ci: clippy check without default features

.github/workflows/ci.yml

@@ -54,6 +54,13 @@ jobs:
         command: clippy
         args: --all-targets -- -D warnings
 
+    - name: Clippy without default features
+      uses: actions-rs/cargo@v1
+      with:
+        command: clippy
+        # TODO: add `--all-targets` once all warnings in examples are resolved
+        args: --no-default-features --features native-tls -- -D warnings
+
   check-wasm:
     name: Check if WASM support compiles
     needs: [clippy]