Obtained 31 stack frames.
/usr/games/crawl-git-17eea93bd4(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x63de49dd84ee]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x18f) [0x63de49dd895f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x72fbff642910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x72fbff69999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x72fbff642866]: 
/usr/games/crawl-git-17eea93bd4(+0x49096d) [0x63de49de596d]: 
/usr/games/crawl-git-17eea93bd4(_Z10die_nolinePKcz+0x16b) [0x63de49de620b]: die_noline(char const*, ...)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x2d0) [0x63de49dd8aa0]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x72fbff642910]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1828d) [0x72fbfffec28d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pushlstring+0x28) [0x72fbfffe33e8]: 
/usr/games/crawl-git-17eea93bd4(+0x72f1c4) [0x63de4a0841c4]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x72fbfffe3cfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x72fbfffee2ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x72fbfffdee23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_resume+0x72) [0x72fbfffe1072]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21937) [0x72fbffff5937]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21a23) [0x72fbffff5a23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x72fbfffe3cfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x72fbfffee2ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x72fbfffe271d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x72fbfffdee23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd7b0) [0x72fbfffe17b0]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x5c) [0x72fbfffe18dc]: 
/usr/games/crawl-git-17eea93bd4(_ZN4CLua6callfnEPKcii+0xca) [0x63de49dbfa1a]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17eea93bd4(+0xbdcece) [0x63de4a531ece]: 
/usr/games/crawl-git-17eea93bd4(+0xbdda55) [0x63de4a532a55]: 
/usr/games/crawl-git-17eea93bd4(main+0x1f7) [0x63de49d13407]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x72fbff6280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x72fbff628189]: 
/usr/games/crawl-git-17eea93bd4(_start+0x25) [0x63de49d13e25]: