let hir_id = tcx.hir().local_def_id_to_hir_id(def_id);
let attrs = tcx.hir().attrs(hir_id);
if let Some(name) = extract(attrs) {
let hir_id = tcx.hir().local_def_id_to_hir_id(def_id);
let attrs = tcx.hir().attrs(hir_id);
if let Some(name) = extract(attrs) {