Obtained 30 stack frames.
/usr/games/crawl-git-05a166d0ed(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55c756fd983f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-05a166d0ed(_Z20crash_signal_handleri+0x18f) [0x55c756fd9c5f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f432d57b210]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x4b) [0x7f432d57b48b]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xb4) [0x7f432d55a7e2]: 
/usr/games/crawl-git-05a166d0ed(+0x41f882) [0x55c756fe0882]: 
/usr/games/crawl-git-05a166d0ed(+0x41fba6) [0x55c756fe0ba6]: 
/usr/games/crawl-git-05a166d0ed(+0xa35352) [0x55c7575f6352]: 
/usr/games/crawl-git-05a166d0ed(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x128) [0x55c7575f8988]: TilesFramework::send_milestone(xlog_fields const&)
/usr/games/crawl-git-05a166d0ed(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x4c2) [0x55c757144022]: 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-05a166d0ed(_Z13do_crash_dumpv+0x245e) [0x55c756fe317e]: do_crash_dump()
/usr/games/crawl-git-05a166d0ed(_Z20crash_signal_handleri+0x1fa) [0x55c756fd9cca]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f432d57b210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f432d73c24b]: 
/usr/games/crawl-git-05a166d0ed(+0x41f87d) [0x55c756fe087d]: 
/usr/games/crawl-git-05a166d0ed(+0x41fa35) [0x55c756fe0a35]: 
/usr/games/crawl-git-05a166d0ed(_Z13add_companionP7monster+0x2ae) [0x55c75710768e]: add_companion(monster*)
/usr/games/crawl-git-05a166d0ed(_Z17beogh_convert_orcP7monster6conv_t+0x159) [0x55c756f84149]: beogh_convert_orc(monster*, conv_t)
/usr/games/crawl-git-05a166d0ed(+0x738779) [0x55c7572f9779]: 
/usr/games/crawl-git-05a166d0ed(_Z11monster_dieR7monster11killer_typeibbb+0x30d7) [0x55c7573044b7]: monster_die(monster&, killer_type, int, bool, bool, bool)
/usr/games/crawl-git-05a166d0ed(_ZN6attack19handle_phase_killedEv+0x46) [0x55c756f7d436]: attack::handle_phase_killed()
/usr/games/crawl-git-05a166d0ed(_ZN12melee_attack6attackEv+0x2eb) [0x55c7572a2f0b]: melee_attack::attack()
/usr/games/crawl-git-05a166d0ed(_Z11fight_meleeP5actorS0_Pbb+0x45b) [0x55c7570aed4b]: fight_melee(actor*, actor*, bool*, bool)
/usr/games/crawl-git-05a166d0ed(_Z18move_player_action9coord_def+0x14a4) [0x55c75738e484]: move_player_action(coord_def)
/usr/games/crawl-git-05a166d0ed(_Z15process_command12command_typeS_+0x510) [0x55c757611f40]: process_command(command_type, command_type)
/usr/games/crawl-git-05a166d0ed(+0xa4fd5a) [0x55c757610d5a]: 
/usr/games/crawl-git-05a166d0ed(+0xa504ed) [0x55c7576114ed]: 
/usr/games/crawl-git-05a166d0ed(main+0x1a5) [0x55c756f333a5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f432d55c0b3]: 
/usr/games/crawl-git-05a166d0ed(_start+0x2e) [0x55c756f33ebe]: