Obtained 35 stack frames.
/usr/games/crawl-git-99c0725460(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x564f181e9f0e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-99c0725460(_Z20crash_signal_handleri+0x18f) [0x564f181ea37f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x777a69442910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x777a6949999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x777a69442866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x777a694268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x777a69427750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x777a694a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa7bdc) [0x777a694a7bdc]: 
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x256) [0x777a694a8d36]: 
/usr/games/crawl-git-99c0725460(+0xcb8404) [0x564f189ba404]: 
/usr/games/crawl-git-99c0725460(+0xcb3365) [0x564f189b5365]: 
/usr/games/crawl-git-99c0725460(+0xcb41d2) [0x564f189b61d2]: 
/usr/games/crawl-git-99c0725460(+0xcb43e4) [0x564f189b63e4]: 
/usr/games/crawl-git-99c0725460(+0xcb3243) [0x564f189b5243]: 
/usr/games/crawl-git-99c0725460(+0xcb4824) [0x564f189b6824]: 
/usr/games/crawl-git-99c0725460(lua_pcallk+0x95) [0x564f189b2ad5]: 
/usr/games/crawl-git-99c0725460(_ZN4CLua5pcallEii+0x60) [0x564f181ceea0]: CLua::pcall(int, int)
/usr/games/crawl-git-99c0725460(_ZN4CLua6callfnEPKcii+0xb4) [0x564f181d07c4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-99c0725460(_Z13do_crash_dumpv+0x1b94) [0x564f181f98a4]: do_crash_dump()
/usr/games/crawl-git-99c0725460(_Z20crash_signal_handleri+0x1fa) [0x564f181ea3ea]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x777a69442910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x777a6949999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x777a69442866]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xd7) [0x777a694268b7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x27750) [0x777a69427750]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa3c67) [0x777a694a3c67]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5ea4) [0x777a694a5ea4]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x777a694a87f3]: 
/usr/games/crawl-git-99c0725460(_Z18clear_rays_on_exitv+0xce) [0x564f184c1e7e]: clear_rays_on_exit()
/usr/games/crawl-git-99c0725460(_Z3endibPKcz+0x1f2) [0x564f182d08f2]: end(int, bool, char const*, ...)
/usr/games/crawl-git-99c0725460(+0x2f1de9) [0x564f17ff3de9]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x777a694280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x777a69428189]: 
/usr/games/crawl-git-99c0725460(_start+0x25) [0x564f1811de55]: