{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"})"}]}
        }) && item_ident.name == sym::write_fmt;
                || tcx.is_diagnostic_item(sym::writeln_macro, def_id)
        let mut err = if is_write && let SelfSource::MethodCall(rcvr_expr) = source {