https://buildbot.python.org/all/#/builders/405/builds/9

Extract from the logs:

The Buildbot has detected a new failure on builder AMD64 Windows8.1 Non-Debug 3.x while building python/cpython.
Full details are available at:
    https://buildbot.python.org/all/#builders/405/builds/9

Buildbot URL: https://buildbot.python.org/all/

Worker for this Build: ware-win81-release

Build Reason: <unknown>
Blamelist: E-Paine <63801254+E-Paine@users.noreply.github.com>, Raymond Hettinger <rhettinger@users.noreply.github.com>, Simon Charette <charette.s@gmail.com>, Steve Dower <steve.dower@python.org>

BUILD FAILED: failed test (failure)


Summary of the results of the build (if available):
===================================================

== Tests result: FAILURE then FAILURE ==

395 tests OK.

10 slowest tests:
- test_multiprocessing_spawn: 2 min 43 sec
- test_concurrent_futures: 2 min 25 sec
- test_io: 1 min 43 sec
- test_largefile: 1 min 41 sec
- test_peg_generator: 1 min 39 sec
- test_mmap: 1 min 19 sec
- test_asyncio: 58.8 sec
- test_regrtest: 45.3 sec
- test_unparse: 44.1 sec
- test_tokenize: 41.1 sec

1 test failed:
    test_ssl

30 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_xxtestfuzz test_zipfile64

1 re-run test:
    test_ssl

Total duration: 9 min 15 sec



Captured traceback
==================

Traceback (most recent call last):
   File "D:\buildarea\3.x.ware-win81-release.nondebug\build\lib\test\test_ssl.py", line 2333, in wrap_conn
    self.sslconn = self.server.context.wrap_socket(
   File "D:\buildarea\3.x.ware-win81-release.nondebug\build\lib\ssl.py", line 518, in wrap_socket
    return self.sslsocket_class._create(
   File "D:\buildarea\3.x.ware-win81-release.nondebug\build\lib\ssl.py", line 1070, in _create
    self.do_handshake()
   File "D:\buildarea\3.x.ware-win81-release.nondebug\build\lib\ssl.py", line 1339, in do_handshake
    self._sslobj.do_handshake()
 ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate (_ssl.c:969)


Traceback (most recent call last):
  File "D:\buildarea\3.x.ware-win81-release.nondebug\build\lib\test\test_ssl.py", line 255, in wrapper
    return func(*args, **kw)
  File "D:\buildarea\3.x.ware-win81-release.nondebug\build\lib\test\test_ssl.py", line 3171, in test_wrong_cert_tls13
    self.fail("Use of invalid cert should have failed!")
AssertionError: Use of invalid cert should have failed!



Test report
===========

Failed tests:

- test_ssl

Failed subtests:

- test_wrong_cert_tls13 - test.test_ssl.ThreadedTests




Sincerely,
 -The Buildbot