this derivation will be built:
  /nix/store/bs2y06bdvz8528bcihqrbw1lfg93wmca-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/bs2y06bdvz8528bcihqrbw1lfg93wmca-bcachefs-module-7.0.0-28-generic.drv'...