fatal exit if worker has exception

src/dexorder/runner.py

@@ -240,9 +240,8 @@ class BlockStateRunner(BlockProgressor):
                     else:
                         log.info(f'Reverting {fork.branch} due to {e}') # runtime exception like SystemExit
                     self.state.remove_branch(fork.branch)
-        except Exception:
-            log.exception('Unhandled exception in runner worker')
-            raise
+        except Exception as e:
+            fatal('Unhandled exception in runner worker', exception=e)
         finally:
             log.debug('runner worker exiting')