Revert "Remove clippy for testing (#494)" (#495)

This reverts commit 23c87ad.

.github/workflows/rust_build.yml

@@ -17,6 +17,26 @@ jobs:
       - name: Code format check
         working-directory: ./rust
         run: cargo fmt --check
+  clippy:
+    runs-on: ubuntu-latest
+    name: clippy check
+    permissions: write-all
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install stable
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+      - name: Clippy check
+        uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all-features --manifest-path rust/Cargo.toml -- -D warnings
   doc:
     runs-on: ubuntu-latest
     name: doc check