Obtained 36 stack frames.
/usr/games/crawl-git-c4ca8e905a(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x5f9a0747562e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-c4ca8e905a(_Z20crash_signal_handleri+0x18f) [0x5f9a07475a9f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x777940687330]: 
/usr/games/crawl-git-c4ca8e905a(+0xcdf7eb) [0x5f9a07c607eb]: 
/usr/games/crawl-git-c4ca8e905a(lua_next+0x32) [0x5f9a07c52da2]: 
/usr/games/crawl-git-c4ca8e905a(+0xcea3b1) [0x5f9a07c6b3b1]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd4d83) [0x5f9a07c55d83]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd4fd2) [0x5f9a07c55fd2]: 
/usr/games/crawl-git-c4ca8e905a(+0xce3884) [0x5f9a07c64884]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd509d) [0x5f9a07c5609d]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd3ee3) [0x5f9a07c54ee3]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd54c4) [0x5f9a07c564c4]: 
/usr/games/crawl-git-c4ca8e905a(lua_pcallk+0x95) [0x5f9a07c52775]: 
/usr/games/crawl-git-c4ca8e905a(_ZN4CLua5pcallEii+0x60) [0x5f9a0745a620]: CLua::pcall(int, int)
/usr/games/crawl-git-c4ca8e905a(_ZN4CLua6callfnEPKcii+0xb4) [0x5f9a0745bf44]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-c4ca8e905a(_Z13do_crash_dumpv+0x1b84) [0x5f9a07484fb4]: do_crash_dump()
/usr/games/crawl-git-c4ca8e905a(_Z20crash_signal_handleri+0x1fa) [0x5f9a07475b0a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x777940687330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7779406e0b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x77794068727e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x77794066a8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x77794066b7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7779406eaff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x7779406ed38c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7779406efdae]: 
/usr/games/crawl-git-c4ca8e905a(+0xce7a11) [0x5f9a07c68a11]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd9069) [0x5f9a07c5a069]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd63b1) [0x5f9a07c573b1]: 
/usr/games/crawl-git-c4ca8e905a(+0xcd87c6) [0x5f9a07c597c6]: 
/usr/games/crawl-git-c4ca8e905a(+0xcde4d6) [0x5f9a07c5f4d6]: 
/usr/games/crawl-git-c4ca8e905a(_ZN4CLua5closeEv+0xbe) [0x5f9a0745c82e]: CLua::close()
/usr/games/crawl-git-c4ca8e905a(+0x2f4f66) [0x5f9a07275f66]: 
/usr/games/crawl-git-c4ca8e905a(+0x2f7f32) [0x5f9a07278f32]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x77794066c1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x77794066c28b]: 
/usr/games/crawl-git-c4ca8e905a(_start+0x25) [0x5f9a073a7cb5]: