OSError in storage handler

Traceback (most recent call last):
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/dbispipeline/core.py", line 206, in _store
    storage_handler.handle_result(config)
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/dbispipeline/storage_handlers.py", line 102, in handle_result
    requirements=_get_requirements())
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/dbispipeline/storage_handlers.py", line 60, in _get_requirements
    return list(freeze.freeze())
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/operations/freeze.py", line 67, in freeze
    req = FrozenRequirement.from_dist(dist)
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/operations/freeze.py", line 252, in from_dist
    req, editable, comments = get_requirement_info(dist)
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/operations/freeze.py", line 187, in get_requirement_info
    vcs_backend = vcs.get_backend_for_dir(location)
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/vcs/versioncontrol.py", line 333, in get_backend_for_dir
    repo_path = vcs_backend.get_repository_root(location)
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/vcs/git.py", line 386, in get_repository_root
    log_failed_cmd=False,
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/vcs/versioncontrol.py", line 774, in run_command
    log_failed_cmd=log_failed_cmd)
  File "/home/michael.voetter/.local/share/virtualenvs/mediaeval2020-TZleb6Ej/lib/python3.6/site-packages/pip/_internal/vcs/versioncontrol.py", line 119, in call_subprocess
    cwd=cwd
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1295, in _execute_child
    restore_signals, start_new_session, preexec_fn)
OSError: [Errno 12] Cannot allocate memory