this derivation will be built:
  /nix/store/vb3bq8jdkcxzk2ydnzby8896949n2yxn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/vb3bq8jdkcxzk2ydnzby8896949n2yxn-bcachefs-module-7.0.0-39-generic.drv'...