$ mv ~/.minetest{,.bak}
maxim@terra ~/src/guix-spare [env]$ luantiserver --gameid whatever
2025-12-29 14:09:37: ERROR[Main]: Game "whatever" not found
2025-12-29 14:09:37: WARNING[Main]: Calling this function during script init is disallowed. (at /gnu/store/948k3zjqvk)
2025-12-29 14:09:37: ACTION[Main]: [mcl_villages]: World was upgraded or is pristine.
2025-12-29 14:09:37: WARNING[Main]: Calling this function during script init is disallowed. (at /gnu/store/948k3zjqvk)
2025-12-29 14:09:38: ACTION[Main]: [mcl_levelgen]: Preparing stronghold placement.  This may take a while.
 _                   _   _
| |_   _  __ _ _ __ | |_(_)
| | | | |/ _` | '_ \| __| |
| | |_| | (_| | | | | |_| |
|_|\__,_|\__,_|_| |_|\__|_|  ___ 5.14.0
2025-12-29 14:09:38: ACTION[Main]: World at [/home/maxim/.minetest/worlds/world]
2025-12-29 14:09:38: ACTION[Main]: Server for gameid="mineclonia" listening on [::]:30000.