this derivation will be built:
  /nix/store/k3vkzyvj67v219v6kv7al22f7aaimp50-bcachefs-module-7.0.0-27-generic-64k.drv
building '/nix/store/k3vkzyvj67v219v6kv7al22f7aaimp50-bcachefs-module-7.0.0-27-generic-64k.drv'...