Fix deps hash for x86_64 natives and show build errors

Author: jcf

.github/workflows/ci.yml

@@ -123,9 +123,12 @@ jobs:
         run: nix profile install nixpkgs#devenv
 
       - name: Build container
+        run: devenv build outputs.${{ matrix.output }}
+
+      - name: Get output path
         id: build
         run: |
-          image_path=$(devenv build outputs.${{ matrix.output }} 2>/dev/null)
+          image_path=$(devenv build outputs.${{ matrix.output }})
           echo "image_path=$image_path" >> "$GITHUB_OUTPUT"
 
       - name: Load and tag image

pkgs/bits-uberjar/default.nix

@@ -28,7 +28,7 @@
 
   # Fixed-output derivation hash for deps. Update when deps.edn changes.
   # To get new hash: change to lib.fakeHash, build, copy hash from error.
-  depsHash = "sha256-wCg6+hsNaoMwd0MyisMLofl+cpiPtuZRqTbNZMGrIFA=";
+  depsHash = "sha256-u9b0YHdQ+7cT/pWln5F5+uryTV9D7eqx4sdmgyDAt28=";
 
   # ---------------------------------------------------------------------------
   # Derived values