{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":".send(ParallelPrimeCacheWorkerProgress::EndCrateDefMap"}]}
                            .send(ParallelPrimeCacheWorkerProgress::EndCrateDefMap { crate_id })?,
                        Ok(()) => progress_sender
                        Err(cancelled) => progress_sender