this derivation will be built:
  /nix/store/af2hwhzj6lrj6jb7srddmbjq3waixsxn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/af2hwhzj6lrj6jb7srddmbjq3waixsxn-bcachefs-module-7.0.0-38-generic.drv'...