Obtained 36 stack frames.
/usr/games/crawl-git-6d9ebc1a8c(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x62b26261577e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-6d9ebc1a8c(_Z20crash_signal_handleri+0x18f) [0x62b262615bef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7758644b9330]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd57cb) [0x62b262df87cb]: 
/usr/games/crawl-git-6d9ebc1a8c(lua_next+0x32) [0x62b262dead82]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xce0391) [0x62b262e03391]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccad63) [0x62b262dedd63]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccafb2) [0x62b262dedfb2]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd9864) [0x62b262dfc864]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccb07d) [0x62b262dee07d]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcc9ec3) [0x62b262decec3]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccb4a4) [0x62b262dee4a4]: 
/usr/games/crawl-git-6d9ebc1a8c(lua_pcallk+0x95) [0x62b262dea755]: 
/usr/games/crawl-git-6d9ebc1a8c(_ZN4CLua5pcallEii+0x60) [0x62b2625fa770]: CLua::pcall(int, int)
/usr/games/crawl-git-6d9ebc1a8c(_ZN4CLua6callfnEPKcii+0xb4) [0x62b2625fc094]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-6d9ebc1a8c(_Z13do_crash_dumpv+0x1b84) [0x62b262625104]: do_crash_dump()
/usr/games/crawl-git-6d9ebc1a8c(_Z20crash_signal_handleri+0x1fa) [0x62b262615c5a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7758644b9330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x775864512b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7758644b927e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x77586449c8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x77586449d7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x77586451cff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa947c) [0x77586451d47c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0xca) [0x775864521dfa]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcdd9f1) [0x62b262e009f1]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xccf049) [0x62b262df2049]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd5935) [0x62b262df8935]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcce7a6) [0x62b262df17a6]: 
/usr/games/crawl-git-6d9ebc1a8c(+0xcd44b6) [0x62b262df74b6]: 
/usr/games/crawl-git-6d9ebc1a8c(_ZN4CLua5closeEv+0xbe) [0x62b2625fc97e]: CLua::close()
/usr/games/crawl-git-6d9ebc1a8c(+0x2f3288) [0x62b262416288]: 
/usr/games/crawl-git-6d9ebc1a8c(+0x2f6254) [0x62b262419254]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x77586449e1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x77586449e28b]: 
/usr/games/crawl-git-6d9ebc1a8c(_start+0x25) [0x62b2625474f5]: