ci: split jobs so they run in parallel (#146)

This makes it easier to see which job failed at a glance

Author: joshka

.github/workflows/ci.yml

@@ -10,44 +10,42 @@ on:
 
 jobs:
   build:
-    name: Build & Test
-    runs-on: ubuntu-22.04
+    name: Build
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
-
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: x86_64-unknown-linux-gnu
-          components: rustfmt, clippy
-
       - name: Cache Cargo dependencies
-        uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-      - name: Check the formatting
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: -- --check --verbose
-
+        uses: Swatinem/rust-cache@v2
       - name: Build the project
-        uses: actions-rs/cargo@v1
+        run: cargo check --locked --verbose
+  lint-formatting:
+    name: Lint Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
         with:
-          command: check
-          args: --locked --verbose
-
-      - name: Check the lints
-        uses: actions-rs/cargo@v1
+          components: rustfmt
+      - name: Cache Cargo dependencies
+        uses: Swatinem/rust-cache@v2
+      - name: Check formatting
+        run: cargo fmt --check
+  lint-clippy:
+    name: Lint Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
         with:
-          command: clippy
-          args: --tests --verbose -- -D warnings
-
+          components: clippy
+      - name: Cache Cargo dependencies
+        uses: Swatinem/rust-cache@v2
+      - name: Check Clippy lints
+        run: cargo clippy --tests -- -D warnings