this derivation will be built:
  /nix/store/b7g9jxshzccf0ng4801ypva48fvrywi5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/b7g9jxshzccf0ng4801ypva48fvrywi5-bcachefs-module-7.0.0-31-generic.drv'...