diff --git a/.travis.yml b/.travis.yml
index a38cef7..8fb0189 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,11 +3,11 @@ nix: 2.1
 sudo: true
 matrix:
   include:
+    - name: cargo pedantry
+      script: nix-shell --run checkPhase --arg useNix1 false -A mozilla-rust-overlay
     - name: checkPhase - Nix 2
       script: nix-shell --run checkPhase --arg useNix1 false
     - name: checkPhase - Nix 2
       script: nix-shell --run checkPhase --arg useNix1 false
     - name: checkPhase - Nix 1
       script: nix-shell --run checkPhase --arg useNix1 true
-    - name: cargo pedantry
-      script: nix-shell --run checkPhase --arg useNix1 false -A mozilla-rust-overlay
diff --git a/shell.nix b/shell.nix
index 4f6b496..37ed31b 100644
--- a/shell.nix
+++ b/shell.nix
@@ -49,6 +49,8 @@ let
       checkPhase() (
         cd "${builtins.toString ./.}/ofborg"
 
+        set -x
+
         cargo fmt
         git diff --exit-code
         cargofmtexit=$?