{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"std::fs::File::create(&metadata_filename).unwrap_or_else(|err|"}]}
        std::fs::File::create(&metadata_filename).unwrap_or_else(|err| {
        // This simplifies the creation of the output `out_filename` when requested.
            tcx.dcx().emit_fatal(FailedCreateFile { filename: &metadata_filename, err });