fix github workflow to use rust nightly

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Rust
+name: Rust nightly
 
 on:
   push:
@@ -10,9 +10,20 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+  check:
+    name: Check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
+      - uses: actions/checkout@v2
+      - id: component
+        uses: actions-rs/components-nightly@v1
+        with:
+          component: clippy
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check