fix: ci

.github/workflows/macos.yml

@@ -18,10 +18,9 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable
-          override: true
           components: rustfmt, clippy
       - name: Build
         run: cargo build