Function when

fdbserver/worker.actor.cpp:239–252

				return e.get();
		}
		when(ErrorOr<Void> e = wait(storeError)) {
			// for remote kv store, worker can terminate without an error, so throws actor_cancelled
			// (there's probably a better way tho)
			TraceEvent("WorkerTerminatingByIOError", id)
			    .errorUnsuppressed(e.isError() ? e.getError() : actor_cancelled());
			actor.cancel();
			// file_not_found can occur due to attempting to open a partially deleted DiskQueue, which should not be
			// reported SevError.
			if (e.isError() && e.getError().code() == error_code_file_not_found) {
				CODE_PROBE(true, "Worker terminated with file_not_found error");
				return Void();
			}
			throw e.isError() ? e.getError() : actor_cancelled();
		}
	}
}