{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"write!(f,"}]}
                write!(f, "{}", tcx.def_path_debug_str(def_id))?;
            if let Some(def_id) = node.extract_def_id(tcx) {
            } else if let Some(ref s) = tcx.dep_graph.dep_node_debug_str(node) {