{"ast_node_type":"import","tokens":[{"end":47,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME: should not use shell command!
    let mut copier = |dir_to_copy: &Path| {
        run_command(&[&"cp", &"-r", &dir_to_copy, &sysroot_path], None).map(|_| ())