Exception type: CalledProcessError
Message: Command '['unshare', '--map-users=auto', '--map-groups=auto', '--setuid=0', '--setgid=0', '--kill-child', '--pid', '--mount', '--mount-proc=/tmp/debusine-executor-unshare-hh82hbvg/root/proc', 'sh', '-c', 'mount --rbind /dev /tmp/debusine-executor-unshare-hh82hbvg/root/dev && exec /usr/sbin/chroot /tmp/debusine-executor-unshare-hh82hbvg/root apt-get --yes install piuparts']' returned non-zero exit status 100.

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/debusine/tasks/_task.py", line 849, in _execute
    if not self.configure_for_execution(download_directory):
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/debusine/tasks/piuparts.py", line 216, in configure_for_execution
    self.run_executor_command(
    ~~~~~~~~~~~~~~~~~~~~~~~~~^
        ["apt-get", "--yes", "install", "piuparts"],
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    ...<2 lines>...
        check=True,
        ^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/debusine/tasks/_task.py", line 1061, in run_executor_command
    p = self.executor_instance.run(
        cmd,
    ...<3 lines>...
        check=check,
    )
  File "/usr/lib/python3/dist-packages/debusine/tasks/executors/base.py", line 451, in run
    return self.do_run(args, **kwargs)
           ~~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/debusine/tasks/executors/unshare.py", line 348, in do_run
    return self._run_unshare_command(
           ~~~~~~~~~~~~~~~~~~~~~~~~~^
        [
        ^
    ...<10 lines>...
        **kwargs_with_text,
        ^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3/dist-packages/debusine/tasks/executors/unshare.py", line 416, in _run_unshare_command
    return subprocess.run(cmd, **kwargs, **extra_kwargs)
           ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/subprocess.py", line 577, in run
    raise CalledProcessError(retcode, process.args,
                             output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['unshare', '--map-users=auto', '--map-groups=auto', '--setuid=0', '--setgid=0', '--kill-child', '--pid', '--mount', '--mount-proc=/tmp/debusine-executor-unshare-hh82hbvg/root/proc', 'sh', '-c', 'mount --rbind /dev /tmp/debusine-executor-unshare-hh82hbvg/root/dev && exec /usr/sbin/chroot /tmp/debusine-executor-unshare-hh82hbvg/root apt-get --yes install piuparts']' returned non-zero exit status 100.