Imported from https://github.com/C-C-Minetest-Server/twi_mods/issues/1

When removing the output pseudo-item from an autocrafter, the server sometimes crashes immediately and CPU usage spikes right after the crash. This was reproducible on this server and Your Land. A similar issue also occurs with techage modpack. This is related to https://github.com/minetest/minetest/issues/11805.

Currently, a workaround is installed, blocking any inventory actions on the output slot. To clear the recipe, clear the input slots manually.
https://github.com/C-C-Minetest-Server/twi_mods/blob/e9826348d30c6eba028a18d9b463733405f5d37d/crash_workaround/init.lua#L24-L51