this derivation will be built:
  /nix/store/k2dqka6d6qhngnwp2lvdw3cbv8cv974z-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/k2dqka6d6qhngnwp2lvdw3cbv8cv974z-bcachefs-module-7.0.0-31-generic.drv'...