this derivation will be built:
  /nix/store/vppdgkj904n3l62ii3frq8c383n7c7jc-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/vppdgkj904n3l62ii3frq8c383n7c7jc-bcachefs-module-7.0.0-30-generic.drv'...