Add debugging task for VS Code

This allows you to launch the command line program into a debugger. This
commit also tweaks the CI and fixes a small error in the build script.

.github/workflows/build-rust.yml

@@ -15,6 +15,8 @@ jobs:
         include:
         - os: ubuntu-latest
           platform: Linux
+          packages:
+          - gcc-aarch64-linux-gnu
           targets:
           - x86_64-unknown-linux-gnu
           - aarch64-unknown-linux-gnu
@@ -34,12 +36,19 @@ jobs:
     runs-on: ${{ matrix.os }}
     env:
       DEVELOPER_DIR: /Applications/Xcode_14.2.app/Contents/Developer
+      CARGO_INCREMENTAL: 0
+      CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
+      RUST_BACKTRACE: short
     steps:
     - name: Checkout
       uses: actions/checkout@v3
       with:
         ssh-key: ${{ secrets.DEPLOY_KEY }}
         submodules: recursive
+    - name: Install Packages
+      if: matrix.os == 'ubuntu-latest'
+      shell: bash
+      run: sudo apt-get install -y ${{ join(matrix.packages, ' ') }}
     - name: Install Rust
       uses: dtolnay/rust-toolchain@master
       with: