this derivation will be built:
  /nix/store/rkw7aywfk5gdn5953rb4qh5wvgnn75id-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/rkw7aywfk5gdn5953rb4qh5wvgnn75id-bcachefs-module-7.0.0-29-generic.drv'...