Obtained 36 stack frames.
/usr/games/crawl-git-71c15dacbf(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5bfe77c8b4be]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-71c15dacbf(_Z20crash_signal_handleri+0x18f) [0x5bfe77c8b92f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e3b071a3330]: 
/usr/games/crawl-git-71c15dacbf(+0xcdf61b) [0x5bfe7847661b]: 
/usr/games/crawl-git-71c15dacbf(lua_next+0x32) [0x5bfe78468bd2]: 
/usr/games/crawl-git-71c15dacbf(+0xcea1e1) [0x5bfe784811e1]: 
/usr/games/crawl-git-71c15dacbf(+0xcd4bb3) [0x5bfe7846bbb3]: 
/usr/games/crawl-git-71c15dacbf(+0xcd4e02) [0x5bfe7846be02]: 
/usr/games/crawl-git-71c15dacbf(+0xce36b4) [0x5bfe7847a6b4]: 
/usr/games/crawl-git-71c15dacbf(+0xcd4ecd) [0x5bfe7846becd]: 
/usr/games/crawl-git-71c15dacbf(+0xcd3d13) [0x5bfe7846ad13]: 
/usr/games/crawl-git-71c15dacbf(+0xcd52f4) [0x5bfe7846c2f4]: 
/usr/games/crawl-git-71c15dacbf(lua_pcallk+0x95) [0x5bfe784685a5]: 
/usr/games/crawl-git-71c15dacbf(_ZN4CLua5pcallEii+0x60) [0x5bfe77c704b0]: CLua::pcall(int, int)
/usr/games/crawl-git-71c15dacbf(_ZN4CLua6callfnEPKcii+0xb4) [0x5bfe77c71dd4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-71c15dacbf(_Z13do_crash_dumpv+0x1b84) [0x5bfe77c9ae44]: do_crash_dump()
/usr/games/crawl-git-71c15dacbf(_Z20crash_signal_handleri+0x1fa) [0x5bfe77c8b99a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e3b071a3330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7e3b071fcb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7e3b071a327e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7e3b071868ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7e3b071877b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7e3b07206ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7e3b0720938c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7e3b0720bdae]: 
/usr/games/crawl-git-71c15dacbf(+0xce7841) [0x5bfe7847e841]: 
/usr/games/crawl-git-71c15dacbf(+0xcd8e99) [0x5bfe7846fe99]: 
/usr/games/crawl-git-71c15dacbf(+0xcdf785) [0x5bfe78476785]: 
/usr/games/crawl-git-71c15dacbf(+0xcd85f6) [0x5bfe7846f5f6]: 
/usr/games/crawl-git-71c15dacbf(+0xcde306) [0x5bfe78475306]: 
/usr/games/crawl-git-71c15dacbf(_ZN4CLua5closeEv+0xbe) [0x5bfe77c726be]: CLua::close()
/usr/games/crawl-git-71c15dacbf(+0x2f4eae) [0x5bfe77a8beae]: 
/usr/games/crawl-git-71c15dacbf(+0x2f7e7a) [0x5bfe77a8ee7a]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7e3b071881ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7e3b0718828b]: 
/usr/games/crawl-git-71c15dacbf(_start+0x25) [0x5bfe77bbdb45]: