Reduce CI disk usage.

Author: redboltz

.github/workflows/ci.yml

@@ -20,6 +20,23 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Free Disk Space (Ubuntu)
+      if: runner.os == 'Linux'
+      uses: jlumbroso/free-disk-space@main
+      with:
+        # this might remove tools that are actually needed,
+        # if set to "true" but frees about 6 GB
+        tool-cache: false
+
+        # all of these default to true, but feel free to set to
+        # "false" if necessary for your workflow
+        android: true
+        dotnet: true
+        haskell: true
+        large-packages: true
+        docker-images: true
+        swap-storage: true
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
@@ -76,6 +93,9 @@ jobs:
     - name: Run tests (no-std + tracing, no SSO)
       run: cargo test --verbose --no-default-features --features tracing -- --nocapture
 
+    - name: Clean build artifacts before SSO tests
+      run: cargo clean
+
     - name: Run tests with SSO features
       run: |
         cargo test --verbose --features std,sso-min-32bit -- --nocapture
@@ -98,6 +118,17 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
+    - name: Free Disk Space
+      uses: jlumbroso/free-disk-space@main
+      with:
+        tool-cache: false
+        android: true
+        dotnet: true
+        haskell: true
+        large-packages: true
+        docker-images: true
+        swap-storage: true
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable