diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 4ef33ade..d0c10758 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -25,43 +25,15 @@ jobs:
         with:
           llvm-version: 22
 
-      - name: Setup Rust
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: 1.95.0
-          components: rustfmt, clippy
-
-      - name: Setup nightly Rust for rule-preprocessor clippy
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: nightly
-          components: rustfmt, clippy, rustc-dev
+      - name: Setup Python
+        run: pip install ruff
 
-      - name: Check C++ formatting
-        run: find cpp2rust tests -name '*.cpp' -o -name '*.h' -o -name '*.c' | xargs clang-format --dry-run --Werror
+      - name: Configure
+        run: cmake -GNinja -B build -S .
 
-      - name: Check Rust formatting
-        run: |
-          cargo fmt --manifest-path rules/Cargo.toml -- --check
-          cargo fmt --manifest-path rule-preprocessor/Cargo.toml -- --check
-          cargo fmt --manifest-path libcc2rs/Cargo.toml -- --check
-          cargo fmt --manifest-path libcc2rs-macros/Cargo.toml -- --check
-          find tests -name '*.rs' -print0 | xargs -0 rustfmt --check
+      - name: Format files
+        run: ninja format
+        working-directory: build
 
-      - name: Check Rust lints
-        run: |
-          cargo clippy --manifest-path rules/Cargo.toml --all-targets --all-features -- -Dwarnings
-          cargo +nightly clippy --manifest-path rule-preprocessor/Cargo.toml --all-targets --all-features -- -Dwarnings
-          cargo clippy --manifest-path libcc2rs/Cargo.toml --all-targets --all-features -- -Dwarnings
-          cargo clippy --manifest-path libcc2rs-macros/Cargo.toml --all-targets --all-features -- -Dwarnings
-
-      - name: Check Python (ruff)
-        uses: astral-sh/ruff-action@v3
-        with:
-          args: 'check'
-          src: tests/lit/lit/formats/Cpp2RustTest.py
-      - name: Check Python formatting (ruff)
-        uses: astral-sh/ruff-action@v3
-        with:
-          args: 'format --check'
-          src: tests/lit/lit/formats/Cpp2RustTest.py
+      - name: Check format
+        run: git diff --exit-code
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e16dda8d..accae667 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,8 +68,8 @@ set(RUST_STAMP_FILE "${CMAKE_BINARY_DIR}/.rust-toolchain.stamp")
 
 add_custom_command(
     OUTPUT "${RUST_STAMP_FILE}"
-    COMMAND rustup toolchain install ${RUST_STABLE_VERSION}
-    COMMAND rustup toolchain install ${RUST_NIGHTLY_VERSION} --component rustc-dev --component llvm-tools
+    COMMAND rustup toolchain install ${RUST_STABLE_VERSION} --component clippy --component rustfmt
+    COMMAND rustup toolchain install ${RUST_NIGHTLY_VERSION} --component rustc-dev --component llvm-tools --component clippy --component rustfmt
     COMMAND ${CMAKE_COMMAND} -E touch "${RUST_STAMP_FILE}"
     DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/rust-toolchain.cmake"
     USES_TERMINAL
@@ -91,16 +91,16 @@ set(PYTHON_SOURCES ${PROJECT_SOURCE_DIR}/tests/lit/lit/formats/Cpp2RustTest.py)
 add_custom_target("format"
                   COMMAND ${CLANG_FORMAT} -i ${ALL_CXX_SOURCES}
                   COMMAND cargo +${RUST_STABLE_VERSION} fmt --manifest-path ${PROJECT_SOURCE_DIR}/rules/Cargo.toml
-                  COMMAND cargo +${RUST_STABLE_VERSION}  --manifest-path ${PROJECT_SOURCE_DIR}/rule-preprocessor/Cargo.toml
+                  COMMAND cargo +${RUST_NIGHTLY_VERSION} fmt --manifest-path ${PROJECT_SOURCE_DIR}/rule-preprocessor/Cargo.toml
                   COMMAND cargo +${RUST_STABLE_VERSION} fmt --manifest-path ${PROJECT_SOURCE_DIR}/libcc2rs/Cargo.toml
                   COMMAND cargo +${RUST_STABLE_VERSION} fmt --manifest-path ${PROJECT_SOURCE_DIR}/libcc2rs-macros/Cargo.toml
-                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-staged --all-targets --all-features
+                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-no-vcs --allow-staged --all-targets --all-features
                                 --manifest-path ${PROJECT_SOURCE_DIR}/rules/Cargo.toml -- -Dwarnings
-                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-staged --all-targets --all-features
-                                --manifest-path chdir ${PROJECT_SOURCE_DIR}/rule-preprocessor/Cargo.toml -- -Dwarnings
-                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-staged --all-targets --all-features
-                                --manifest-path $${PROJECT_SOURCE_DIR}/libcc2rs/Cargo.toml -- -Dwarnings
-                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-staged --all-targets --all-features
+                  COMMAND cargo +${RUST_NIGHTLY_VERSION} clippy --fix --allow-dirty --allow-no-vcs --allow-staged --all-targets --all-features
+                                --manifest-path ${PROJECT_SOURCE_DIR}/rule-preprocessor/Cargo.toml -- -Dwarnings
+                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-no-vcs --allow-staged --all-targets --all-features
+                                --manifest-path ${PROJECT_SOURCE_DIR}/libcc2rs/Cargo.toml -- -Dwarnings
+                  COMMAND cargo +${RUST_STABLE_VERSION} clippy --fix --allow-dirty --allow-no-vcs --allow-staged --all-targets --all-features
                                 --manifest-path ${PROJECT_SOURCE_DIR}/libcc2rs-macros/Cargo.toml -- -Dwarnings
                   COMMAND ${RUFF} --silent check --fix ${PYTHON_SOURCES}
                   COMMAND ${RUFF} --silent format ${PYTHON_SOURCES}