this derivation will be built:
  /nix/store/6q6n7hq89z2013k4zgwp64248jjry9ng-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6q6n7hq89z2013k4zgwp64248jjry9ng-bcachefs-module-7.0.0-38-generic.drv'...