Obtained 36 stack frames.
/usr/games/crawl-git-3eaa6fa3b2(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x55aa3864f7ae]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-3eaa6fa3b2(_Z20crash_signal_handleri+0x18f) [0x55aa3864fc1f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x774d63fe9330]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcdf97b) [0x55aa38e3a97b]: 
/usr/games/crawl-git-3eaa6fa3b2(lua_next+0x32) [0x55aa38e2cf32]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcea541) [0x55aa38e45541]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd4f13) [0x55aa38e2ff13]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd5162) [0x55aa38e30162]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xce3a14) [0x55aa38e3ea14]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd522d) [0x55aa38e3022d]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd4073) [0x55aa38e2f073]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd5654) [0x55aa38e30654]: 
/usr/games/crawl-git-3eaa6fa3b2(lua_pcallk+0x95) [0x55aa38e2c905]: 
/usr/games/crawl-git-3eaa6fa3b2(_ZN4CLua5pcallEii+0x60) [0x55aa386347a0]: CLua::pcall(int, int)
/usr/games/crawl-git-3eaa6fa3b2(_ZN4CLua6callfnEPKcii+0xb4) [0x55aa386360c4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-3eaa6fa3b2(_Z13do_crash_dumpv+0x1b84) [0x55aa3865f134]: do_crash_dump()
/usr/games/crawl-git-3eaa6fa3b2(_Z20crash_signal_handleri+0x1fa) [0x55aa3864fc8a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x774d63fe9330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x774d64042b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x774d63fe927e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x774d63fcc8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x774d63fcd7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x774d6404cff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x774d6404f12c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x774d64051dae]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xce7ba1) [0x55aa38e42ba1]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd91f9) [0x55aa38e341f9]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd65a1) [0x55aa38e315a1]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcd8956) [0x55aa38e33956]: 
/usr/games/crawl-git-3eaa6fa3b2(+0xcde666) [0x55aa38e39666]: 
/usr/games/crawl-git-3eaa6fa3b2(_ZN4CLua5closeEv+0xbe) [0x55aa386369ae]: CLua::close()
/usr/games/crawl-git-3eaa6fa3b2(+0x2f5026) [0x55aa38450026]: 
/usr/games/crawl-git-3eaa6fa3b2(+0x2f7ff2) [0x55aa38452ff2]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x774d63fce1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x774d63fce28b]: 
/usr/games/crawl-git-3eaa6fa3b2(_start+0x25) [0x55aa38581e35]: