this derivation will be built:
  /nix/store/hnsa7xrnj200mm9m855pys4jy0zypzs1-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hnsa7xrnj200mm9m855pys4jy0zypzs1-bcachefs-module-7.0.0-39-generic.drv'...