Obtained 29 stack frames.
/usr/games/crawl-git-bc3f381ebc(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55f5b8364d7f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-bc3f381ebc(_Z20crash_signal_handleri+0x18f) [0x55f5b836519f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f6cc278d210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f6cc294e24b]: 
/usr/games/crawl-git-bc3f381ebc(+0x41dded) [0x55f5b836bded]: 
/usr/games/crawl-git-bc3f381ebc(+0x41e116) [0x55f5b836c116]: 
/usr/games/crawl-git-bc3f381ebc(+0xa2e8e2) [0x55f5b897c8e2]: 
/usr/games/crawl-git-bc3f381ebc(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x128) [0x55f5b897eed8]: TilesFramework::send_milestone(xlog_fields const&)
/usr/games/crawl-git-bc3f381ebc(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x4c2) [0x55f5b84cf912]: 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-bc3f381ebc(_Z13do_crash_dumpv+0x245e) [0x55f5b836e6ee]: do_crash_dump()
/usr/games/crawl-git-bc3f381ebc(_Z20crash_signal_handleri+0x1fa) [0x55f5b836520a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f6cc278d210]: 
/usr/games/crawl-git-bc3f381ebc(_ZNKSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_15CrawlStoreValueESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE4findERS7_+0x16) [0x55f5b888e386]: std::_Rb_tree<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, CrawlStoreValue>, std::_Select1st<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, CrawlStoreValue> >, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, CrawlStoreValue> > >::find(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const
/usr/games/crawl-git-bc3f381ebc(_ZNK14CrawlHashTable6existsERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x11) [0x55f5b888bfe1]: CrawlHashTable::exists(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const
/usr/games/crawl-git-bc3f381ebc(_Z12tileidx_itemRK8item_def+0x60) [0x55f5b89672d0]: tileidx_item(item_def const&)
/usr/games/crawl-git-bc3f381ebc(_Z15tileidx_monsterRK12monster_info+0x8c8) [0x55f5b8969ba8]: tileidx_monster(monster_info const&)
/usr/games/crawl-git-bc3f381ebc(_Z18tile_draw_map_cellRK9coord_defb+0xc7) [0x55f5b896fc37]: tile_draw_map_cell(coord_def const&, bool)
/usr/games/crawl-git-bc3f381ebc(_Z14view_update_atRK9coord_def+0x4a) [0x55f5b891977a]: view_update_at(coord_def const&)
/usr/games/crawl-git-bc3f381ebc(_ZNK7monster12check_redrawERK9coord_defb+0xa8) [0x55f5b8710e38]: monster::check_redraw(coord_def const&, bool) const
/usr/games/crawl-git-bc3f381ebc(+0x7032a0) [0x55f5b86512a0]: 
/usr/games/crawl-git-bc3f381ebc(+0x7045df) [0x55f5b86525df]: 
/usr/games/crawl-git-bc3f381ebc(_Z19handle_monster_moveP7monster+0x212c) [0x55f5b8655b0c]: handle_monster_move(monster*)
/usr/games/crawl-git-bc3f381ebc(_Z15handle_monstersb+0xb12) [0x55f5b8656d52]: handle_monsters(bool)
/usr/games/crawl-git-bc3f381ebc(_Z12world_reactsv+0xf9) [0x55f5b8994a39]: world_reacts()
/usr/games/crawl-git-bc3f381ebc(+0xa48863) [0x55f5b8996863]: 
/usr/games/crawl-git-bc3f381ebc(+0xa4924d) [0x55f5b899724d]: 
/usr/games/crawl-git-bc3f381ebc(main+0x1a5) [0x55f5b82bfb45]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f6cc276e0b3]: 
/usr/games/crawl-git-bc3f381ebc(_start+0x2e) [0x55f5b82c065e]: