Split into different jobs

Although some will still fail

.forgejo/workflows/build.yaml

@@ -1,26 +1,58 @@
+---
 on: [push, pull_request]
+
+name: CI
+
 jobs:
-  build:
+  formatting:
+    name: Formatting
     runs-on: docker
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Set up Rust
+        uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+      - name: Check Rust formatting
+        run: cargo fmt --all -- --check
+
+  clippy:
+    name: Clippy
+    runs-on: docker
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Rust
+        uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: clippy
+      - name: Run Clippy
+        run: cargo clippy -- -D warnings
+
+  check:
+    name: Check
+    runs-on: docker
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Rust
+        uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
+      - name: Check for Rust compilation errors
+        run: cargo check
+
+  build:
+    name: Build
+    runs-on: docker
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Rust
+        uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
           python-version: 3.13.2
-          cache: pip
-      - name: Install Python dependencies
         run: pip install -r requirements.txt
-      - name: Set up Rust
-        uses: https://github.com/actions-rust-lang/setup-rust-toolchain@v1
-      - name: Install Rust dependencies
-        run: cargo fetch
-      - name: Check formatting
-        run: cargo fmt --check
-      - name: Build
+      - name: Build Rust code
         run: maturin develop
-      - name: Python tests
-        run: pytest tests/*.py
-      - name: Rust tests
-        run: cargo test