this derivation will be built:
  /nix/store/506c6hwqv71qar1vk9bvqz8cz9iha4xd-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/506c6hwqv71qar1vk9bvqz8cz9iha4xd-bcachefs-module-7.0.0-28-generic.drv'...