{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"sess.time(\"incr_comp_persist_dep_graph\","}]}
                sess.time("incr_comp_persist_dep_graph", || {
            move || {
                    if let Err(err) = fs::rename(&staging_dep_graph_path, &dep_graph_path) {