this derivation will be built:
  /nix/store/638icb6ww5l1ldgiik60j7g69mr38nzg-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/638icb6ww5l1ldgiik60j7g69mr38nzg-bcachefs-module-7.0.0-30-generic.drv'...