Obtained 28 stack frames.
/usr/games/crawl-git-df7db63c15(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x57d603b6b47e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-df7db63c15(_Z20crash_signal_handleri+0x18f) [0x57d603b6b8ef]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76584e642910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x76584e69999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x76584e642866]: 
/usr/games/crawl-git-df7db63c15(+0x4908fd) [0x57d603b788fd]: 
/usr/games/crawl-git-df7db63c15(_Z10die_nolinePKcz+0x16b) [0x57d603b7919b]: die_noline(char const*, ...)
/usr/games/crawl-git-df7db63c15(_Z20crash_signal_handleri+0x2d0) [0x57d603b6ba30]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x76584e642910]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfc9c) [0x76584ef57c9c]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x76584ef622ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x76584ef52e23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_resume+0x72) [0x76584ef55072]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21937) [0x76584ef69937]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21a23) [0x76584ef69a23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x76584ef57cfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x76584ef622ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x76584ef5671d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x76584ef52e23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd7b0) [0x76584ef557b0]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x5c) [0x76584ef558dc]: 
/usr/games/crawl-git-df7db63c15(_ZN4CLua6callfnEPKcii+0xca) [0x57d603b529aa]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-df7db63c15(+0xbdce4e) [0x57d6042c4e4e]: 
/usr/games/crawl-git-df7db63c15(+0xbdd9d5) [0x57d6042c59d5]: 
/usr/games/crawl-git-df7db63c15(main+0x1f7) [0x57d603aa6397]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x76584e6280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x76584e628189]: 
/usr/games/crawl-git-df7db63c15(_start+0x25) [0x57d603aa6db5]: