this derivation will be built:
  /nix/store/d8xlq61rj6wbb6hl2p39hj5v8khkn34c-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/d8xlq61rj6wbb6hl2p39hj5v8khkn34c-bcachefs-module-7.0.0-38-generic.drv'...