The Buildbot has detected a new failure on builder AMD64 Debian root 3.x while building python/cpython. Full details are available at: https://buildbot.python.org/all/#/builders/345/builds/8384

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

Worker for this Build: angelico-debian-amd64

Build Reason: <unknown> Blamelist: Ken Jin <kenjin@python.org>

BUILD FAILED: failed test (failure)

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

==

Captured traceback

Traceback (most recent call last): xiting asyncio REPL... File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/asyncio/__main__.py", line 109, in run raise OSError(errno.ENOTTY, "tty required", "stdin") Fatal Python error: _enter_buffered_busy: could not acquire lock for <_io.BufferedWriter name='<stderr>'> at interpreter shutdown, possibly due to daemon threads Python runtime state: finalizing (tstate=0x000055da69db5ad0)

Traceback (most recent call last): File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/test_repl.py", line 199, in test_asyncio_repl_is_ok assert_python_ok("-m", "asyncio") ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^ File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 180, in assert_python_ok return _assert_python(True, *args, **env_vars) File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 165, in _assert_python res.fail(cmd_line) ~~~~~~~~^^^^^^^^^^ File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/support/script_helper.py", line 75, in fail raise AssertionError("Process return code is %d\n" ...<13 lines>... err)) AssertionError: Process return code is -6 command line: ['/root/buildarea/3.x.angelico-debian-amd64/build/python', '-X', 'faulthandler', '-I', '-m', 'asyncio']

Traceback (most recent call last): xiting asyncio REPL... File "/root/buildarea/3.x.angelico-debian-amd64/build/Lib/asyncio/__main__.py", line 109, in run raise OSError(errno.ENOTTY, "tty required", "stdin") Fatal Python error: _enter_buffered_busy: could not acquire lock for <_io.BufferedWriter name='<stderr>'> at interpreter shutdown, possibly due to daemon threads Python runtime state: finalizing (tstate=0x000055bec2fccad0)

Test report

Failed tests:

• test_repl

Failed subtests:

• test_asyncio_repl_is_ok - test.test_repl.TestInteractiveInterpreter.test_asyncio_repl_is_ok

Sincerely, -The Buildbot