ci: refresh Actions, restore fmt, and cache with rust-cache

.github/actions/setup-equilibrium/README.md

@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Equilibrium
         uses: tschk/equilibrium/.github/actions/setup-equilibrium@main
@@ -52,7 +52,7 @@ jobs:
 
 ## Supported Compilers
 
-- **Zig**: Installed via goto-bus-stop/setup-zig@v2
+- **Zig**: Installed via mlugg/setup-zig@v2
 - **Nim**: Installed via apt (Ubuntu) or brew (macOS)
 - **D (LDC)**: Installed via apt (Ubuntu) or brew (macOS)
 - **C/C++**: Already available on all platforms

.github/actions/setup-equilibrium/action.yml

@@ -33,20 +33,14 @@ runs:
       uses: dtolnay/rust-toolchain@master
       with:
         toolchain: ${{ inputs.rust-version }}
-    
+
     - name: Cache cargo
       if: inputs.cache == 'true'
-      uses: actions/cache@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ${{ runner.os }}-equilibrium-${{ hashFiles('**/Cargo.lock') }}
-
+      uses: Swatinem/rust-cache@v2
+
     - name: Install Zig
       if: inputs.install-zig == 'true'
-      uses: goto-bus-stop/setup-zig@v2
+      uses: mlugg/setup-zig@v2
       with:
         version: 0.13.0
 

.github/workflows/ci.yml

@@ -6,100 +6,105 @@ on:
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always
+  RUSTFLAGS: -D warnings
 
 jobs:
   test:
     name: Test Suite
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         rust: [stable]
-    
+
     steps:
-    - uses: actions/checkout@v4
-    
+    - uses: actions/checkout@v5
+
     - name: Install Rust
-      uses: dtolnay/rust-toolchain@master
+      uses: dtolnay/rust-toolchain@stable
       with:
         toolchain: ${{ matrix.rust }}
-
-    - name: Cache cargo registry
-      uses: actions/cache@v4
-      with:
-        path: ~/.cargo/registry
-        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache cargo build
-      uses: actions/cache@v4
-      with:
-        path: target
-        key: ${{ runner.os }}-cargo-build-${{ hashFiles('**/Cargo.lock') }}
-
+        components: clippy, rustfmt
+
+    - name: Cache cargo
+      uses: Swatinem/rust-cache@v2
+
+    - name: Check formatting
+      run: cargo fmt --all -- --check
+      if: matrix.os == 'ubuntu-latest'
+
     - name: Run tests
       run: cargo test --all-features
-    
+
     - name: Run clippy
-      run: cargo clippy --all-features -- -D warnings
+      run: cargo clippy --all-targets --all-features -- -D warnings
       if: matrix.os == 'ubuntu-latest'
 
   compiler-detection:
     name: Compiler Detection
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest]
-    
+
     steps:
-    - uses: actions/checkout@v4
-    
+    - uses: actions/checkout@v5
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
-
+
+    - name: Cache cargo
+      uses: Swatinem/rust-cache@v2
+
     - name: Install Zig
-      uses: goto-bus-stop/setup-zig@v2
+      uses: mlugg/setup-zig@v2
       with:
         version: 0.13.0
-    
+
     - name: Install Nim (Ubuntu)
       if: runner.os == 'Linux'
       run: |
         sudo apt-get update
         sudo apt-get install -y nim
-    
+
     - name: Install Nim (macOS)
       if: runner.os == 'macOS'
       run: brew install nim
-    
+
     - name: Install D compiler (Ubuntu)
       if: runner.os == 'Linux'
       run: |
         sudo apt-get update
         sudo apt-get install -y ldc
-    
+
     - name: Install D compiler (macOS)
       if: runner.os == 'macOS'
       run: brew install ldc
-    
+
     - name: Run tests with multiple compilers
       run: cargo test --all-features
 
   docs:
     name: Documentation
     runs-on: ubuntu-latest
-    
+
     steps:
-    - uses: actions/checkout@v4
-    
+    - uses: actions/checkout@v5
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
-
+
+    - name: Cache cargo
+      uses: Swatinem/rust-cache@v2
+
     - name: Build docs
       run: cargo doc --all-features --no-deps
-
-    - name: Check docs links
-      run: cargo doc --all-features --no-deps
       env:
         RUSTDOCFLAGS: -D warnings