this derivation will be built:
  /nix/store/r088h5il93df6m2gm1hhz95l6627zbpd-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/r088h5il93df6m2gm1hhz95l6627zbpd-bcachefs-module-7.0.0-28-generic.drv'...