[--:--:--][03b95c04][ main:yattag.bst                    ] BUG     Unhandled exception in post processing
    Traceback (most recent call last):
      File "/usr/lib/python3.8/site-packages/buildstream/_scheduler/queues/queue.py", line 280, in _job_done
        self.done(job, element, result, status)
      File "/usr/lib/python3.8/site-packages/buildstream/_scheduler/queues/buildqueue.py", line 76, in done
      File "/usr/lib/python3.8/site-packages/buildstream/_scheduler/queues/buildqueue.py", line 60, in _check_cache_size
      File "/usr/lib/python3.8/site-packages/buildstream/_artifactcache/artifactcache.py", line 417, in add_artifact_size
      File "/usr/lib/python3.8/site-packages/buildstream/_artifactcache/artifactcache.py", line 458, in set_cache_size
      File "/usr/lib/python3.8/site-packages/buildstream/_artifactcache/artifactcache.py", line 725, in _write_cache_size
      File "/usr/lib/python3.8/contextlib.py", line 113, in __enter__
      File "/usr/lib/python3.8/site-packages/buildstream/utils.py", line 528, in save_file_atomic
      File "/usr/lib/python3.8/tempfile.py", line 332, in mkstemp
        return _mkstemp_inner(dir, prefix, suffix, flags, output_type)
      File "/usr/lib/python3.8/tempfile.py", line 250, in _mkstemp_inner
        fd = _os.open(file, flags, 0o600)
    OSError: [Errno 24] Too many open files: '/builds/freedesktop-sdk/infrastructure/freedesktop-sdk-docker-images/cache/buildstream/artifacts/tmpvpzwyh1g'