Obtained 31 stack frames.
/usr/games/crawl-git-17eea93bd4(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x570de5f124ee]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x18f) [0x570de5f1295f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x774926a42910]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11b) [0x774926a9999b]: 
/lib/x86_64-linux-gnu/libc.so.6(raise+0x16) [0x774926a42866]: 
/usr/games/crawl-git-17eea93bd4(+0x49096d) [0x570de5f1f96d]: 
/usr/games/crawl-git-17eea93bd4(_Z10die_nolinePKcz+0x16b) [0x570de5f2020b]: die_noline(char const*, ...)
/usr/games/crawl-git-17eea93bd4(_Z20crash_signal_handleri+0x2d0) [0x570de5f12aa0]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x42910) [0x774926a42910]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe48a) [0x77492742b48a]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xefe5) [0x77492742bfe5]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a6e1) [0x7749274376e1]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x77492742b71d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a743) [0x774927437743]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x774927427e23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_resume+0x72) [0x77492742a072]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21937) [0x77492743e937]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x21a23) [0x77492743ea23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xfcfd) [0x77492742ccfd]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x1a2ba) [0x7749274372ba]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xe71d) [0x77492742b71d]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xae23) [0x774927427e23]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xd7b0) [0x77492742a7b0]: 
/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x5c) [0x77492742a8dc]: 
/usr/games/crawl-git-17eea93bd4(_ZN4CLua6callfnEPKcii+0xca) [0x570de5ef9a1a]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-17eea93bd4(+0xbdcece) [0x570de666bece]: 
/usr/games/crawl-git-17eea93bd4(+0xbdda55) [0x570de666ca55]: 
/usr/games/crawl-git-17eea93bd4(main+0x1f7) [0x570de5e4d407]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x280d0) [0x774926a280d0]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x89) [0x774926a28189]: 
/usr/games/crawl-git-17eea93bd4(_start+0x25) [0x570de5e4de25]: