this derivation will be built:
  /nix/store/i9cb79kfkl667bxqzrqwd7iqmks6z9pl-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/i9cb79kfkl667bxqzrqwd7iqmks6z9pl-bcachefs-module-7.0.0-39-generic.drv'...