Obtained 31 stack frames.
/usr/games/crawl-git-3aa0c7bdef(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x645e4112165e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-3aa0c7bdef(_Z20crash_signal_handleri+0x18f) [0x645e41121acf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7f291d230330]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x7f291d2fb7d5]: 
/usr/games/crawl-git-3aa0c7bdef(_Z8call_gdbP8_IO_FILE+0xec) [0x645e41121d0c]: call_gdb(_IO_FILE*)
/usr/games/crawl-git-3aa0c7bdef(_Z13do_crash_dumpv+0x458) [0x645e4112f8d8]: do_crash_dump()
/usr/games/crawl-git-3aa0c7bdef(_Z20crash_signal_handleri+0x1fa) [0x645e41121b3a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7f291d230330]: 
/usr/games/crawl-git-3aa0c7bdef(+0xac9c9a) [0x645e416ebc9a]: 
/usr/games/crawl-git-3aa0c7bdef(+0xace99d) [0x645e416f099d]: 
/usr/games/crawl-git-3aa0c7bdef(_Z20desc_beam_hit_chanceB5cxx11RK12monster_infoP8targeter+0x53) [0x645e416f0c93]: desc_beam_hit_chance[abi:cxx11](monster_info const&, targeter*)
/usr/games/crawl-git-3aa0c7bdef(_ZNSt17_Function_handlerIFSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EERK12monster_infoESt5_BindIFPFS8_SB_P8targeterESt12_PlaceholderILi1EESF_EEE9_M_invokeERKSt9_Any_dataSB_+0x2b) [0x645e4106aa7b]: std::_Function_handler<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > (monster_info const&), std::_Bind<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > (*(std::_Placeholder<1>, targeter*))(monster_info const&, targeter*)> >::_M_invoke(std::_Any_data const&, monster_info const&)
/usr/games/crawl-git-3aa0c7bdef(_ZN19targeting_behaviour16get_monster_descB5cxx11ERK12monster_info+0x45) [0x645e411c3665]: targeting_behaviour::get_monster_desc[abi:cxx11](monster_info const&)
/usr/games/crawl-git-3aa0c7bdef(+0x5a226f) [0x645e411c426f]: 
/usr/games/crawl-git-3aa0c7bdef(_Z24cell_monster_descriptionB5cxx11RK9coord_defbP19targeting_behaviour+0xe9) [0x645e411c91e9]: cell_monster_description[abi:cxx11](coord_def const&, bool, targeting_behaviour*)
/usr/games/crawl-git-3aa0c7bdef(_ZNK17direction_chooser32print_target_monster_descriptionERb+0x3f) [0x645e411c96ef]: direction_chooser::print_target_monster_description(bool&) const
/usr/games/crawl-git-3aa0c7bdef(_ZNK17direction_chooser24print_target_descriptionERb+0x13) [0x645e411c98b3]: direction_chooser::print_target_description(bool&) const
/usr/games/crawl-git-3aa0c7bdef(_ZNK17direction_chooser13describe_cellEv+0x10a) [0x645e411ce87a]: direction_chooser::describe_cell() const
/usr/games/crawl-git-3aa0c7bdef(_ZN17direction_chooser19show_initial_promptEv+0x49) [0x645e411ceb19]: direction_chooser::show_initial_prompt()
/usr/games/crawl-git-3aa0c7bdef(_ZN17direction_chooser16choose_directionEv+0x187) [0x645e411d05b7]: direction_chooser::choose_direction()
/usr/games/crawl-git-3aa0c7bdef(_Z9directionR4distRK22direction_chooser_args+0x80) [0x645e411d09d0]: direction(dist&, direction_chooser_args const&)
/usr/games/crawl-git-3aa0c7bdef(_Z15spell_directionR4distR4boltP22direction_chooser_args+0x1c8) [0x645e4175a3d8]: spell_direction(dist&, bolt&, direction_chooser_args*)
/usr/games/crawl-git-3aa0c7bdef(_Z11your_spells10spell_typeibPK8item_defP4distb+0x72e) [0x645e416f8f7e]: your_spells(spell_type, int, bool, item_def const*, dist*, bool)
/usr/games/crawl-git-3aa0c7bdef(_Z12cast_a_spellb10spell_typeP4distb+0x408) [0x645e416fbe48]: cast_a_spell(bool, spell_type, dist*, bool)
/usr/games/crawl-git-3aa0c7bdef(_Z17do_cast_spell_cmdb+0x1a) [0x645e416fcc8a]: do_cast_spell_cmd(bool)
/usr/games/crawl-git-3aa0c7bdef(+0xcd2c42) [0x645e418f4c42]: 
/usr/games/crawl-git-3aa0c7bdef(+0xcd36b5) [0x645e418f56b5]: 
/usr/games/crawl-git-3aa0c7bdef(main+0x1f7) [0x645e41052df7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7f291d2151ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7f291d21528b]: 
/usr/games/crawl-git-3aa0c7bdef(_start+0x25) [0x645e410538e5]: