Obtained 29 stack frames.
/usr/games/crawl-git-17eea93bd4(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x6314e85194ee]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x18f) [0x6314e851995f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x77b16b642910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x77b16b69999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x77b16b642866]: 
/usr/games/crawl-git-17eea93bd4(+0x49096d) [0x6314e852696d]: 
/usr/games/crawl-git-17eea93bd4(_Z10die_nolinePKcz+0x16b) [0x6314e852720b]: die_noline(char const*, ...)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x2d0) [0x6314e8519aa0]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x77b16b642910]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x18849) [0x77b16c0cb849]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1907b) [0x77b16c0cc07b]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a0eb) [0x77b16c0cd0eb]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x77b16c0bde23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_resume+0x72) [0x77b16c0c0072]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21937) [0x77b16c0d4937]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21a23) [0x77b16c0d4a23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x77b16c0c2cfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x77b16c0cd2ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x77b16c0c171d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x77b16c0bde23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd7b0) [0x77b16c0c07b0]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x5c) [0x77b16c0c08dc]: 
/usr/games/crawl-git-17eea93bd4(_ZN4CLua6callfnEPKcii+0xca) [0x6314e8500a1a]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17eea93bd4(+0xbdcece) [0x6314e8c72ece]: 
/usr/games/crawl-git-17eea93bd4(+0xbdda55) [0x6314e8c73a55]: 
/usr/games/crawl-git-17eea93bd4(main+0x1f7) [0x6314e8454407]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x77b16b6280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x77b16b628189]: 
/usr/games/crawl-git-17eea93bd4(_start+0x25) [0x6314e8454e25]: