Check format to all rs files under src (#1188)

fixed-format of all missing files.
Fixes seanmonstar/reqwest#1186

.github/workflows/ci.yml

@@ -34,6 +34,10 @@ jobs:
           command: fmt
           args: -- --check
 
+      - name: temporary workaround - fmt all files under src
+        # Workaround for rust-lang/cargo#7732
+        run: cargo fmt -- --check $(find . -name '*.rs' -print)
+
   build:
     name: ${{ matrix.name }}
     needs: [style]