reorder the format and build stages

.github/workflows/rust.yml

@@ -25,9 +25,9 @@ jobs:
         toolchain: ${{ matrix.rust }}
         default: true
         override: true
-    - name: Build
-      run: cargo build
     - name: Format Check
       run: cargo fmt --check
+    - name: Build
+      run: cargo build
     - name: Run tests
       run: cargo test