this derivation will be built:
  /nix/store/ckywzk754fg7zcf95i3h372wgs53y1n1-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ckywzk754fg7zcf95i3h372wgs53y1n1-bcachefs-module-7.0.0-39-generic.drv'...