this derivation will be built:
  /nix/store/xyzavjki6n9pq6lqm9z9pr99vzfq0l41-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/xyzavjki6n9pq6lqm9z9pr99vzfq0l41-bcachefs-module-7.0.0-38-generic.drv'...