Obtained 36 stack frames.
/usr/games/crawl-git-17eea93bd4(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x630a8baed4ee]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x18f) [0x630a8baed95f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7afd9bc42910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x7afd9bc9999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x7afd9bc42866]: 
/usr/games/crawl-git-17eea93bd4(+0x49096d) [0x630a8bafa96d]: 
/usr/games/crawl-git-17eea93bd4(_Z10die_nolinePKcz+0x16b) [0x630a8bafb20b]: die_noline(char const*, ...)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x2d0) [0x630a8baedaa0]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x7afd9bc42910]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa5d26) [0x7afd9bca5d26]: 
/lib/x86_64-linux-gnu/libc.so.6(free+0x73) [0x7afd9bca87f3]: 
/usr/games/crawl-git-17eea93bd4(+0x46656e) [0x630a8bad056e]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc5b2) [0x7afd9c50c5b2]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xdeb7) [0x7afd9c50deb7]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xead2) [0x7afd9c50ead2]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xefe5) [0x7afd9c50efe5]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a6e1) [0x7afd9c51a6e1]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x7afd9c50e71d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a743) [0x7afd9c51a743]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x7afd9c50ae23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_resume+0x72) [0x7afd9c50d072]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21937) [0x7afd9c521937]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21a23) [0x7afd9c521a23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x7afd9c50fcfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x7afd9c51a2ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x7afd9c50e71d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x7afd9c50ae23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd7b0) [0x7afd9c50d7b0]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x5c) [0x7afd9c50d8dc]: 
/usr/games/crawl-git-17eea93bd4(_ZN4CLua6callfnEPKcii+0xca) [0x630a8bad4a1a]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17eea93bd4(+0xbdcece) [0x630a8c246ece]: 
/usr/games/crawl-git-17eea93bd4(+0xbdda55) [0x630a8c247a55]: 
/usr/games/crawl-git-17eea93bd4(main+0x1f7) [0x630a8ba28407]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x7afd9bc280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x7afd9bc28189]: 
/usr/games/crawl-git-17eea93bd4(_start+0x25) [0x630a8ba28e25]: