Obtained 35 stack frames.
/usr/games/crawl-git-53de3f577f(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x573c566a043e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-53de3f577f(_Z20crash_signal_handleri+0x18f) [0x573c566a08af]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7ad70bb5f330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7ad70bbb8b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7ad70bb5f27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7ad70bb428ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7ad70bb437b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7ad70bbc2ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xad13c) [0x7ad70bbc713c]: 
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x255) [0x7ad70bbc82f5]: 
/usr/games/crawl-git-53de3f577f(+0xcb86e4) [0x573c56e706e4]: 
/usr/games/crawl-git-53de3f577f(+0xcb3645) [0x573c56e6b645]: 
/usr/games/crawl-git-53de3f577f(+0xcb44b2) [0x573c56e6c4b2]: 
/usr/games/crawl-git-53de3f577f(+0xcb46c4) [0x573c56e6c6c4]: 
/usr/games/crawl-git-53de3f577f(+0xcb3523) [0x573c56e6b523]: 
/usr/games/crawl-git-53de3f577f(+0xcb4b04) [0x573c56e6cb04]: 
/usr/games/crawl-git-53de3f577f(lua_pcallk+0x95) [0x573c56e68db5]: 
/usr/games/crawl-git-53de3f577f(_ZN4CLua5pcallEii+0x60) [0x573c566854a0]: CLua::pcall(int, int)
/usr/games/crawl-git-53de3f577f(_ZN4CLua6callfnEPKcii+0xb4) [0x573c56686dc4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-53de3f577f(_Z13do_crash_dumpv+0x1a1a) [0x573c566afc5a]: do_crash_dump()
/usr/games/crawl-git-53de3f577f(_Z20crash_signal_handleri+0x1fa) [0x573c566a091a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7ad70bb5f330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7ad70bbb8b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7ad70bb5f27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7ad70bb428ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7ad70bb437b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7ad70bbc2ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7ad70bbc538c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7ad70bbc7dae]: 
/usr/games/crawl-git-53de3f577f(_Z18clear_rays_on_exitv+0xd6) [0x573c569785a6]: clear_rays_on_exit()
/usr/games/crawl-git-53de3f577f(_Z3endibPKcz+0x1f2) [0x573c56786ca2]: end(int, bool, char const*, ...)
/usr/games/crawl-git-53de3f577f(+0x2f23c4) [0x573c564aa3c4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7ad70bb441ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7ad70bb4428b]: 
/usr/games/crawl-git-53de3f577f(_start+0x25) [0x573c565d4495]: