fix CI

Signed-off-by: Ping Yu <[email protected]>

Author: pingyu

.github/workflows/ci.yml

@@ -20,13 +20,16 @@ jobs:
           profile: minimal
           toolchain: nightly
           override: true
+      - run: rustup component add rustfmt clippy
       - name: Install Protoc
         uses: arduino/setup-protoc@v1
         with:
           version: '3.x'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Rust Cache
         uses: Swatinem/[email protected]
+        with:
+          key: ${{ matrix.env }}
       - name: make check
         run: ${{ matrix.env }} make check