this derivation will be built:
  /nix/store/k3anpn6qhw1sk41y83w01wzis731qma7-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/k3anpn6qhw1sk41y83w01wzis731qma7-bcachefs-module-7.0.0-30-generic.drv'...