Clippy check std.

Author: Dirbaio

.github/workflows/clippy.yml

@@ -10,5 +10,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: 1.63
+            components: clippy
+            override: true
       - name: Build
         run: cargo clippy
+      - name: Build for std
+        run: cargo clippy --features std