Use minimal cargo components in CI

.github/workflows/ci.yml

@@ -40,6 +40,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
+          profile: minimal
           override: true
       - name: cargo fetch
         uses: actions-rs/cargo@v1
@@ -95,6 +96,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
+          profile: minimal
           override: true
       - name: cargo fetch
         uses: actions-rs/cargo@v1
@@ -126,6 +128,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
+          profile: minimal
           override: true
       - name: Install LLVM on Windows
         if: matrix.os == 'windows-latest'
@@ -188,6 +191,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
+          components: rustfmt
           override: true
       - run: rustup component add rustfmt
       - name: Show env vars