{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
        let _: R = tcx.ensure_ok().crate_inherent_impls_validity_check(());
        // these queries are executed for side-effects (error reporting):
        let _: R = tcx.ensure_ok().crate_inherent_impls_overlap_check(());