{"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":".output();"}]}
                    .output();
                    .instantiate(self.tcx, self.fresh_args_for_item(DUMMY_SP, item.def_id))
                let ret_ty = self.tcx.instantiate_bound_regions_with_erased(ret_ty);