+ case "${usergroup_phase}" in
+ local run_cmd
+ run_cmd=run_su
+ shift
+ run_su /usr/pkg/bin/bmake all BATCH=1 DEPENDS_TARGET=/nonexistent PYTHON_VERSION_REQD=312 WRKLOG=/tmp/bulklog/glasgow-0.0.20240810nb1/work.log
+ su pbulk -c '"$@"' make /usr/pkg/bin/bmake all BATCH=1 DEPENDS_TARGET=/nonexistent PYTHON_VERSION_REQD=312 WRKLOG=/tmp/bulklog/glasgow-0.0.20240810nb1/work.log
=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Building for glasgow-0.0.20240810nb1
* Building wheel...

Traceback (most recent call last):
  File "/usr/pkg/lib/python3.12/site-packages/pyproject_hooks/_impl.py", line 321, in _call_hook
    raise BackendUnavailable(data.get('traceback', ''))
pyproject_hooks._impl.BackendUnavailable: Traceback (most recent call last):
  File "/usr/pkg/lib/python3.12/site-packages/pyproject_hooks/_in_process/_in_process.py", line 77, in _build_backend
    obj = import_module(mod_path)
          ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/pkg/lib/python3.12/importlib/__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1324, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'pdm.backend'

ERROR Backend 'pdm.backend' is not available.
*** Error code 1

Stop.
bmake[1]: stopped making "all" in /data/jenkins/workspace/pkgsrc-el9-trunk-x86_64/devel/glasgow
*** Error code 1

Stop.
bmake: stopped making "all" in /data/jenkins/workspace/pkgsrc-el9-trunk-x86_64/devel/glasgow