{"ast_node_type":"variable","tokens":[{"end":82,"kind":"keyword","start":0,"text":"if"}]}
    if let Err(error) = tcxt.features().dump_feature_usage_metrics(metrics_path) {
    let metrics_path = metrics_dir.join(metrics_file_name);
        // FIXME(yaahc): once metrics can be enabled by default we will want "failure to emit