this derivation will be built:
  /nix/store/614rz9jc98q2n1pxm2znxmfj5wb2yixm-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/614rz9jc98q2n1pxm2znxmfj5wb2yixm-bcachefs-module-7.0.0-29-generic.drv'...