{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"tcx.def_span(def_id),"}]}
                    tcx.def_span(def_id),
                tcx.dcx().span_bug(
                    format!("should not be requesting the constness of items that can't be const: {node:#?}: {:?}", tcx.def_kind(def_id))