Add building of x64 libs to CI

.github/workflows/rust.yml

@@ -35,6 +35,35 @@ jobs:
             target/i686-win7-windows-msvc/release/rust_g.dll
             target/i686-win7-windows-msvc/release/rust_g.pdb
             target/rust_g.dm
+
+  build-windows-x64:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          targets: x86_64-pc-windows-msvc
+          components: clippy, rustfmt, rust-src
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: x64 Clippy (all features)
+        run: cargo clippy -Z build-std --target x86_64-pc-windows-msvc --features all,allow_non_32bit --locked -- -D warnings
+
+      - name: Rustfmt
+        run: cargo fmt -- --check
+
+      - name: x64 Build (release) (default features)
+        run: cargo build -Z build-std --target x86_64-pc-windows-msvc --features allow_non_32bit --locked --release
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: Windows Build x64
+          path: |
+            target/x86_64-pc-windows-msvc/release/rust_g.dll
+            target/x86_64-pc-windows-msvc/release/rust_g.pdb
+            target/rust_g.dm
 
   build-linux:
     runs-on: ubuntu-latest
@@ -54,7 +83,7 @@ jobs:
 
       - uses: dtolnay/rust-toolchain@nightly
         with:
-          targets: i686-unknown-linux-gnu
+          targets: i686-unknown-linux-gnu, x86_64-unknown-linux-gnu
 
       - uses: Swatinem/rust-cache@v2
 
@@ -78,3 +107,41 @@ jobs:
           path: |
             target/i686-unknown-linux-gnu/release/librust_g.so
             target/rust_g.dm
+
+  build-linux-x64:
+    runs-on: ubuntu-latest
+    env:
+      BYOND_MAJOR: 515
+      BYOND_MINOR: 1642
+      PKG_CONFIG_ALLOW_CROSS: 1
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: |
+          sudo dpkg --add-architecture i386
+          sudo apt-get update
+          sudo apt-get install libgcc-s1:i386 g++-multilib zlib1g-dev:i386
+          ./scripts/install_byond.sh
+
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          targets: x86_64-unknown-linux-gnu
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: x64 Check (all features)
+        run: cargo check --target x86_64-unknown-linux-gnu --locked --features all,allow_non_32bit
+
+      - name: x64 Build (Debug) (all features)
+        run: cargo build --target x86_64-unknown-linux-gnu --locked --features all,allow_non_32bit
+
+      - name: x64 Build (release) (default features)
+        run: cargo build --target x86_64-unknown-linux-gnu --locked --features allow_non_32bit --release
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: Linux Build x64
+          path: |
+            target/x86_64-unknown-linux-gnu/release/librust_g.so
+            target/rust_g.dm