{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"info.used_crate_source.insert(cnum,"}]}
            info.used_crate_source.insert(cnum, Arc::clone(used_crate_source));
            let used_crate_source = tcx.used_crate_source(cnum);
            if tcx.is_profiler_runtime(cnum) {