Obtained 30 stack frames.
/usr/games/crawl-git-0bdd5ba030(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x5561ea1738af]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-0bdd5ba030(_Z20crash_signal_handleri+0x18f) [0x5561ea173ccf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f7cdcd6b210]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x4b) [0x7f7cdcd6b48b]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xb4) [0x7f7cdcd4a7e2]: 
/usr/games/crawl-git-0bdd5ba030(+0x41f8f2) [0x5561ea17a8f2]: 
/usr/games/crawl-git-0bdd5ba030(+0x41fc16) [0x5561ea17ac16]: 
/usr/games/crawl-git-0bdd5ba030(+0xa355a2) [0x5561ea7905a2]: 
/usr/games/crawl-git-0bdd5ba030(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x128) [0x5561ea792bd8]: TilesFramework::send_milestone(xlog_fields const&)
/usr/games/crawl-git-0bdd5ba030(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x4c2) [0x5561ea2de1c2]: mark_milestone(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, long)
/usr/games/crawl-git-0bdd5ba030(_Z13do_crash_dumpv+0x245e) [0x5561ea17d1ee]: do_crash_dump()
/usr/games/crawl-git-0bdd5ba030(_Z20crash_signal_handleri+0x1fa) [0x5561ea173d3a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f7cdcd6b210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f7cdcf2c24b]: 
/usr/games/crawl-git-0bdd5ba030(+0x41f8ed) [0x5561ea17a8ed]: 
/usr/games/crawl-git-0bdd5ba030(+0x41faa5) [0x5561ea17aaa5]: 
/usr/games/crawl-git-0bdd5ba030(_Z13add_companionP7monster+0x2ae) [0x5561ea2a182e]: add_companion(monster*)
/usr/games/crawl-git-0bdd5ba030(_Z17beogh_convert_orcP7monster6conv_t+0x159) [0x5561ea11e1d9]: beogh_convert_orc(monster*, conv_t)
/usr/games/crawl-git-0bdd5ba030(+0x738839) [0x5561ea493839]: 
/usr/games/crawl-git-0bdd5ba030(_Z11monster_dieR7monster11killer_typeibbb+0x37a7) [0x5561ea49ea57]: monster_die(monster&, killer_type, int, bool, bool, bool)
/usr/games/crawl-git-0bdd5ba030(_ZN6attack19handle_phase_killedEv+0x46) [0x5561ea117496]: attack::handle_phase_killed()
/usr/games/crawl-git-0bdd5ba030(_ZN12melee_attack6attackEv+0x2eb) [0x5561ea43cfdb]: melee_attack::attack()
/usr/games/crawl-git-0bdd5ba030(_Z11fight_meleeP5actorS0_Pbb+0x45b) [0x5561ea248f1b]: fight_melee(actor*, actor*, bool*, bool)
/usr/games/crawl-git-0bdd5ba030(_Z18move_player_action9coord_def+0x14a4) [0x5561ea528464]: move_player_action(coord_def)
/usr/games/crawl-git-0bdd5ba030(_Z15process_command12command_typeS_+0x170c) [0x5561ea7ad50c]: process_command(command_type, command_type)
/usr/games/crawl-git-0bdd5ba030(+0xa50112) [0x5561ea7ab112]: 
/usr/games/crawl-git-0bdd5ba030(+0xa508bd) [0x5561ea7ab8bd]: 
/usr/games/crawl-git-0bdd5ba030(main+0x1a5) [0x5561ea0cd405]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f7cdcd4c0b3]: 
/usr/games/crawl-git-0bdd5ba030(_start+0x2e) [0x5561ea0cdf1e]: