this derivation will be built:
  /nix/store/s42l84g921vmwzzf0pqf8xggs248a7nq-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/s42l84g921vmwzzf0pqf8xggs248a7nq-bcachefs-module-7.0.0-34-generic.drv'...