Obtained 20 stack frames.
/usr/games/crawl-git-ba974f2ec1(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x557fccf6419e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-ba974f2ec1(_Z20crash_signal_handleri+0x18f) [0x557fccf6460f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x79e21a842910]: 
/usr/games/crawl-git-ba974f2ec1(_Z13handle_hangupi+0) [0x557fcd22d890]: handle_hangup(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x79e21a842910]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x79e21a90fbf5]: 
/usr/games/crawl-git-ba974f2ec1(_Z8call_gdbP8_IO_FILE+0xec) [0x557fccf6484c]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-ba974f2ec1(_Z13do_crash_dumpv+0x458) [0x557fccf723a8]: do_crash_dump()
/usr/games/crawl-git-ba974f2ec1(_Z20crash_signal_handleri+0x1fa) [0x557fccf6467a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x79e21a842910]: 
/usr/games/crawl-git-ba974f2ec1(_Z22destructive_preference10spell_typei+0xd0) [0x557fcd503090]: destructive_preference(spell_type, int)
/usr/games/crawl-git-ba974f2ec1(+0xa3faa1) [0x557fcd4c0aa1]: 
/usr/games/crawl-git-ba974f2ec1(_Z11do_god_giftb+0x3b0) [0x557fcd4c1cd0]: do_god_gift(bool)
/usr/games/crawl-git-ba974f2ec1(_Z13join_religion8god_type+0xf06) [0x557fcd4c9f16]: join_religion(god_type)
/usr/games/crawl-git-ba974f2ec1(+0xc98e8a) [0x557fcd719e8a]: 
/usr/games/crawl-git-ba974f2ec1(+0xc99a15) [0x557fcd71aa15]: 
/usr/games/crawl-git-ba974f2ec1(main+0x1f7) [0x557fcce97b47]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x79e21a8280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x79e21a828189]: 
/usr/games/crawl-git-ba974f2ec1(_start+0x25) [0x557fcce98635]: