On Mon, May 21, 2018 at 04:06:30PM +0000, Nils Gillmann wrote:
> Hi,
> 
> this is the 3rd reinstall of Guix I'm doing because every reboot the daemon,
> run with the defaul values, no changes, keeps forgetting about its group:
> 
> build machine:
> 
> root@cult ~ # guix build --verbosity=10 hello
> guix build: error: build failed: the group `guixbuild' specified in `build-users-group' does not exist

This looks like <https://bugs.gnu.org/30298>. See that thread for how to
fix it.