{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME(yaahc): once metrics can be enabled by default we will want "failure to emit
    if let Err(error) = tcxt.features().dump_feature_usage_metrics(metrics_path) {
        // default metrics" to only produce a warning when metrics are enabled by default and emit