Obtained 40 stack frames.
/usr/games/crawl-0.34(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x637636af5f4e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x18f) [0x637636af63bf]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x788c3fe50330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x788c3fea9b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x788c3fe5027e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x788c3fe338ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x788c3fe347b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x788c3feb3ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xad13c) [0x788c3feb813c]: 
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x255) [0x788c3feb92f5]: 
/usr/games/crawl-0.34(+0xcdb814) [0x6376372dc814]: 
/usr/games/crawl-0.34(+0xcd6775) [0x6376372d7775]: 
/usr/games/crawl-0.34(+0xcd75e2) [0x6376372d85e2]: 
/usr/games/crawl-0.34(+0xcd77f4) [0x6376372d87f4]: 
/usr/games/crawl-0.34(+0xcd6653) [0x6376372d7653]: 
/usr/games/crawl-0.34(+0xcd7c34) [0x6376372d8c34]: 
/usr/games/crawl-0.34(lua_pcallk+0x95) [0x6376372d4ee5]: 
/usr/games/crawl-0.34(_ZN4CLua5pcallEii+0x60) [0x637636adaf40]: CLua::pcall(int, int)
/usr/games/crawl-0.34(_ZN4CLua6callfnEPKcii+0xb4) [0x637636adc864]: CLua::callfn(char const*, int, int)
/usr/games/crawl-0.34(_Z13do_crash_dumpv+0x1b84) [0x637636b058f4]: do_crash_dump()
/usr/games/crawl-0.34(_Z20crash_signal_handleri+0x1fa) [0x637636af642a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x788c3fe50330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x788c3fea9b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x788c3fe5027e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x788c3fe338ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x788c3fe347b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x788c3feb3ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x788c3feb638c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x788c3feb8dae]: 
/usr/games/crawl-0.34(+0x4d729e) [0x637636ad829e]: 
/usr/games/crawl-0.34(+0xcdb7d9) [0x6376372dc7d9]: 
/usr/games/crawl-0.34(+0xce20c5) [0x6376372e30c5]: 
/usr/games/crawl-0.34(+0xcdaf36) [0x6376372dbf36]: 
/usr/games/crawl-0.34(+0xce0c46) [0x6376372e1c46]: 
/usr/games/crawl-0.34(_ZN4CLua5closeEv+0xbe) [0x637636add14e]: CLua::close()
/usr/games/crawl-0.34(+0x2f565a) [0x6376368f665a]: 
/usr/games/crawl-0.34(+0x2f8632) [0x6376368f9632]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x788c3fe351ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x788c3fe3528b]: 
/usr/games/crawl-0.34(_start+0x25) [0x637636a285d5]: