this derivation will be built:
  /nix/store/ljxqj3y20ca5a40yqyqfpv62skz6hj3s-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/ljxqj3y20ca5a40yqyqfpv62skz6hj3s-bcachefs-module-7.0.0-30-generic.drv'...