{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"run_command_with_output_and_env(&[&\"git\","}]}
    run_command_with_output_and_env(&[&"git", &"fetch"], rust_dir, Some(env))?;
    run_command(&[&"git", &"checkout", &"--", &"tests/"], rust_dir)?;
    let rustc_commit = match rustc_version_info(env.get("RUSTC").map(|s| s.as_str()))?.commit_hash {