Fix AArch64 release build error (#1942)

.github/workflows/release.yaml

@@ -53,7 +53,7 @@ jobs:
       if: ${{ matrix.target == 'aarch64-unknown-linux-musl' }}
       run: |
         sudo apt-get update
-        sudo apt-get install gcc-aarch64-linux-gnu
+        sudo apt-get install gcc-aarch64-linux-gnu libc6-dev-i386
 
     - name: Install ARM Toolchain
       if: ${{ matrix.target == 'arm-unknown-linux-musleabihf' || matrix.target == 'armv7-unknown-linux-musleabihf' }}

bin/package

@@ -12,6 +12,10 @@ test -f Cargo.lock || cargo generate-lockfile
 echo "Installing rust toolchain for $TARGET..."
 rustup target add $TARGET
 
+if [[ $TARGET == aarch64-unknown-linux-musl ]]; then
+  export CC=aarch64-linux-gnu-gcc
+fi
+
 echo "Building just..."
 RUSTFLAGS="--deny warnings --codegen target-feature=+crt-static $TARGET_RUSTFLAGS" \
   cargo build --bin just --target $TARGET --release