2024-03-29 13:19:48,824 [INFO] {1932865} koji.build.buildroot:564 Running mock as kojibuilder
ERROR: cannot join thread before it is started
Traceback (most recent call last):
  File "/usr/lib/python3.12/site-packages/mockbuild/uid.py", line 183, in run_in_subprocess_without_privileges
    future = executor.submit(self.drop_privs_forever_and_execute,
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.12/concurrent/futures/process.py", line 794, in submit
    self._start_executor_manager_thread()
  File "/usr/lib64/python3.12/concurrent/futures/process.py", line 735, in _start_executor_manager_thread
    self._executor_manager_thread.start()
  File "/usr/lib64/python3.12/threading.py", line 971, in start
    _start_new_thread(self._bootstrap, ())
RuntimeError: can't start new thread

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/libexec/mock/mock", line 1079, in <module>
    exitStatus = main()
                 ^^^^^^
  File "/usr/lib/python3.12/site-packages/mockbuild/trace_decorator.py", line 93, in trace
    result = func(*args, **kw)
             ^^^^^^^^^^^^^^^^^
  File "/usr/libexec/mock/mock", line 676, in main
    config_opts = uidManager.run_in_subprocess_without_privileges(
                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/site-packages/mockbuild/uid.py", line 182, in run_in_subprocess_without_privileges
    with ProcessPoolExecutor(max_workers=1) as executor:
  File "/usr/lib64/python3.12/concurrent/futures/_base.py", line 647, in __exit__
    self.shutdown(wait=True)
  File "/usr/lib64/python3.12/concurrent/futures/process.py", line 836, in shutdown
    self._executor_manager_thread.join()
  File "/usr/lib64/python3.12/threading.py", line 1121, in join
    raise RuntimeError("cannot join thread before it is started")
RuntimeError: cannot join thread before it is started
Process ForkProcess-1:
Traceback (most recent call last):
  File "/usr/lib64/python3.12/multiprocessing/process.py", line 314, in _bootstrap
    self.run()
  File "/usr/lib64/python3.12/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib64/python3.12/concurrent/futures/process.py", line 246, in _process_worker
    call_item = call_queue.get(block=True)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.12/multiprocessing/queues.py", line 103, in get
    res = self._recv_bytes()
          ^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.12/multiprocessing/connection.py", line 215, in recv_bytes
    buf = self._recv_bytes(maxlength)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.12/multiprocessing/connection.py", line 413, in _recv_bytes
    buf = self._recv(4)
          ^^^^^^^^^^^^^
  File "/usr/lib64/python3.12/multiprocessing/connection.py", line 378, in _recv
    chunk = read(handle, remaining)
            ^^^^^^^^^^^^^^^^^^^^^^^
KeyboardInterrupt