Buildbot exception in Python on whole buildset

The Buildbot has detected a new failure on builder aarch64 RHEL8 3.x while building python/cpython. Full details are available at: https://buildbot.python.org/all/#builders/529/builds/466
Buildbot URL: https://buildbot.python.org/all/
Worker for this Build: cstratak-RHEL8-aarch64
Build Reason: <unknown> Blamelist: Mark Shannon <mark@hotpy.org>, Steven Hsu <hsuhaochun@gmail.com>
BUILD FAILED: failed test (failure)
Summary of the results of the build (if available):
== Tests result: FAILURE then FAILURE ==
413 tests OK.
10 slowest tests:
- test_concurrent_futures: 2 min 49 sec
- test_asyncio: 1 min 36 sec
- test_peg_generator: 1 min 29 sec
- test_multiprocessing_spawn: 1 min 27 sec
- test_nntplib: 1 min 22 sec
- test_multiprocessing_forkserver: 1 min 10 sec
- test_unparse: 1 min 5 sec
- test_capi: 1 min 3 sec
- test_multiprocessing_fork: 59.2 sec
- test_gdb: 54.6 sec
1 test failed: test_readline
13 tests skipped: test_devpoll test_ioctl test_kqueue test_msilib test_ossaudiodev test_startfile test_tix test_tk test_ttk_guionly test_winconsoleio test_winreg test_winsound test_zipfile64
Total duration: 2 min 49 sec
Captured traceback
Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-aarch64/build/Lib/test/test_readline.py", line 163, in test_auto_history_disabled self.assertIn(b"History length: 0\r\n", output) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: b'History length: 0\r\n' not found in bytearray(b'dummy input\r\ndummy input\r\nHistory length: 0')
Test report
Failed tests:
- test_readline
Failed subtests:
- test_auto_history_disabled - test.test_readline.TestReadline
Sincerely, -The Buildbot
participants (1)
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buildbot@python.org