this derivation will be built:
  /nix/store/9v5xf7r08mjffryxcymnjqfjy8q7vh9q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/9v5xf7r08mjffryxcymnjqfjy8q7vh9q-bcachefs-module-7.0.0-38-generic.drv'...