Add build and test steps to the pipeline

.gitlab-ci.yml

@@ -1,9 +1,24 @@
 stages:
   - check
+  - build
 
 check:
   stage: check
   tags:
     - nix
   script:
-    - nix flake check
+    - nix develop -c pre-commit run --all-files
+
+build:
+  stage: build
+  tags:
+    - nix
+  script:
+    - nix build
+
+test:
+  stage: build
+  tags:
+    - nix
+  script:
+    - nix develop -c cargo test

flake.nix

@@ -88,7 +88,6 @@
                 trim-trailing-whitespace.enable = true;
                 # Rust hooks
                 cargo-check.enable = true;
-                clippy.enable = true;
                 rustfmt.enable = true;
               };
             };