{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"debug!(\"universal_region_outlived_by"}]}
            debug!("universal_region_outlived_by ur={:?}", ur);
            found_outlived_universal_region = true;
            let non_local_ub = self.universal_region_relations.non_local_upper_bounds(ur);