this derivation will be built:
  /nix/store/9vz7f3nqw8h8vldxdvkh74id4k66fxz7-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/9vz7f3nqw8h8vldxdvkh74id4k66fxz7-bcachefs-module-7.0.0-14-generic.drv'...