this derivation will be built:
  /nix/store/l5f3406szhl23gk8lj4lvwbnk6sacqw1-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/l5f3406szhl23gk8lj4lvwbnk6sacqw1-bcachefs-module-7.0.0-38-generic-64k.drv'...