Obtained 21 stack frames.
/usr/games/crawl-git-7c84da036a(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x558638bae01f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-7c84da036a(_Z20crash_signal_handleri+0x18f) [0x558638bae43f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f7d6ecc6210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f7d6ee8724b]: 
/usr/games/crawl-git-7c84da036a(+0x42433d) [0x558638bb533d]: 
/usr/games/crawl-git-7c84da036a(+0x424666) [0x558638bb5666]: 
/usr/games/crawl-git-7c84da036a(+0xa41562) [0x5586391d2562]: 
/usr/games/crawl-git-7c84da036a(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x128) [0x5586391d4b98]: TilesFramework::send_milestone(xlog_fields const&)
/usr/games/crawl-git-7c84da036a(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x4c2) [0x558638d1d022]: 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-7c84da036a(_Z13do_crash_dumpv+0x245e) [0x558638bb7c3e]: do_crash_dump()
/usr/games/crawl-git-7c84da036a(_Z20crash_signal_handleri+0x1fa) [0x558638bae4aa]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f7d6ecc6210]: 
/usr/games/crawl-git-7c84da036a(_ZN20avoided_death_fineff4fireEv+0x15) [0x558638caf4d5]: avoided_death_fineff::fire()
/usr/games/crawl-git-7c84da036a(_Z18fire_final_effectsv+0x39) [0x558638cafb19]: fire_final_effects()
/usr/games/crawl-git-7c84da036a(_Z15handle_monstersb+0xb2c) [0x558638ea73dc]: handle_monsters(bool)
/usr/games/crawl-git-7c84da036a(_Z12world_reactsv+0xf9) [0x5586391eb2c9]: world_reacts()
/usr/games/crawl-git-7c84da036a(+0xa5c1a3) [0x5586391ed1a3]: 
/usr/games/crawl-git-7c84da036a(+0xa5cbfd) [0x5586391edbfd]: 
/usr/games/crawl-git-7c84da036a(main+0x1a5) [0x558638b06b65]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f7d6eca70b3]: 
/usr/games/crawl-git-7c84da036a(_start+0x2e) [0x558638b0767e]: