[issue36414] Multiple test failures in GCC and Clang optional builds on Travis CI

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

> https://travis-ci.org/python/cpython/jobs/510447289

This failure is on the master branch.

./python.exe  ./Tools/scripts/run_tests.py -j 1 -u all -W --slowest --fail-env-changed --timeout=1200 -j4 -uall,-cpu
ERROR:root:code for hash md5 was not found.
Traceback (most recent call last):
  File "/Users/travis/build/python/cpython/Lib/hashlib.py", line 244, in <module>
    globals()[__func_name] = __get_hash(__func_name)
  File "/Users/travis/build/python/cpython/Lib/hashlib.py", line 113, in __get_builtin_constructor
    raise ValueError('unsupported hash type ' + name)
ValueError: unsupported hash type md5
(...)

Travis CI config has been changed to use a more recent Ubuntu version, it can explain the failure.

commit 74ae50e53e59bbe39d6287b902757f0cd01327dc
Author: CAM Gerlach <CAM.Gerlach at Gerlach.CAM>
Date:   Mon Mar 18 05:44:58 2019 -0500

    bpo-36307: Travis: upgrade to Xenial environment (GH-12356)

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36414>
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