this derivation will be built:
  /nix/store/pkg206592v3w87l18nwn9zbnby7v91gb-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/pkg206592v3w87l18nwn9zbnby7v91gb-bcachefs-module-7.0.0-38-generic.drv'...