{"ast_node_type":"import","tokens":[{"end":88,"kind":"keyword","start":0,"text":".with_span_labels(impl_.defaultness_span,"}]}
                    .with_span_labels(impl_.defaultness_span, "default because of this")
                    .struct_span_err(sp, "impls of auto traits cannot be default")
                    .with_span_label(sp, "auto trait")