Obtained 25 stack frames.
/usr/games/crawl-git-756d4b8fc9(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x600c73]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-756d4b8fc9(_Z20crash_signal_handleri+0x174) [0x600fe4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f653201d4f0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f6532383efb]: 
/usr/games/crawl-git-756d4b8fc9() [0x6071f4]
/usr/games/crawl-git-756d4b8fc9() [0x60767f]
/usr/games/crawl-git-756d4b8fc9(_Z20crash_signal_handleri+0x293) [0x601103]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f653201d4f0]: 
/usr/games/crawl-git-756d4b8fc9(_Z16handle_behaviourP7monster+0x2ca) [0x84a1ba]: handle_behaviour(monster*)
/usr/games/crawl-git-756d4b8fc9(_Z15behaviour_eventP7monster14mon_event_typePK5actor9coord_defb+0x308) [0x84cce8]: behaviour_event(monster*, mon_event_type, actor const*, coord_def, bool)
/usr/games/crawl-git-756d4b8fc9(_ZN7monster4hurtEPK5actori9beam_typebb+0x1d7) [0x8d5c27]: monster::hurt(actor const*, int, beam_type, bool, bool)
/usr/games/crawl-git-756d4b8fc9(_ZN4bolt14affect_monsterEP7monster+0xb9c) [0x5c381c]: bolt::affect_monster(monster*)
/usr/games/crawl-git-756d4b8fc9(_ZN4bolt11affect_cellEv+0x1ae) [0x5c43fe]: bolt::affect_cell()
/usr/games/crawl-git-756d4b8fc9(_ZN4bolt7do_fireEv+0x370) [0x5c4860]: bolt::do_fire()
/usr/games/crawl-git-756d4b8fc9(_ZN4bolt4fireEv+0x1628) [0x5c62c8]: bolt::fire()
/usr/games/crawl-git-756d4b8fc9(_Z9mons_castP7monsterR4bolt10spell_typebb+0x2b5) [0x859c35]: mons_cast(monster*, bolt&, spell_type, bool, bool)
/usr/games/crawl-git-756d4b8fc9(_Z16handle_mon_spellP7monsterR4bolt+0x14b7) [0x865677]: handle_mon_spell(monster*, bolt&)
/usr/games/crawl-git-756d4b8fc9() [0x4f0d8c]
/usr/games/crawl-git-756d4b8fc9(_Z19handle_monster_moveP7monster+0x17b8) [0x847148]: handle_monster_move(monster*)
/usr/games/crawl-git-756d4b8fc9(_Z15handle_monstersb+0x78f) [0x84828f]: handle_monsters(bool)
/usr/games/crawl-git-756d4b8fc9(_Z12world_reactsv+0x124) [0x7bf644]: world_reacts()
/usr/games/crawl-git-756d4b8fc9() [0x7c616c]
/usr/games/crawl-git-756d4b8fc9(main+0x5f5) [0x4fd195]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f6532009ead]: 
/usr/games/crawl-git-756d4b8fc9() [0x56f119]