Obtained 23 stack frames.
/usr/games/crawl-git-8383568036(_Z17write_stack_traceP8_IO_FILE+0x28) [0x55e408c49528]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-8383568036(_Z20crash_signal_handleri+0x1bd) [0x55e408c4996d]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7fbf3e920060]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x10) [0x7fbf3e9202e0]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xe1) [0x7fbf3e9213a1]: 
/usr/games/crawl-git-8383568036(+0x39400b) [0x55e408c5100b]: 
/usr/games/crawl-git-8383568036(+0x39429d) [0x55e408c5129d]: 
/usr/games/crawl-git-8383568036(+0x95bc10) [0x55e409218c10]: 
/usr/games/crawl-git-8383568036(_ZN14TilesFramework14send_milestoneERK11xlog_fields+0x108) [0x55e409219338]: TilesFramework::send_milestone(xlog_fields const&)
/usr/games/crawl-git-8383568036(_Z14mark_milestoneRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES6_S6_l+0x43d) [0x55e408da40ad]: 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-8383568036(_Z13do_crash_dumpv+0x2107) [0x55e408c534d7]: do_crash_dump()
/usr/games/crawl-git-8383568036(_Z20crash_signal_handleri+0x7e) [0x55e408c4982e]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x33060) [0x7fbf3e920060]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcf) [0x7fbf3ec9cf9f]: 
/usr/games/crawl-git-8383568036(+0x394006) [0x55e408c51006]: 
/usr/games/crawl-git-8383568036(_Z12AssertFailedPKcS0_iS0_z+0x14b) [0x55e408c5115b]: AssertFailed(char const*, char const*, int, char const*, ...)
/usr/games/crawl-git-8383568036(_ZN12BaseRunDelay6handleEv+0x1dd) [0x55e408c6b3dd]: BaseRunDelay::handle()
/usr/games/crawl-git-8383568036(_Z12handle_delayv+0x37) [0x55e408c6a207]: handle_delay()
/usr/games/crawl-git-8383568036(+0x9725b6) [0x55e40922f5b6]: 
/usr/games/crawl-git-8383568036(+0x972e15) [0x55e40922fe15]: 
/usr/games/crawl-git-8383568036(main+0x345) [0x55e408ba3fa5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7fbf3e90d2e1]: 
/usr/games/crawl-git-8383568036(_start+0x2a) [0x55e408ba493a]: