{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
    let _ = remove_dir_all(&args.config_info.cargo_target_dir);
fn clean(_env: &Env, args: &TestArg) -> Result<(), String> {
    let path = Path::new(&args.config_info.cargo_target_dir).join("gccjit");