this derivation will be built:
  /nix/store/jck6qf294kf6vxyz59ix73mffm4kp211-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/jck6qf294kf6vxyz59ix73mffm4kp211-bcachefs-module-7.0.0-38-generic.drv'...