this derivation will be built:
  /nix/store/kw6xcp45avm5qypvy2f1qlfgbwqgch0f-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/kw6xcp45avm5qypvy2f1qlfgbwqgch0f-bcachefs-module-7.0.0-39-generic.drv'...