{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"progress_sender.send(ParallelPrimeCacheWorkerProgress::BeginCrateDefMap"}]}
                    progress_sender.send(ParallelPrimeCacheWorkerProgress::BeginCrateDefMap {
                let handle_def_map = |crate_id, crate_name| {
                        crate_id,