Switch to hecrj/setup-rust-action

The action registers problem matchers to highlight errors and warnings.

.github/workflows/ci.yml

@@ -12,12 +12,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install toolchain
-        uses: actions-rs/toolchain@v1
+        uses: hecrj/setup-rust-action@v1
         with:
-          toolchain: stable
           components: rustfmt
-          profile: minimal
-          override: true
 
       - run: cargo fmt -- --check
 
@@ -37,11 +34,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install toolchain
-        uses: actions-rs/toolchain@v1
+        uses: hecrj/setup-rust-action@v1
         with:
-          toolchain: ${{ matrix.rust }}
+          rust-version: ${{ matrix.rust }}
-          profile: minimal
-          override: true
 
       - name: Install dependencies
         run: |
@@ -102,11 +97,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install toolchain
-        uses: actions-rs/toolchain@v1
+        uses: hecrj/setup-rust-action@v1
         with:
-          toolchain: ${{ matrix.rust }}
+          rust-version: ${{ matrix.rust }}
-          profile: minimal
-          override: true
 
       - name: Install dependencies
         run: |