Obtained 36 stack frames.
/usr/games/crawl-git-ab3808680d(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x55cb1eaf588e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-ab3808680d(_Z20crash_signal_handleri+0x18f) [0x55cb1eaf5cff]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e7f08399330]: 
/usr/games/crawl-git-ab3808680d(+0xcd5e3b) [0x55cb1f2d8e3b]: 
/usr/games/crawl-git-ab3808680d(lua_next+0x32) [0x55cb1f2cb3f2]: 
/usr/games/crawl-git-ab3808680d(+0xce0a01) [0x55cb1f2e3a01]: 
/usr/games/crawl-git-ab3808680d(+0xccb3d3) [0x55cb1f2ce3d3]: 
/usr/games/crawl-git-ab3808680d(+0xccb622) [0x55cb1f2ce622]: 
/usr/games/crawl-git-ab3808680d(+0xcd9ed4) [0x55cb1f2dced4]: 
/usr/games/crawl-git-ab3808680d(+0xccb6ed) [0x55cb1f2ce6ed]: 
/usr/games/crawl-git-ab3808680d(+0xcca533) [0x55cb1f2cd533]: 
/usr/games/crawl-git-ab3808680d(+0xccbb14) [0x55cb1f2ceb14]: 
/usr/games/crawl-git-ab3808680d(lua_pcallk+0x95) [0x55cb1f2cadc5]: 
/usr/games/crawl-git-ab3808680d(_ZN4CLua5pcallEii+0x60) [0x55cb1eada880]: CLua::pcall(int, int)
/usr/games/crawl-git-ab3808680d(_ZN4CLua6callfnEPKcii+0xb4) [0x55cb1eadc1a4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-ab3808680d(_Z13do_crash_dumpv+0x1b84) [0x55cb1eb05214]: do_crash_dump()
/usr/games/crawl-git-ab3808680d(_Z20crash_signal_handleri+0x1fa) [0x55cb1eaf5d6a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7e7f08399330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x7e7f083f2b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x7e7f0839927e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x7e7f0837c8ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x7e7f0837d7b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x7e7f083fcff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab12c) [0x7e7f083ff12c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x7e7f08401dae]: 
/usr/games/crawl-git-ab3808680d(+0xcde061) [0x55cb1f2e1061]: 
/usr/games/crawl-git-ab3808680d(+0xccf6b9) [0x55cb1f2d26b9]: 
/usr/games/crawl-git-ab3808680d(+0xccca01) [0x55cb1f2cfa01]: 
/usr/games/crawl-git-ab3808680d(+0xccee16) [0x55cb1f2d1e16]: 
/usr/games/crawl-git-ab3808680d(+0xcd4b26) [0x55cb1f2d7b26]: 
/usr/games/crawl-git-ab3808680d(_ZN4CLua5closeEv+0xbe) [0x55cb1eadca8e]: CLua::close()
/usr/games/crawl-git-ab3808680d(+0x2f33a0) [0x55cb1e8f63a0]: 
/usr/games/crawl-git-ab3808680d(+0x2f636c) [0x55cb1e8f936c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7e7f0837e1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7e7f0837e28b]: 
/usr/games/crawl-git-ab3808680d(_start+0x25) [0x55cb1ea27605]: