this derivation will be built:
  /nix/store/vff3ammj99kgk77b7z6sp72wxz1hly9l-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vff3ammj99kgk77b7z6sp72wxz1hly9l-bcachefs-module-7.0.0-39-generic.drv'...