Obtained 36 stack frames.
/usr/games/crawl-git-71c15dacbf(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x62c8798e04be]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-71c15dacbf(_Z20crash_signal_handleri+0x18f) [0x62c8798e092f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x73bf51cb6330]: 
/usr/games/crawl-git-71c15dacbf(+0xcdf61b) [0x62c87a0cb61b]: 
/usr/games/crawl-git-71c15dacbf(lua_next+0x32) [0x62c87a0bdbd2]: 
/usr/games/crawl-git-71c15dacbf(+0xcea1e1) [0x62c87a0d61e1]: 
/usr/games/crawl-git-71c15dacbf(+0xcd4bb3) [0x62c87a0c0bb3]: 
/usr/games/crawl-git-71c15dacbf(+0xcd4e02) [0x62c87a0c0e02]: 
/usr/games/crawl-git-71c15dacbf(+0xce36b4) [0x62c87a0cf6b4]: 
/usr/games/crawl-git-71c15dacbf(+0xcd4ecd) [0x62c87a0c0ecd]: 
/usr/games/crawl-git-71c15dacbf(+0xcd3d13) [0x62c87a0bfd13]: 
/usr/games/crawl-git-71c15dacbf(+0xcd52f4) [0x62c87a0c12f4]: 
/usr/games/crawl-git-71c15dacbf(lua_pcallk+0x95) [0x62c87a0bd5a5]: 
/usr/games/crawl-git-71c15dacbf(_ZN4CLua5pcallEii+0x60) [0x62c8798c54b0]: CLua::pcall(int, int)
/usr/games/crawl-git-71c15dacbf(_ZN4CLua6callfnEPKcii+0xb4) [0x62c8798c6dd4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-71c15dacbf(_Z13do_crash_dumpv+0x1b84) [0x62c8798efe44]: do_crash_dump()
/usr/games/crawl-git-71c15dacbf(_Z20crash_signal_handleri+0x1fa) [0x62c8798e099a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x73bf51cb6330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x73bf51d0fb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x73bf51cb627e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x73bf51c998ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x73bf51c9a7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x73bf51d19ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x73bf51d1c12c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x73bf51d1edae]: 
/usr/games/crawl-git-71c15dacbf(+0xce7841) [0x62c87a0d3841]: 
/usr/games/crawl-git-71c15dacbf(+0xcd8e99) [0x62c87a0c4e99]: 
/usr/games/crawl-git-71c15dacbf(+0xcd6209) [0x62c87a0c2209]: 
/usr/games/crawl-git-71c15dacbf(+0xcd85f6) [0x62c87a0c45f6]: 
/usr/games/crawl-git-71c15dacbf(+0xcde306) [0x62c87a0ca306]: 
/usr/games/crawl-git-71c15dacbf(_ZN4CLua5closeEv+0xbe) [0x62c8798c76be]: CLua::close()
/usr/games/crawl-git-71c15dacbf(+0x2f4eae) [0x62c8796e0eae]: 
/usr/games/crawl-git-71c15dacbf(+0x2f7e7a) [0x62c8796e3e7a]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x73bf51c9b1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x73bf51c9b28b]: 
/usr/games/crawl-git-71c15dacbf(_start+0x25) [0x62c879812b45]: