{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(BinaryOutputToTty);"}]}
                    tcx.dcx().emit_err(BinaryOutputToTty);
                if out_filename.is_tty() {
                } else if let Err(err) = copy_to_stdout(&metadata_filename) {