{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"if"}]}
    if let Err(err) = safe_remove_file(lock_file_path) {
fn delete_session_dir_lock_file(sess: &Session, lock_file_path: &Path) {
        sess.dcx().emit_warn(errors::DeleteLock { path: lock_file_path, err });