New fail, same buildbot:

======================================================================
FAIL: test_long_lines (test.test_email.test_email.TestFeedParsers)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_email\test_email.py", line 3534, in test_long_lines
    self.assertEqual(m.items(), [('a', ''), ('b', 'x'*M*N)])
AssertionError: Lists differ: [('a'[1845894 chars]xxxxxzxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx[18154072 chars]xx')] != [('a'[1845894 chars]xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx[18154072 chars]xx')]

First differing element 1:
('b',[1845882 chars]xxxxxzxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx[18154071 chars]xxx')
('b',[1845882 chars]xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx[18154071 chars]xxx')

  [('a', ''),
   ('b',


Don't click on http://buildbot.python.org/all/builders/AMD64%20Windows7%20SP1%203.x/builds/439/steps/test/logs/stdio : the log contains lines of 2 MB which make my Firefox super slow :-)