{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"check_binders(psess,"}]}
        check_binders(psess, node_id, lhs, macros, &mut binders, &Stack::Empty, guar);
        let mut binders = Binders::default();
        check_occurrences(psess, node_id, rhs, macros, &binders, &Stack::Empty, guar);