Maybe zero or NULL volume got passed to the Forge Item recipe when you escaped from it and that caused a segfault?
vilius@vilius-ThinkPad-T430:~$ ivan Segmentation fault ivan(_ZN18globalerrorhandler22DumpStackTraceToStdErrEi+0x34)[0x55691373e068] ivan(_Z12CrashHandleri+0x15)[0x5569136c9dc0] /lib/x86_64-linux-gnu/libc.so.6(+0x3ef20)[0x7fd87e125f20] ivan(_ZNK8material9GetVolumeEv+0xc)[0x5569134b36be] ivan(_ZN12srpForgeItem4workER10recipedata+0x389)[0x55691359672d] ivan(_ZN9craftcore5CraftEP9character+0xc1d)[0x55691357c5b9] ivan(_ZN9craftcore5CraftEP9character+0xbdb)[0x55691357c577] ivan(_ZN13commandsystem5CraftEP9character+0x18)[0x55691357b7c4] ivan(_ZN9character16GetPlayerCommandEv+0x493)[0x5569134d2c23] ivan(_ZN9character2BeEv+0x624)[0x5569134c5b12] ivan(_ZN4pool2BeEv+0x3b)[0x5569135aa6b9] ivan(_ZN4game3RunEv+0x3d5)[0x5569135ef7a1] ivan(main+0x631)[0x5569136ca448] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)[0x7fd87e108b97] ivan(_start+0x2a)[0x5569134af22a]