Hide errors until builder succeeds.

bin/ctest.py

 #!/usr/bin/python
 #
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Wrapper for tests that are run on builders."""
 
 import fileinput
 import optparse
 import os
 import sys
+import traceback
 import urllib
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '../lib'))
 from cros_build_lib import Info, RunCommand, ReinterpretPathForChroot
 
 _IMAGE_TO_EXTRACT = 'chromiumos_test_image.bin'
 
 
 def ModifyBootDesc(download_folder, redirect_file=None):
   """Modifies the boot description of a downloaded image to work with path.
@@ skipping 182 matching lines @@
 
   if not options.zipbase:
     parser.error('Need zip url base to get images.')
 
   RunAUTestHarness(options.board, options.channel, options.latestbase,
                    options.zipbase, options.no_graphics, options.type,
                    options.remote)
 
 
 if __name__ == '__main__':
-  main()
+  try:
+    main()
+  except Exception:
+    print "Got exception."
+    traceback.print_exc(file=sys.stdout)
+