this derivation will be built:
  /nix/store/d7c98gbxxyxqvj03pc3bw7d6lixh0sqx-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/d7c98gbxxyxqvj03pc3bw7d6lixh0sqx-bcachefs-module-7.0.0-39-generic.drv'...