Move to pretty predefined actions

.github/workflows/test.yml

@@ -6,24 +6,11 @@ on:
   pull_request:
     branches: [ main ]
 
-env:
-  CARGO_TERM_COLOR: always
-
 jobs:
   test:
     runs-on: ubuntu-latest
-    container:
-      image: ghcr.io/crystal-linux/crystal:latest
     steps:
-      - name: Prepare
-        run : |
-          pacman -Syu --needed --noconfirm
-          pacman -S --noconfirm rust
-
       - name: Clippy
-        run: |
-          cargo clippy -- -D warnings
-
+        uses: actions-rs/clippy-check@v1.0.7
       - name: Format
-        run: |
-          cargo fmt --check
+        uses: actions-rust-lang/rustfmt@v1.0.0