Obtained 36 stack frames.
/usr/games/crawl-git-9c4cb8273d(_Z17write_stack_traceP8_IO_FILE+0x28) [0x55b4e1a70658]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-9c4cb8273d(_Z20crash_signal_handleri+0x1bd) [0x55b4e1a70a9d]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7f65bdbb5060]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x10) [0x7f65bdbb52e0]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xe1) [0x7f65bdbb63a1]: 
/usr/games/crawl-git-9c4cb8273d(+0x39513b) [0x55b4e1a7813b]: 
/usr/games/crawl-git-9c4cb8273d(+0x3953cd) [0x55b4e1a783cd]: 
/usr/games/crawl-git-9c4cb8273d(+0x95ebc0) [0x55b4e2041bc0]: 
/usr/games/crawl-git-9c4cb8273d(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x108) [0x55b4e20422e8]: TilesFramework::send_milestone(xlog_fields const&)
/usr/games/crawl-git-9c4cb8273d(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x43d) [0x55b4e1bcb4cd]: 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-9c4cb8273d(_Z13do_crash_dumpv+0x2107) [0x55b4e1a7a607]: do_crash_dump()
/usr/games/crawl-git-9c4cb8273d(_Z20crash_signal_handleri+0x7e) [0x55b4e1a7095e]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7f65bdbb5060]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcf) [0x7f65bdf31f9f]: 
/usr/games/crawl-git-9c4cb8273d(+0x395136) [0x55b4e1a78136]: 
/usr/games/crawl-git-9c4cb8273d(+0x3952a2) [0x55b4e1a782a2]: 
/usr/games/crawl-git-9c4cb8273d(+0x6b95ac) [0x55b4e1d9c5ac]: 
/usr/games/crawl-git-9c4cb8273d(_Z13place_monster9mgen_databb+0x205) [0x55b4e1d9f025]: place_monster(mgen_data, bool, bool)
/usr/games/crawl-git-9c4cb8273d(_Z10mons_place9mgen_data+0x1ec) [0x55b4e1d9fd2c]: mons_place(mgen_data)
/usr/games/crawl-git-9c4cb8273d(_Z14create_monster9mgen_datab+0x308) [0x55b4e1da13a8]: create_monster(mgen_data, bool)
/usr/games/crawl-git-9c4cb8273d(_Z4ouchi16kill_method_typejPKcbS1_+0x1bbd) [0x55b4e1e1e46d]: ouch(int, kill_method_type, unsigned int, char const*, bool, char const*)
/usr/games/crawl-git-9c4cb8273d(_ZN4bolt13affect_playerEv+0x63c) [0x55b4e1a2b10c]: bolt::affect_player()
/usr/games/crawl-git-9c4cb8273d(_ZN4bolt11affect_cellEv+0x207) [0x55b4e1a304c7]: bolt::affect_cell()
/usr/games/crawl-git-9c4cb8273d(_ZN4bolt21explosion_affect_cellERK9coord_def+0x2c) [0x55b4e1a305bc]: bolt::explosion_affect_cell(coord_def const&)
/usr/games/crawl-git-9c4cb8273d(_ZN4bolt7explodeEbb+0x7c8) [0x55b4e1a30da8]: bolt::explode(bool, bool)
/usr/games/crawl-git-9c4cb8273d(_ZN16explosion_fineff4fireEv+0x6e) [0x55b4e1b6422e]: explosion_fineff::fire()
/usr/games/crawl-git-9c4cb8273d(_Z18fire_final_effectsv+0x2e) [0x55b4e1b628fe]: fire_final_effects()
/usr/games/crawl-git-9c4cb8273d(_Z11fight_meleeP5actorS0_Pbb+0x334) [0x55b4e1b40404]: fight_melee(actor*, actor*, bool*, bool)
/usr/games/crawl-git-9c4cb8273d(_Z19handle_monster_moveP7monster+0x16b9) [0x55b4e1d3ac49]: handle_monster_move(monster*)
/usr/games/crawl-git-9c4cb8273d(_Z15handle_monstersb+0x8fc) [0x55b4e1d3c1dc]: handle_monsters(bool)
/usr/games/crawl-git-9c4cb8273d(_Z12world_reactsv+0xe2) [0x55b4e2056dd2]: world_reacts()
/usr/games/crawl-git-9c4cb8273d(+0x976060) [0x55b4e2059060]: 
/usr/games/crawl-git-9c4cb8273d(+0x976605) [0x55b4e2059605]: 
/usr/games/crawl-git-9c4cb8273d(main+0x345) [0x55b4e19ca885]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7f65bdba22e1]: 
/usr/games/crawl-git-9c4cb8273d(_start+0x2a) [0x55b4e19cb21a]: