Obtained 36 stack frames.
/usr/games/crawl-git-c6910b0dee(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x64bfddcb488e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c6910b0dee(_Z20crash_signal_handleri+0x18f) [0x64bfddcb4cff]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x74da7ee84330]: 
/usr/games/crawl-git-c6910b0dee(+0xcd5dfb) [0x64bfde497dfb]: 
/usr/games/crawl-git-c6910b0dee(lua_next+0x32) [0x64bfde48a3b2]: 
/usr/games/crawl-git-c6910b0dee(+0xce09c1) [0x64bfde4a29c1]: 
/usr/games/crawl-git-c6910b0dee(+0xccb393) [0x64bfde48d393]: 
/usr/games/crawl-git-c6910b0dee(+0xccb5e2) [0x64bfde48d5e2]: 
/usr/games/crawl-git-c6910b0dee(+0xcd9e94) [0x64bfde49be94]: 
/usr/games/crawl-git-c6910b0dee(+0xccb6ad) [0x64bfde48d6ad]: 
/usr/games/crawl-git-c6910b0dee(+0xcca4f3) [0x64bfde48c4f3]: 
/usr/games/crawl-git-c6910b0dee(+0xccbad4) [0x64bfde48dad4]: 
/usr/games/crawl-git-c6910b0dee(lua_pcallk+0x95) [0x64bfde489d85]: 
/usr/games/crawl-git-c6910b0dee(_ZN4CLua5pcallEii+0x60) [0x64bfddc99880]: CLua::pcall(int, int)
/usr/games/crawl-git-c6910b0dee(_ZN4CLua6callfnEPKcii+0xb4) [0x64bfddc9b1a4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-c6910b0dee(_Z13do_crash_dumpv+0x1b84) [0x64bfddcc4214]: do_crash_dump()
/usr/games/crawl-git-c6910b0dee(_Z20crash_signal_handleri+0x1fa) [0x64bfddcb4d6a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x74da7ee84330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x74da7eeddb2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x74da7ee8427e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x74da7ee678ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x74da7ee687b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x74da7eee7ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x74da7eeea12c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x74da7eeecdae]: 
/usr/games/crawl-git-c6910b0dee(+0xcde021) [0x64bfde4a0021]: 
/usr/games/crawl-git-c6910b0dee(+0xccf679) [0x64bfde491679]: 
/usr/games/crawl-git-c6910b0dee(+0xccc9e9) [0x64bfde48e9e9]: 
/usr/games/crawl-git-c6910b0dee(+0xccedd6) [0x64bfde490dd6]: 
/usr/games/crawl-git-c6910b0dee(+0xcd4ae6) [0x64bfde496ae6]: 
/usr/games/crawl-git-c6910b0dee(_ZN4CLua5closeEv+0xbe) [0x64bfddc9ba8e]: CLua::close()
/usr/games/crawl-git-c6910b0dee(+0x2f33a0) [0x64bfddab53a0]: 
/usr/games/crawl-git-c6910b0dee(+0x2f636c) [0x64bfddab836c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x74da7ee691ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x74da7ee6928b]: 
/usr/games/crawl-git-c6910b0dee(_start+0x25) [0x64bfddbe6605]: