this derivation will be built:
  /nix/store/9mkhqj7dypar28ip3pn9qg2g9yjc60qc-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/9mkhqj7dypar28ip3pn9qg2g9yjc60qc-bcachefs-module-7.0.0-28-generic.drv'...