Obtained 36 stack frames.
/usr/games/crawl-git-c46cf17215(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x631e7dee337e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c46cf17215(_Z20crash_signal_handleri+0x18f) [0x631e7dee37ef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7a3bb30e9330]: 
/usr/games/crawl-git-c46cf17215(+0xcd782b) [0x631e7e6c982b]: 
/usr/games/crawl-git-c46cf17215(lua_next+0x32) [0x631e7e6bbde2]: 
/usr/games/crawl-git-c46cf17215(+0xce23f1) [0x631e7e6d43f1]: 
/usr/games/crawl-git-c46cf17215(+0xcccdc3) [0x631e7e6bedc3]: 
/usr/games/crawl-git-c46cf17215(+0xccd012) [0x631e7e6bf012]: 
/usr/games/crawl-git-c46cf17215(+0xcdb8c4) [0x631e7e6cd8c4]: 
/usr/games/crawl-git-c46cf17215(+0xccd0dd) [0x631e7e6bf0dd]: 
/usr/games/crawl-git-c46cf17215(+0xccbf23) [0x631e7e6bdf23]: 
/usr/games/crawl-git-c46cf17215(+0xccd504) [0x631e7e6bf504]: 
/usr/games/crawl-git-c46cf17215(lua_pcallk+0x95) [0x631e7e6bb7b5]: 
/usr/games/crawl-git-c46cf17215(_ZN4CLua5pcallEii+0x60) [0x631e7dec8370]: CLua::pcall(int, int)
/usr/games/crawl-git-c46cf17215(_ZN4CLua6callfnEPKcii+0xb4) [0x631e7dec9c94]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-c46cf17215(_Z13do_crash_dumpv+0x1b84) [0x631e7def2d04]: do_crash_dump()
/usr/games/crawl-git-c46cf17215(_Z20crash_signal_handleri+0x1fa) [0x631e7dee385a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7a3bb30e9330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7a3bb3142b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7a3bb30e927e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7a3bb30cc8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7a3bb30cd7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7a3bb314cff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7a3bb314f38c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7a3bb3151dae]: 
/usr/games/crawl-git-c46cf17215(+0xcdfa51) [0x631e7e6d1a51]: 
/usr/games/crawl-git-c46cf17215(+0xcd10a9) [0x631e7e6c30a9]: 
/usr/games/crawl-git-c46cf17215(+0xcce465) [0x631e7e6c0465]: 
/usr/games/crawl-git-c46cf17215(+0xcd0806) [0x631e7e6c2806]: 
/usr/games/crawl-git-c46cf17215(+0xcd6516) [0x631e7e6c8516]: 
/usr/games/crawl-git-c46cf17215(_ZN4CLua5closeEv+0xbe) [0x631e7deca57e]: CLua::close()
/usr/games/crawl-git-c46cf17215(+0x2f2c5a) [0x631e7dce4c5a]: 
/usr/games/crawl-git-c46cf17215(+0x2f5c26) [0x631e7dce7c26]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7a3bb30ce1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7a3bb30ce28b]: 
/usr/games/crawl-git-c46cf17215(_start+0x25) [0x631e7de15f25]: