Obtained 49 stack frames.
/usr/games/crawl-git-dd6ab6a78e(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x67be83]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-git-dd6ab6a78e(_Z20crash_signal_handleri+0x174) [0x67c1f4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7fb2a758f1e0]: 
/usr/games/crawl-git-dd6ab6a78e() [0x86df10]
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7fb2a758f1e0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(waitpid+0x1c) [0x7fb2a78f7c4c]: 
/usr/games/crawl-git-dd6ab6a78e(_Z8call_gdbP8_IO_FILE+0x1c3) [0x67c543]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-dd6ab6a78e(_Z13do_crash_dumpv+0x2d1) [0x682a61]: do_crash_dump()
/usr/games/crawl-git-dd6ab6a78e(_Z20crash_signal_handleri+0x74) [0x67c0f4]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7fb2a758f1e0]: 
/usr/games/crawl-git-dd6ab6a78e() [0x84a437]
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xca28) [0x7fb2a8e08a28]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x17328) [0x7fb2a8e13328]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xce7d) [0x7fb2a8e08e7d]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc0ca) [0x7fb2a8e080ca]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd02f) [0x7fb2a8e0902f]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x51) [0x7fb2a8e04b41]: 
/usr/games/crawl-git-dd6ab6a78e(_ZN4CLua6callfnEPKcii+0xbf) [0x66805f]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-dd6ab6a78e(_ZN14map_lua_marker16notify_dgn_eventERK9dgn_event+0x61) [0x8bdc81]: map_lua_marker::notify_dgn_event(dgn_event const&)
/usr/games/crawl-git-dd6ab6a78e(_ZN20dgn_event_dispatcher10fire_eventERK9dgn_event+0xae) [0x6dbc8e]: dgn_event_dispatcher::fire_event(dgn_event const&)
/usr/games/crawl-git-dd6ab6a78e(_Z24fire_monster_death_eventP7monster11killer_typeib+0x181) [0x92bcf1]: fire_monster_death_event(monster*, killer_type, int, bool)
/usr/games/crawl-git-dd6ab6a78e(_Z11monster_dieR7monster11killer_typeibbb+0x1758) [0x933038]: monster_die(monster&, killer_type, int, bool, bool, bool)
/usr/games/crawl-git-dd6ab6a78e() [0x8637da]
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xca28) [0x7fb2a8e08a28]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x17328) [0x7fb2a8e13328]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xce7d) [0x7fb2a8e08e7d]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc0ca) [0x7fb2a8e080ca]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd02f) [0x7fb2a8e0902f]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x51) [0x7fb2a8e04b41]: 
/usr/games/crawl-git-dd6ab6a78e(_ZN4CLua6callfnEPKcii+0xbf) [0x66805f]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-dd6ab6a78e(_ZN14map_lua_marker16notify_dgn_eventERK9dgn_event+0x61) [0x8bdc81]: map_lua_marker::notify_dgn_event(dgn_event const&)
/usr/games/crawl-git-dd6ab6a78e(_ZN20dgn_event_dispatcher10fire_eventERK9dgn_event+0xae) [0x6dbc8e]: dgn_event_dispatcher::fire_event(dgn_event const&)
/usr/games/crawl-git-dd6ab6a78e(_Z24fire_monster_death_eventP7monster11killer_typeib+0x181) [0x92bcf1]: fire_monster_death_event(monster*, killer_type, int, bool)
/usr/games/crawl-git-dd6ab6a78e(_Z11monster_dieR7monster11killer_typeibbb+0x1758) [0x933038]: monster_die(monster&, killer_type, int, bool, bool, bool)
/usr/games/crawl-git-dd6ab6a78e(_ZN4bolt14affect_monsterEP7monster+0xe21) [0x641621]: bolt::affect_monster(monster*)
/usr/games/crawl-git-dd6ab6a78e(_ZN4bolt11affect_cellEv+0xd9) [0x642029]: bolt::affect_cell()
/usr/games/crawl-git-dd6ab6a78e(_ZN4bolt7do_fireEv+0x2c7) [0x6423d7]: bolt::do_fire()
/usr/games/crawl-git-dd6ab6a78e(_ZN4bolt4fireEv+0xfd0) [0x6440b0]: bolt::fire()
/usr/games/crawl-git-dd6ab6a78e(_Z9mons_castP7monster4bolt10spell_type13enum_bitfieldI19mon_spell_slot_flagLi11EEb+0x1515) [0x9176c5]: mons_cast(monster*, bolt, spell_type, enum_bitfield<mon_spell_slot_flag, 11>, bool)
/usr/games/crawl-git-dd6ab6a78e(_Z22dithmenos_shadow_spellP4bolt10spell_type+0xb6f) [0x78721f]: dithmenos_shadow_spell(bolt*, spell_type)
/usr/games/crawl-git-dd6ab6a78e(_Z11your_spells10spell_typeibPK8item_def+0x20b4) [0xa8baf4]: your_spells(spell_type, int, bool, item_def const*)
/usr/games/crawl-git-dd6ab6a78e(_Z12cast_a_spellb10spell_type+0x2d4) [0xa8f5a4]: cast_a_spell(bool, spell_type)
/usr/games/crawl-git-dd6ab6a78e(_Z17do_cast_spell_cmdb+0x12) [0xa8fa32]: do_cast_spell_cmd(bool)
/usr/games/crawl-git-dd6ab6a78e(_Z15process_command12command_type+0x1fe) [0xbc159e]: process_command(command_type)
/usr/games/crawl-git-dd6ab6a78e() [0xbc44d9]
/usr/games/crawl-git-dd6ab6a78e() [0xbc5105]
/usr/games/crawl-git-dd6ab6a78e(main+0x2eb) [0x5e943b]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fb2a757bead]: 
/usr/games/crawl-git-dd6ab6a78e() [0x5e99ed]