Obtained 36 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x630ef4980a9e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x630ef4980f0f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7c9d0e611330]: 
/usr/games/crawl-0.34(+0xcdff4b) [0x630ef516bf4b]: 
/usr/games/crawl-0.34(lua_next+0x32) [0x630ef515e502]: 
/usr/games/crawl-0.34(+0xceab11) [0x630ef5176b11]: 
/usr/games/crawl-0.34(+0xcd54e3) [0x630ef51614e3]: 
/usr/games/crawl-0.34(+0xcd5732) [0x630ef5161732]: 
/usr/games/crawl-0.34(+0xce3fe4) [0x630ef516ffe4]: 
/usr/games/crawl-0.34(+0xcd57fd) [0x630ef51617fd]: 
/usr/games/crawl-0.34(+0xcd4643) [0x630ef5160643]: 
/usr/games/crawl-0.34(+0xcd5c24) [0x630ef5161c24]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x630ef515ded5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x630ef4965a90]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x630ef49673b4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b84) [0x630ef4990424]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x630ef4980f7a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7c9d0e611330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7c9d0e66ab2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7c9d0e61127e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7c9d0e5f48ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7c9d0e5f57b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7c9d0e674ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7c9d0e67712c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7c9d0e679dae]: 
/usr/games/crawl-0.34(+0xce8171) [0x630ef5174171]: 
/usr/games/crawl-0.34(+0xcd97c9) [0x630ef51657c9]: 
/usr/games/crawl-0.34(+0xcd6b39) [0x630ef5162b39]: 
/usr/games/crawl-0.34(+0xcd8f26) [0x630ef5164f26]: 
/usr/games/crawl-0.34(+0xcdec36) [0x630ef516ac36]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x630ef4967c9e]: CLua::close()
/usr/games/crawl-0.34(+0x2f51f8) [0x630ef47811f8]: 
/usr/games/crawl-0.34(+0x2f81c4) [0x630ef47841c4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7c9d0e5f61ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7c9d0e5f628b]: 
/usr/games/crawl-0.34(_start+0x25) [0x630ef48b3145]: