Obtained 29 stack frames.
/usr/games/crawl-git-4a20da8d68(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5831abc9c1ae]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-4a20da8d68(_Z20crash_signal_handleri+0x18f) [0x5831abc9c61f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7d308ce42910]: 
/usr/games/crawl-git-4a20da8d68(_Z13handle_hangupi+0) [0x5831abf65950]: handle_hangup(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7d308ce42910]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x7d308cf0fbf5]: 
/usr/games/crawl-git-4a20da8d68(_Z8call_gdbP8_IO_FILE+0xec) [0x5831abc9c85c]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-4a20da8d68(_Z13do_crash_dumpv+0x458) [0x5831abcaa3b8]: do_crash_dump()
/usr/games/crawl-git-4a20da8d68(_Z20crash_signal_handleri+0x1fa) [0x5831abc9c68a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7d308ce42910]: 
/usr/games/crawl-git-4a20da8d68(_Z22destructive_preference10spell_typei+0xd0) [0x5831ac23b150]: destructive_preference(spell_type, int)
/usr/games/crawl-git-4a20da8d68(+0xa3fb61) [0x5831ac1f8b61]: 
/usr/games/crawl-git-4a20da8d68(_Z11do_god_giftb+0x3b0) [0x5831ac1f9d90]: do_god_gift(bool)
/usr/games/crawl-git-4a20da8d68(_Z10gain_pietyiib+0xf0) [0x5831ac2001c0]: gain_piety(int, int, bool)
/usr/games/crawl-git-4a20da8d68(_Z15did_god_conduct12conduct_typeibPK7monster+0x222) [0x5831abe0bd92]: did_god_conduct(conduct_type, int, bool, monster const*)
/usr/games/crawl-git-4a20da8d68(+0x8ac455) [0x5831ac065455]: 
/usr/games/crawl-git-4a20da8d68(_Z11monster_dieR7monster11killer_typeibb+0xf22) [0x5831ac073ab2]: monster_die(monster&, killer_type, int, bool, bool)
/usr/games/crawl-git-4a20da8d68(_ZN4bolt12kill_monsterER7monster+0xff) [0x5831abc3f7ff]: bolt::kill_monster(monster&)
/usr/games/crawl-git-4a20da8d68(_ZN4bolt14affect_monsterEP7monster+0x105b) [0x5831abc52f3b]: bolt::affect_monster(monster*)
/usr/games/crawl-git-4a20da8d68(_Z8cast_imbib+0x49b) [0x5831ac2713eb]: cast_imb(int, bool)
/usr/games/crawl-git-4a20da8d68(_Z11your_spells10spell_typeibPK8item_defP4distb+0x1b61) [0x5831ac25c821]: your_spells(spell_type, int, bool, item_def const*, dist*, bool)
/usr/games/crawl-git-4a20da8d68(_Z12cast_a_spellb10spell_typeP4distb+0x3f2) [0x5831ac25e312]: cast_a_spell(bool, spell_type, dist*, bool)
/usr/games/crawl-git-4a20da8d68(_Z17do_cast_spell_cmdb+0x1a) [0x5831ac25f13a]: do_cast_spell_cmd(bool)
/usr/games/crawl-git-4a20da8d68(+0xc98f4a) [0x5831ac451f4a]: 
/usr/games/crawl-git-4a20da8d68(+0xc99ad5) [0x5831ac452ad5]: 
/usr/games/crawl-git-4a20da8d68(main+0x1f7) [0x5831abbcfb57]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7d308ce280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7d308ce28189]: 
/usr/games/crawl-git-4a20da8d68(_start+0x25) [0x5831abbd0645]: