct IssueComment {
diff --git a/ofborg/src/ghevent/pullrequestevent.rs b/ofborg/src/ghevent/pullrequestevent.rs
index 38b6361..3c15c50 100644
--- a/ofborg/src/ghevent/pullrequestevent.rs
+++ b/ofborg/src/ghevent/pullrequestevent.rs
@@ -1,4 +1,4 @@
-use ofborg::ghevent::Repository;
+use crate::ghevent::Repository;
 
 #[derive(Serialize, Deserialize)]
 pub struct PullRequestEvent {
diff --git a/ofborg/src/lib.rs b/ofborg/src/lib.rs
index d8abbb8..c752a38 100644
--- a/ofborg/src/lib.rs
+++ b/ofborg/src/lib.rs
@@ -7,9 +7,6 @@
 
 #[macro_use]
 extern crate serde_derive;
-extern crate serde;
-
-extern crate serde_json;
 
 #[macro_use]
 extern crate log;
@@ -17,20 +14,6 @@ extern crate log;
 #[macro_use]
 extern crate nom;
 
-extern crate amqp;
-extern crate chrono;
-extern crate either;
-extern crate env_logger;
-extern crate fs2;
-extern crate hubcaps;
-extern crate hyper;
-extern crate hyper_native_tls;
-extern crate lru_cache;
-extern crate md5;
-extern crate separator;
-extern crate tempfile;
-extern crate uuid;
-
 use std::env;
 
 pub mod acl;
@@ -61,29 +44,29 @@ pub mod worker;
 pub mod writetoline;
 
 pub mod ofborg {
-    pub use acl;
-    pub use asynccmd;
-    pub use checkout;
-    pub use clone;
-    pub use commentparser;
-    pub use commitstatus;
-    pub use config;
-    pub use easyamqp;
-    pub use evalchecker;
-    pub use files;
-    pub use ghevent;
-    pub use locks;
-    pub use message;
-    pub use nix;
-    pub use notifyworker;
-    pub use outpathdiff;
-    pub use stats;
-    pub use systems;
-    pub use tagger;
-    pub use tasks;
-    pub use test_scratch;
-    pub use worker;
-    pub use writetoline;
+    pub use crate::acl;
+    pub use crate::asynccmd;
+    pub use crate::checkout;
+    pub use crate::clone;
+    pub use crate::commentparser;
+    pub use crate::commitstatus;
+    pub use crate::config;
+    pub use crate::easyamqp;
+    pub use crate::evalchecker;
+    pub use crate::files;
+    pub use crate::ghevent;
+    pub use crate::locks;
+    pub use crate::message;
+    pub use crate::nix;
+    pub use crate::notifyworker;
+    pub use crate::outpathdiff;
+    pub use crate::stats;
+    pub use crate::systems;
+    pub use crate::tagger;
+    pub use crate::tasks;
+    pub use crate::test_scratch;
+    pub use crate::worker;
+    pub use crate::writetoline;
 
     pub const VERSION: &str = env!("CARGO_PKG_VERSION");
 
diff --git a/ofborg/src/locks.rs b/ofborg/src/locks.rs
index f956642..d1d2ee4 100644
--- a/ofborg/src/locks.rs
+++ b/ofborg/src/locks.rs
@@ -1,4 +1,5 @@
 use fs2::FileExt;
+
 use std::fs;
 use std::io::Error;
 use std::path::PathBuf;
diff --git a/ofborg/src/maintainers.rs b/ofborg/src/maintainers.rs
index be9899c..8d1090c 100644
--- a/ofborg/src/maintainers.rs
+++ b/ofborg/src/maintainers.rs
@@ -1,8 +1,10 @@
-use ofborg::nix::Nix;
+use crate::nix::Nix;
+
+use tempfile::NamedTempFile;
+
 use std::collections::{HashMap, HashSet};
 use std::io::Write;
 use std::path::Path;
-use tempfile::NamedTempFile;
 
 #[derive(Deserialize, Debug, Eq, PartialEq)]
 pub struct ImpactedMaintainers(HashMap<Maintainer, Vec<Package>>);
@@ -125,9 +127,9 @@ impl std::fmt::Display for ImpactedMaintainers {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use checkout::cached_cloner;
-    use clone::GitClonable;
-    use ofborg::test_scratch::TestScratch;
+    use crate::checkout::cached_cloner;
+    use crate::clone::GitClonable;
+    use crate::test_scratch::TestScratch;
     use std::env;
     use std::ffi::OsStr;
     use std::path::{Path, PathBuf};
diff --git a/ofborg/src/message/buildjob.rs b/ofborg/src/message/buildjob.rs
index 88362a9..f9e73d7 100644
--- a/ofborg/src/message/buildjob.rs
+++ b/ofborg/src/message/buildjob.rs
@@ -1,6 +1,5 @@
-use ofborg::commentparser::Subset;
-use ofborg::message::{Pr, Repo};
-use serde_json;
+use crate::commentparser::Subset;
+use crate::message::{Pr, Repo};
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct BuildJob {
diff --git a/ofborg/src/message/buildresult.rs b/ofborg/src/message/buildresult.rs
index 56953ba..acb85c2 100644
--- a/ofborg/src/message/buildresult.rs
+++ b/ofborg/src/message/buildresult.rs
@@ -1,5 +1,6 @@
+use crate::message::{Pr, Repo};
+
 use hubcaps::checks::Conclusion;
-use ofborg::message::{Pr, Repo};
 
 #[derive(Serialize, Deserialize, Clone, Debug, PartialEq)]
 pub enum BuildStatus {
diff --git a/ofborg/src/message/evaluationjob.rs b/ofborg/src/message/evaluationjob.rs
index 0042acd..e2d9358 100644
--- a/ofborg/src/message/evaluationjob.rs
+++ b/ofborg/src/message/evaluationjob.rs
@@ -1,6 +1,5 @@
-use ofborg::message::{Pr, Repo};
-use ofborg::worker;
-use serde_json;
+use crate::message::{Pr, Repo};
+use crate::worker;
 
 pub fn from(data: &[u8]) -> Result<EvaluationJob, serde_json::error::Error> {
     serde_json::from_slice(&data)
diff --git a/ofborg/src/nix.rs b/ofborg/src/nix.rs
index ff9276e..0a156f4 100644
--- a/ofborg/src/nix.rs
+++ b/ofborg/src/nix.rs
@@ -1,17 +1,16 @@
-use ofborg::asynccmd::{AsyncCmd, SpawnedAsyncCmd};
-use ofborg::partition_result;
+use crate::asynccmd::{AsyncCmd, SpawnedAsyncCmd};
+use crate::ofborg::partition_result;
+
+use tempfile::tempfile;
+
 use std::collections::HashMap;
 use std::env;
 use std::ffi::OsStr;
 use std::fmt;
 use std::fs;
-use std::io::BufRead;
-use std::io::BufReader;
-use std::io::Seek;
-use std::io::SeekFrom;
+use std::io::{BufRead, BufReader, Seek, SeekFrom};
 use std::path::Path;
 use std::process::{Command, Stdio};
-use tempfile::tempfile;
 
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub enum File {
diff --git a/ofborg/src/nixenv.rs b/ofborg/src/nixenv.rs
index 5b97a5d..80afa98 100644
--- a/ofborg/src/nixenv.rs
+++ b/ofborg/src/nixenv.rs
@@ -1,16 +1,11 @@
-/// Evaluates the expression like Hydra would, with regards to
-/// architecture support and recursed packages.
+//! Evaluates the expression like Hydra would, with regards to
+//! architecture support and recursed packages.
+use crate::nix;
 use crate::nixstats::EvaluationStats;
 use crate::outpathdiff;
-use ofborg::nix;
-use serde_json;
-use std::fs;
-use std::fs::File;
-use std::io::Read;
-use std::io::Seek;
-use std::io::SeekFrom;
-use std::io::Write;
-use std::io::{BufRead, BufReader};
+
+use std::fs::{self, File};
+use std::io::{BufRead, BufReader, Read, Seek, SeekFrom, Write};
 use std::path::PathBuf;
 
 pub struct HydraNixEnv {
@@ -42,11 +37,11 @@ impl HydraNixEnv {
                 .lines()
                 .collect::<Result<Vec<String>, _>>()?
                 .into_iter()
-                .filter(|msg| msg.trim().len() > 0)
+                .filter(|msg| !msg.trim().is_empty())
                 .filter(|line| !nix::is_user_setting_warning(line))
                 .collect::<Vec<String>>();
 
-            if evaluation_errors.len() > 0 {
+            if !evaluation_errors.is_empty() {
                 return Err(Error::UncleanEvaluation(evaluation_errors));
             }
 
@@ -105,7 +100,8 @@ impl HydraNixEnv {
 
         let (status, stdout, stderr) = self.nix.run_stderr_stdout(cmd);
         let stats = File::open(self.outpath_stats_path());
-        return (status, stdout, stderr, stats);
+
+        (status, stdout, stderr, stats)
     }
 }
 
diff --git a/ofborg/src/nixstats.rs b/ofborg/src/nixstats.rs
index e53a59a..52d6a9a 100644
--- a/ofborg/src/nixstats.rs
+++ b/ofborg/src/nixstats.rs
@@ -1,5 +1,6 @@
+//! Statistics emitted by Nix when NIX_SHOW_STATS=1
 use separator::Separatable;
-/// Statistics emitted by Nix when NIX_SHOW_STATS=1
+
 use std::collections::HashMap;
 
 #[derive(Deserialize)]
diff --git a/ofborg/src/notifyworker.rs b/ofborg/src/notifyworker.rs
index aa125be..08193f1 100644
--- a/ofborg/src/notifyworker.rs
+++ b/ofborg/src/notifyworker.rs
@@ -1,8 +1,9 @@
+use crate::worker::Action;
+
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use amqp::Basic;
-use amqp::{Channel, Consumer};
+use amqp::{Basic, Channel, Consumer};
+
 use std::marker::Send;
-use worker::Action;
 
 pub struct NotifyWorker<T: SimpleNotifyWorker> {
     internal: T,
diff --git a/ofborg/src/outpathdiff.rs b/ofborg/src/outpathdiff.rs
index 668367c..86de6ea 100644
--- a/ofborg/src/outpathdiff.rs
+++ b/ofborg/src/outpathdiff.rs
@@ -1,10 +1,9 @@
-use crate::nixenv::Error as NixEnvError;
-use crate::nixenv::HydraNixEnv;
+use crate::nix;
+use crate::nixenv::{Error as NixEnvError, HydraNixEnv};
 use crate::nixstats::{EvaluationStats, EvaluationStatsDiff};
-use ofborg::nix;
+
 use std::collections::{HashMap, HashSet};
 use std::io::BufRead;
-
 use std::path::PathBuf;
 
 pub struct OutPathDiff {
diff --git a/ofborg/src/stats.rs b/ofborg/src/stats.rs
index 86720e7..c9bde24 100644
--- a/ofborg/src/stats.rs
+++ b/ofborg/src/stats.rs
@@ -1,7 +1,5 @@
 use amqp::protocol::basic::BasicProperties;
-use amqp::Basic;
-use amqp::Channel;
-use serde_json;
+use amqp::{Basic, Channel};
 
 include!(concat!(env!("OUT_DIR"), "/events.rs"));
 
diff --git a/ofborg/src/tagger.rs b/ofborg/src/tagger.rs
index b2d0d2b..c20d30a 100644
--- a/ofborg/src/tagger.rs
+++ b/ofborg/src/tagger.rs
@@ -1,6 +1,7 @@
 use crate::maintainers::{Maintainer, MaintainersByPackage};
-use ofborg::outpathdiff::PackageArch;
-use ofborg::tasks;
+use crate::outpathdiff::PackageArch;
+use crate::tasks;
+
 use std::collections::HashMap;
 
 pub struct StdenvTagger {
diff --git a/ofborg/src/tasks/build.rs b/ofborg/src/tasks/build.rs
index f5ed3d0..bdf8158 100644
--- a/ofborg/src/tasks/build.rs
+++ b/ofborg/src/tasks/build.rs
@@ -1,20 +1,15 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate uuid;
-
-use uuid::Uuid;
-
-use ofborg::checkout;
-use ofborg::commentparser;
-use ofborg::message::buildjob;
-use ofborg::message::buildlogmsg;
-use ofborg::message::buildresult::{BuildResult, BuildStatus, V1Tag};
-use ofborg::nix;
-use std::collections::VecDeque;
+use crate::checkout;
+use crate::commentparser;
+use crate::message::buildresult::{BuildResult, BuildStatus, V1Tag};
+use crate::message::{buildjob, buildlogmsg};
+use crate::nix;
+use crate::notifyworker;
+use crate::worker;
 
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use ofborg::notifyworker;
-use ofborg::worker;
+use uuid::Uuid;
+
+use std::collections::VecDeque;
 
 pub struct BuildWorker {
     cloner: checkout::CachedCloner,
@@ -394,9 +389,9 @@ impl notifyworker::SimpleNotifyWorker for BuildWorker {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use notifyworker::SimpleNotifyWorker;
-    use ofborg::message::{Pr, Repo};
-    use ofborg::test_scratch::TestScratch;
+    use crate::message::{Pr, Repo};
+    use crate::notifyworker::SimpleNotifyWorker;
+    use crate::test_scratch::TestScratch;
     use std::env;
     use std::path::{Path, PathBuf};
     use std::process::{Command, Stdio};
diff --git a/ofborg/src/tasks/eval/generic.rs b/ofborg/src/tasks/eval/generic.rs
index b9ee1e2..bdcfdfe 100644
--- a/ofborg/src/tasks/eval/generic.rs
+++ b/ofborg/src/tasks/eval/generic.rs
@@ -1,8 +1,9 @@
-use ofborg::checkout::CachedProjectCo;
-use ofborg::commitstatus::CommitStatus;
-use ofborg::evalchecker::EvalChecker;
+use crate::checkout::CachedProjectCo;
+use crate::commitstatus::CommitStatus;
+use crate::evalchecker::EvalChecker;
+use crate::tasks::eval::{EvaluationComplete, EvaluationStrategy, StepResult};
+
 use std::path::Path;
-use tasks::eval::{EvaluationComplete, EvaluationStrategy, StepResult};
 
 #[derive(Default)]
 pub struct GenericStrategy {}
diff --git a/ofborg/src/tasks/eval/mod.rs b/ofborg/src/tasks/eval/mod.rs
index 3ed2376..4e32ee6 100644
--- a/ofborg/src/tasks/eval/mod.rs
+++ b/ofborg/src/tasks/eval/mod.rs
@@ -1,14 +1,17 @@
-pub mod stdenvs;
-pub use self::stdenvs::Stdenvs;
-mod nixpkgs;
-pub use self::nixpkgs::NixpkgsStrategy;
 mod generic;
+mod nixpkgs;
+pub mod stdenvs;
+
 pub use self::generic::GenericStrategy;
+pub use self::nixpkgs::NixpkgsStrategy;
+pub use self::stdenvs::Stdenvs;
+use crate::checkout::CachedProjectCo;
+use crate::commitstatus::{CommitStatus, CommitStatusError};
+use crate::evalchecker::EvalChecker;
+use crate::message::buildjob::BuildJob;
+
 use hubcaps::checks::CheckRunOptions;
-use ofborg::checkout::CachedProjectCo;
-use ofborg::commitstatus::{CommitStatus, CommitStatusError};
-use ofborg::evalchecker::EvalChecker;
-use ofborg::message::buildjob::BuildJob;
+
 use std::path::Path;
 
 pub trait EvaluationStrategy {
diff --git a/ofborg/src/tasks/eval/nixpkgs.rs b/ofborg/src/tasks/eval/nixpkgs.rs
index baa3c80..807e8f1 100644
--- a/ofborg/src/tasks/eval/nixpkgs.rs
+++ b/ofborg/src/tasks/eval/nixpkgs.rs
@@ -1,30 +1,30 @@
-use crate::maintainers;
-use crate::maintainers::ImpactedMaintainers;
+use crate::checkout::CachedProjectCo;
+use crate::commentparser::Subset;
+use crate::commitstatus::CommitStatus;
+use crate::evalchecker::EvalChecker;
+use crate::maintainers::{self, ImpactedMaintainers};
+use crate::message::buildjob::BuildJob;
+use crate::message::evaluationjob::EvaluationJob;
+use crate::nix::{self, Nix};
 use crate::nixenv::HydraNixEnv;
+use crate::outpathdiff::{OutPathDiff, PackageArch};
+use crate::tagger::{
+    MaintainerPRTagger, PathsTagger, PkgsAddedRemovedTagger, RebuildTagger, StdenvTagger,
+};
+use crate::tasks::eval::{
+    stdenvs::Stdenvs, Error, EvaluationComplete, EvaluationStrategy, StepResult,
+};
+use crate::tasks::evaluate::{make_gist, update_labels};
+
 use chrono::Utc;
 use hubcaps::checks::{CheckRunOptions, CheckRunState, Conclusion, Output};
 use hubcaps::gists::Gists;
 use hubcaps::issues::{Issue, IssueRef};
 use hubcaps::repositories::Repository;
-use ofborg::checkout::CachedProjectCo;
-use ofborg::commentparser::Subset;
-use ofborg::commitstatus::CommitStatus;
-use ofborg::evalchecker::EvalChecker;
-use ofborg::message::buildjob::BuildJob;
-use ofborg::message::evaluationjob::EvaluationJob;
-use ofborg::nix;
-use ofborg::nix::Nix;
-use ofborg::outpathdiff::{OutPathDiff, PackageArch};
-use ofborg::tagger::{MaintainerPRTagger, PathsTagger, RebuildTagger};
-use ofborg::tagger::{PkgsAddedRemovedTagger, StdenvTagger};
-use ofborg::tasks::eval::{
-    stdenvs::Stdenvs, Error, EvaluationComplete, EvaluationStrategy, StepResult,
-};
-use ofborg::tasks::evaluate::update_labels;
+use uuid::Uuid;
+
 use std::collections::HashMap;
 use std::path::Path;
-use tasks::evaluate::make_gist;
-use uuid::Uuid;
 
 pub struct NixpkgsStrategy<'a> {
     job: &'a EvaluationJob,
diff --git a/ofborg/src/tasks/eval/stdenvs.rs b/ofborg/src/tasks/eval/stdenvs.rs
index b54cf7c..c5aa857 100644
--- a/ofborg/src/tasks/eval/stdenvs.rs
+++ b/ofborg/src/tasks/eval/stdenvs.rs
@@ -1,5 +1,6 @@
-use ofborg::files::file_to_str;
-use ofborg::nix;
+use crate::files::file_to_str;
+use crate::nix;
+
 use std::path::PathBuf;
 
 enum StdenvFrom {
diff --git a/ofborg/src/tasks/evaluate.rs b/ofborg/src/tasks/evaluate.rs
index 4f7362b..95a59b9 100644
--- a/ofborg/src/tasks/evaluate.rs
+++ b/ofborg/src/tasks/evaluate.rs
@@ -1,28 +1,25 @@
 /// This is what evaluates every pull-request
-extern crate amqp;
-extern crate env_logger;
-extern crate uuid;
+use crate::acl::ACL;
+use crate::checkout;
+use crate::commitstatus::{CommitStatus, CommitStatusError};
+use crate::config::GithubAppVendingMachine;
+use crate::files::file_to_str;
+use crate::message::{buildjob, evaluationjob};
+use crate::nix;
+use crate::stats::{self, Event};
+use crate::systems;
+use crate::tasks::eval;
+use crate::worker;
+
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use hubcaps;
 use hubcaps::checks::CheckRunOptions;
 use hubcaps::gists::Gists;
 use hubcaps::issues::Issue;
-use ofborg::acl::ACL;
-use ofborg::checkout;
-use ofborg::commitstatus::{CommitStatus, CommitStatusError};
-use ofborg::config::GithubAppVendingMachine;
-use ofborg::files::file_to_str;
-use ofborg::message::{buildjob, evaluationjob};
-use ofborg::nix;
-use ofborg::stats;
-use ofborg::stats::Event;
-use ofborg::systems;
-use ofborg::worker;
+
 use std::collections::HashMap;
 use std::path::Path;
 use std::sync::RwLock;
 use std::time::Instant;
-use tasks::eval;
 
 pub struct EvaluationWorker<E> {
     cloner: checkout::CachedCloner,
@@ -126,6 +123,7 @@ struct OneEval<'a, E> {
 }
 
 impl<'a, E: stats::SysEvents + 'static> OneEval<'a, E> {
+    #[allow(clippy::too_many_arguments)]
     fn new(
         client_app: &'a hubcaps::Github,
         client_legacy: &'a hubcaps::Github,
@@ -236,7 +234,7 @@ impl<'a, E: stats::SysEvents + 'static> OneEval<'a, E> {
             }
         }
 
-        return self.actions().skip(&self.job);
+        self.actions().skip(&self.job)
     }
 
     fn evaluate_job(&mut self) -> Result<worker::Actions, EvalWorkerError> {
diff --git a/ofborg/src/tasks/evaluationfilter.rs b/ofborg/src/tasks/evaluationfilter.rs
index 82feec8..886e65a 100644
--- a/ofborg/src/tasks/evaluationfilter.rs
+++ b/ofborg/src/tasks/evaluationfilter.rs
@@ -1,13 +1,9 @@
-extern crate amqp;
-extern crate env_logger;
-
-use ofborg::acl;
-use ofborg::ghevent;
-use serde_json;
+use crate::acl;
+use crate::ghevent;
+use crate::message::{evaluationjob, Pr, Repo};
+use crate::worker;
 
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use ofborg::message::{evaluationjob, Pr, Repo};
-use ofborg::worker;
 
 pub struct EvaluationFilterWorker {
     acl: acl::ACL,
@@ -107,7 +103,7 @@ impl worker::SimpleWorker for EvaluationFilterWorker {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use worker::SimpleWorker;
+    use crate::worker::SimpleWorker;
 
     #[test]
     fn changed_base() {
diff --git a/ofborg/src/tasks/githubcommentfilter.rs b/ofborg/src/tasks/githubcommentfilter.rs
index 79e76e3..28b0859 100644
--- a/ofborg/src/tasks/githubcommentfilter.rs
+++ b/ofborg/src/tasks/githubcommentfilter.rs
@@ -1,17 +1,11 @@
-extern crate amqp;
-extern crate env_logger;
-extern crate uuid;
-
-use ofborg::acl;
-use ofborg::ghevent;
-use serde_json;
-use uuid::Uuid;
+use crate::acl;
+use crate::commentparser;
+use crate::ghevent;
+use crate::message::{buildjob, evaluationjob, Pr, Repo};
+use crate::worker;
 
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use hubcaps;
-use ofborg::commentparser;
-use ofborg::message::{buildjob, evaluationjob, Pr, Repo};
-use ofborg::worker;
+use uuid::Uuid;
 
 pub struct GitHubCommentWorker {
     acl: acl::ACL,
diff --git a/ofborg/src/tasks/githubcommentposter.rs b/ofborg/src/tasks/githubcommentposter.rs
index 34871a7..6a27dc1 100644
--- a/ofborg/src/tasks/githubcommentposter.rs
+++ b/ofborg/src/tasks/githubcommentposter.rs
@@ -1,16 +1,12 @@
-extern crate amqp;
-extern crate env_logger;
-
-use serde_json;
+use crate::config::GithubAppVendingMachine;
+use crate::message::buildjob::{BuildJob, QueuedBuildJobs};
+use crate::message::buildresult::{BuildResult, BuildStatus, LegacyBuildResult};
+use crate::message::Repo;
+use crate::worker;
 
 use amqp::protocol::basic::{BasicProperties, Deliver};
 use chrono::{DateTime, Utc};
 use hubcaps::checks::{CheckRunOptions, CheckRunState, Conclusion, Output};
-use message::buildjob::{BuildJob, QueuedBuildJobs};
-use ofborg::config::GithubAppVendingMachine;
-use ofborg::message::buildresult::{BuildResult, BuildStatus, LegacyBuildResult};
-use ofborg::message::Repo;
-use ofborg::worker;
 
 pub struct GitHubCommentPoster {
     github_vend: GithubAppVendingMachine,
@@ -210,8 +206,8 @@ fn list_segment(name: &str, things: &[String]) -> Vec<String> {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::message::{Pr, Repo};
     use chrono::TimeZone;
-    use message::{Pr, Repo};
 
