fixup! ci: Test with gnu and musl targets

Author: fidencio

.github/workflows/ci.yml

@@ -29,21 +29,42 @@ jobs:
         shell: bash
 
       - run: |
-          case ${{ matrix.os }} in 
-            macos-latest)
+          case ${{ matrix.os }} in
+            ubuntu-latest)
+              if [[ "${{ matrix.linux-target }}" == "musl" ]]; then
+                sudo apt-get update
+                sudo apt-get -y install musl-tools musl-dev
+
+                mkdir -p ${HOME}/.cargo
+                echo '[target.x86_64-unknown-linux-${{ matrix.linux-target }}]' > ${HOME}/.cargo/config.toml
+                echo 'linker = "musl-gcc"' >> ${HOME}/.cargo/config.toml
+              fi
+
+              rustup target add x86_64-unknown-linux-${{ matrix.linux-target }}
+              rustup toolchain install nightly-x86_64-unknown-linux-${{ matrix.linux-target }} --force-non-host
+              rustup toolchain install nightly-x86_64-unknown-linux-${{ matrix.linux-target }} --force-non-host --component rustfmt
+              ;;
+            *)
+              rustup toolchain install nightly
               rustup toolchain install nightly --component rustfmt
               ;;
+          esac
+        shell: bash
+      - run: |
+          case ${{ matrix.os }} in
             ubuntu-latest)
-              rustup toolchain install nightly --component rustfmt --target x86_64-unknown-linux-${{ matrix.linux-target }}
+              cargo +nightly-x86_64-unknown-linux-${{ matrix.linux-target }} fmt --all -- --check
+              ;;
+            *)
+              cargo +nightly fmt --all -- --check
               ;;
           esac
-      - run: cargo +nightly fmt --all -- --check
 
       # the "runc" and "containerd-shim" crates have `sync` code that is not covered by the workspace
       - run: cargo check -p runc --all-targets
       - run: cargo clippy -p runc --all-targets -- -D warnings
       - run: cargo check -p containerd-shim --all-targets
-      - run: cargo clippy -p containerd-shim --all-targets  -- -D warnings
+      - run: cargo clippy -p containerd-shim --all-targets -- -D warnings
 
       # check the workspace
       - run: cargo check --examples --tests --all-targets