Obtained 30 stack frames.
/usr/games/crawl-git-51ab8bf2ec(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x64122796b47e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-51ab8bf2ec(_Z20crash_signal_handleri+0x18f) [0x64122796b8ef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76760ba42910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x76760ba9999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x76760ba42866]: 
/usr/games/crawl-git-51ab8bf2ec(+0x4908fd) [0x6412279788fd]: 
/usr/games/crawl-git-51ab8bf2ec(_Z10die_nolinePKcz+0x16b) [0x64122797919b]: die_noline(char const*, ...)
/usr/games/crawl-git-51ab8bf2ec(_Z20crash_signal_handleri+0x2d0) [0x64122796ba30]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76760ba42910]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pushlstring+0x6) [0x76760c4db3c6]: 
/usr/games/crawl-git-51ab8bf2ec(+0x71d674) [0x641227c05674]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x76760c4dbcfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x76760c4e62ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x76760c4d6e23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_resume+0x72) [0x76760c4d9072]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21937) [0x76760c4ed937]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21a23) [0x76760c4eda23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x76760c4dbcfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x76760c4e62ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x76760c4da71d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x76760c4d6e23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd7b0) [0x76760c4d97b0]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x5c) [0x76760c4d98dc]: 
/usr/games/crawl-git-51ab8bf2ec(_ZN4CLua6callfnEPKcii+0xca) [0x6412279529aa]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-51ab8bf2ec(+0xbdce2e) [0x6412280c4e2e]: 
/usr/games/crawl-git-51ab8bf2ec(+0xbdd9b5) [0x6412280c59b5]: 
/usr/games/crawl-git-51ab8bf2ec(main+0x1f7) [0x6412278a6397]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x76760ba280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x76760ba28189]: 
/usr/games/crawl-git-51ab8bf2ec(_start+0x25) [0x6412278a6db5]: