{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"self.write_field_index(field.hir_id,"}]}
                            self.write_field_index(field.hir_id, *i);
                        .map(|(i, f)| {
                            self.tcx.check_stability(f.did, Some(field.hir_id), span, None);