Obtained 20 stack frames.
/usr/games/crawl-git-0efa743828(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5571d67451ae]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-0efa743828(_Z20crash_signal_handleri+0x18f) [0x5571d674561f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76735e842910]: 
/usr/games/crawl-git-0efa743828(_Z13handle_hangupi+0) [0x5571d6a0e950]: handle_hangup(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76735e842910]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x76735e90fbf5]: 
/usr/games/crawl-git-0efa743828(_Z8call_gdbP8_IO_FILE+0xec) [0x5571d674585c]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-0efa743828(_Z13do_crash_dumpv+0x458) [0x5571d67533b8]: do_crash_dump()
/usr/games/crawl-git-0efa743828(_Z20crash_signal_handleri+0x1fa) [0x5571d674568a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76735e842910]: 
/usr/games/crawl-git-0efa743828(_Z22destructive_preference10spell_typei+0xd0) [0x5571d6ce4150]: destructive_preference(spell_type, int)
/usr/games/crawl-git-0efa743828(+0xa3fb61) [0x5571d6ca1b61]: 
/usr/games/crawl-git-0efa743828(_Z11do_god_giftb+0x3b0) [0x5571d6ca2d90]: do_god_gift(bool)
/usr/games/crawl-git-0efa743828(_Z13join_religion8god_type+0xf06) [0x5571d6caafd6]: join_religion(god_type)
/usr/games/crawl-git-0efa743828(+0xc98f4a) [0x5571d6efaf4a]: 
/usr/games/crawl-git-0efa743828(+0xc99ad5) [0x5571d6efbad5]: 
/usr/games/crawl-git-0efa743828(main+0x1f7) [0x5571d6678b57]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x76735e8280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x76735e828189]: 
/usr/games/crawl-git-0efa743828(_start+0x25) [0x5571d6679645]: