{"ast_node_type":"variable","tokens":[{"end":33,"kind":"keyword","start":0,"text":"let"}]}
                    let id_args =
                    debug!("RootCollector: ADT drop-glue for `{id:?}`",);
                        ty::GenericArgs::for_item(self.tcx, id.owner_id.to_def_id(), |param, _| {