Builder works!

config.example.json

@@ -0,0 +1,18 @@
+{
+    "runner": {
+        "identity": "grahamc-laptop"
+    },
+    "checkout": {
+        "root": "/home/grahamc/.nix-test-rs"
+    },
+    "nix": {
+        "system": "x86_64-linux",
+        "remote": "daemon"
+    },
+    "rabbitmq": {
+        "ssl": true,
+        "host": "events.nix.gsc.io",
+        "username": "...",
+        "password": "..."
+    }
+}

ofborg/src/bin/builder.rs

@@ -48,7 +48,7 @@ fn main() {
 
     channel.basic_consume(
         worker::new(tasks::build::BuildWorker::new(cloner, nix, cfg.nix.system.clone())),
-        "build-inputs-samples",
+        format!("build-inputs-{}", cfg.nix.system.clone()).as_ref(),
         format!("{}-builder", cfg.whoami()).as_ref(),
         false,
         false,