this derivation will be built:
  /nix/store/479y20x5np2ba38ji3x8869jjjfjz397-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/479y20x5np2ba38ji3x8869jjjfjz397-bcachefs-module-7.0.0-31-generic.drv'...