Buildbot failure in Python on AMD64 Windows10 3.x

The Buildbot has detected a failed build on builder AMD64 Windows10 3.x while building python/cpython. Full details are available at: https://buildbot.python.org/all/#builders/146/builds/656
Buildbot URL: https://buildbot.python.org/all/
Worker for this Build: bolen-windows10
Build Reason: <unknown> Blamelist: Brandon Stansbury <brandonrstansbury@gmail.com>, Filipe Laíns <lains@riseup.net>, Raymond Hettinger <rhettinger@users.noreply.github.com>
BUILD FAILED: failed test (failure)
Summary of the results of the build (if available):
== Tests result: FAILURE then FAILURE ==
394 tests OK.
10 slowest tests:
- test_mmap: 8 min 8 sec
- test_largefile: 4 min 56 sec
- test_tokenize: 3 min 19 sec
- test_io: 3 min 9 sec
- test_unparse: 3 min
- test_concurrent_futures: 2 min 23 sec
- test_multiprocessing_spawn: 2 min 10 sec
- test_capi: 1 min 35 sec
- test_lib2to3: 1 min 30 sec
- test_asyncio: 1 min 20 sec
1 test failed: test_nntplib
31 tests skipped: test_curses test_dbm_gnu test_dbm_ndbm test_devpoll test_epoll test_fcntl test_fork1 test_gdb test_grp test_ioctl test_kqueue test_multiprocessing_fork test_multiprocessing_forkserver test_nis test_openpty test_ossaudiodev test_pipes test_poll test_posix test_pty test_pwd test_readline test_resource test_spwd test_syslog test_threadsignals test_wait3 test_wait4 test_xxlimited test_xxtestfuzz test_zipfile64
1 re-run test: test_nntplib
Total duration: 16 min 30 sec
Captured traceback
Traceback (most recent call last): File "D:\buildarea\3.x.bolen-windows10\build\lib\test\test_nntplib.py", line 250, in wrapped meth(self) File "D:\buildarea\3.x.bolen-windows10\build\lib\test\test_nntplib.py", line 99, in test_descriptions desc = descs[self.GROUP_NAME] KeyError: 'comp.lang.python'
Traceback (most recent call last): File "D:\buildarea\3.x.bolen-windows10\build\lib\test\test_nntplib.py", line 250, in wrapped meth(self) File "D:\buildarea\3.x.bolen-windows10\build\lib\test\test_nntplib.py", line 85, in test_description self.assertIn("Python", desc) AssertionError: 'Python' not found in ''
Test report
Failed tests:
- test_nntplib
Failed subtests:
- test_descriptions - test.test_nntplib.NetworkedNNTP_SSLTests
- test_description - test.test_nntplib.NetworkedNNTP_SSLTests
Sincerely, -The Buildbot
participants (1)
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buildbot@python.org