     #[test]
     pub fn test_queued_build() {
diff --git a/ofborg/src/tasks/log_message_collector.rs b/ofborg/src/tasks/log_message_collector.rs
index d13ac8b..8405a66 100644
--- a/ofborg/src/tasks/log_message_collector.rs
+++ b/ofborg/src/tasks/log_message_collector.rs
@@ -1,17 +1,14 @@
-extern crate amqp;
-extern crate env_logger;
-use lru_cache::LruCache;
-use serde_json;
-use std::fs;
-use std::fs::{File, OpenOptions};
-use std::io::Write;
-use std::path::{Component, PathBuf};
+use crate::message::buildlogmsg::{BuildLogMsg, BuildLogStart};
+use crate::message::buildresult::BuildResult;
+use crate::worker;
+use crate::writetoline::LineWriter;
 
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use ofborg::message::buildlogmsg::{BuildLogMsg, BuildLogStart};
-use ofborg::message::buildresult::BuildResult;
-use ofborg::worker;
-use ofborg::writetoline::LineWriter;
+use lru_cache::LruCache;
+
+use std::fs::{self, File, OpenOptions};
+use std::io::Write;
+use std::path::{Component, PathBuf};
 
 #[derive(Eq, PartialEq, Hash, Debug, Clone)]
 pub struct LogFrom {
@@ -237,10 +234,10 @@ impl worker::SimpleWorker for LogMessageCollector {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use ofborg::message::buildresult::{BuildStatus, V1Tag};
-    use ofborg::message::{Pr, Repo};
-    use ofborg::test_scratch::TestScratch;
-    use ofborg::worker::SimpleWorker;
+    use crate::message::buildresult::{BuildStatus, V1Tag};
+    use crate::message::{Pr, Repo};
+    use crate::test_scratch::TestScratch;
+    use crate::worker::SimpleWorker;
     use std::io::Read;
     use std::path::PathBuf;
 
diff --git a/ofborg/src/tasks/statscollector.rs b/ofborg/src/tasks/statscollector.rs
index 24c7186..a28fa11 100644
--- a/ofborg/src/tasks/statscollector.rs
+++ b/ofborg/src/tasks/statscollector.rs
@@ -1,10 +1,7 @@
-extern crate amqp;
-extern crate env_logger;
+use crate::stats;
+use crate::worker;
 
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use ofborg::stats;
-use ofborg::worker;
-use serde_json;
 
 pub struct StatCollectorWorker<E> {
     events: E,
diff --git a/ofborg/src/worker.rs b/ofborg/src/worker.rs
index eb75f61..afa4069 100644
--- a/ofborg/src/worker.rs
+++ b/ofborg/src/worker.rs
@@ -1,8 +1,7 @@
 use amqp::protocol::basic::{BasicProperties, Deliver};
-use amqp::Basic;
-use amqp::{Channel, Consumer};
+use amqp::{Basic, Channel, Consumer};
 use serde::Serialize;
-use serde_json;
+
 use std::marker::Send;
 
 pub struct Worker<T: SimpleWorker> {
diff --git a/ofborg/src/writetoline.rs b/ofborg/src/writetoline.rs
index cbe8f68..a1a3118 100644
--- a/ofborg/src/writetoline.rs
+++ b/ofborg/src/writetoline.rs
@@ -1,9 +1,5 @@
 use std::fs::File;
-use std::io::BufRead;
-use std::io::BufReader;
-use std::io::Seek;
-use std::io::SeekFrom;
-use std::io::Write;
+use std::io::{BufRead, BufReader, Seek, SeekFrom, Write};
 
 pub struct LineWriter {
     file: File,
@@ -84,7 +80,7 @@ impl LineWriter {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use ofborg::test_scratch::TestScratch;
+    use crate::test_scratch::TestScratch;
     use std::fs::File;
     use std::fs::OpenOptions;
     use std::io::Read;