--- a/tests/run-tests.py	Wed Jan 08 00:47:45 2014 +0900
+++ b/tests/run-tests.py	Thu Jan 16 18:55:35 2014 +0100
@@ -1077,6 +1077,9 @@
             done.put(runone(options, test, count))
         except KeyboardInterrupt:
             pass
+        except: # re-raises
+            done.put(('!', test, 'run-test raised an error, see traceback'))
+            raise
 
     try:
         while tests or running: