this derivation will be built:
  /nix/store/2f81ara6vmz6dkd75qbj9wsip9k1pxzh-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/2f81ara6vmz6dkd75qbj9wsip9k1pxzh-bcachefs-module-7.0.0-28-generic.drv'...