diff -r 5eb5ba3b9e99 -r e475cc6eff08 tests/run-tests.py
--- a/tests/run-tests.py	Thu Jan 10 16:25:06 2013 +0000
+++ b/tests/run-tests.py	Wed Jan 16 20:56:02 2013 +0000
@@ -1125,8 +1125,8 @@
         pid, status, fp = waitq.get()
         try:
             childresults = pickle.load(fp)
-        except pickle.UnpicklingError:
-            pass
+        except (pickle.UnpicklingError, EOFError):
+            sys.exit(255)
         else:
             passed += len(childresults['p'])
             skipped += len(childresults['s'])
@@ -1221,7 +1221,8 @@
             outputcoverage(options)
     except KeyboardInterrupt:
         failed = True
-        print "\ninterrupted!"
+        if not options.child:
+            print "\ninterrupted!"
 
     if failed:
         sys.exit(1)
@@ -1251,6 +1252,7 @@
     os.environ['no_proxy'] = ''
     os.environ['NO_PROXY'] = ''
     os.environ['TERM'] = 'xterm'
+    os.environ['PYTHONHASHSEED'] = 'random'
 
     # unset env related to hooks
     for k in os.environ.keys():