Test --all-features

Author: sourcefrog

.github/workflows/rust.yml

@@ -14,8 +14,8 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Build
-      run: cargo build --verbose --all-targets
+      run: cargo build --verbose --all-targets --all-features
     - name: Run tests
-      run: cargo test --verbose
+      run: cargo test --verbose --all-features
 
 # vim: sw=2 et