actually you do effectively build them twice

.github/workflows/build.yml

@@ -47,7 +47,7 @@ jobs:
       - name: Install Rust dependencies
         run: cargo fetch --target ${{ env.RUST_TARGET }}
       - name: Build release binary
-        run: cargo build and test --release --target ${{ env.RUST_TARGET }}
+        run: cargo build --release --target ${{ env.RUST_TARGET }}
         env:
           # Set linker for the target
           CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER: aarch64-linux-gnu-gcc
@@ -60,6 +60,9 @@ jobs:
           PKG_CONFIG_ALLOW_SYSTEM_CFLAGS: 1
           # Add library path for the cross-compiler's linker
           RUSTFLAGS: -L/usr/lib/aarch64-linux-gnu
+      - name: Run tests on native platform
+        run: cargo test --release --bin ntp_timeturner
+          
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with: