{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
            let body = async_destructor_ctor::build_async_destructor_ctor_shim(tcx, def_id, ty);
        ty::InstanceKind::AsyncDropGlueCtorShim(def_id, ty) => {
            debug!("make_shim({:?}) = {:?}", instance, body);