this derivation will be built:
  /nix/store/z6nk2nad3jbf7r91wzvh21670psch8d7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/z6nk2nad3jbf7r91wzvh21670psch8d7-bcachefs-module-7.0.0-39-generic.drv'...