ci: adding Rust check dependencies target

rust/.github/workflows/continuous-integration.yml

@@ -49,6 +49,21 @@ jobs:
       - name: Check linting.
         run: nix develop -c make check-${{ matrix.language }}-linting
 
+  dependencies:
+    name: Dependencies
+    runs-on: ${{ matrix.architecture }}
+    strategy:
+      matrix:
+        architecture: [ubuntu-24.04, ubuntu-24.04-arm]
+        language: [rust]
+    steps:
+      - name: Checkout code.
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - name: Setup Nix.
+        uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
+      - name: Check dependencies.
+        run: nix develop -c make check-${{ matrix.language }}-dependencies
+
   compile:
     name: Compile
     runs-on: ${{ matrix.architecture }}

rust/Makefile.jinja

@@ -66,6 +66,10 @@ fix-python-linting:
 check-github-actions-workflows-linting:
 	actionlint -verbose -color
 
+.PHONY: check-rust-dependencies
+check-rust-dependencies:
+	cargo +nightly udeps --all-targets
+
 .PHONY: compile
 compile:
 	cargo build --verbose $(CARGO_LOCKED)

rust/flake.nix.jinja

@@ -52,6 +52,8 @@
             pkgs.ruff
             # GitHub Actions workflows linting.
             pkgs.actionlint
+            # Rust dependencies check.
+            pkgs.cargo-udeps
             # End to end tests.
             pkgs.python313
             pkgs.python313Packages.behave