Obtained 32 stack frames.
/usr/games/crawl-bcrawl(_Z17write_stack_traceP8_IO_FILEi+0x3b) [0x555edc15c30b]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-bcrawl(_Z20crash_signal_handleri+0x1e7) [0x555edc15c7b7]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20) [0x7f35bfc8ff20]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7) [0x7f35bfc8fe97]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141) [0x7f35bfc91801]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x89897) [0x7f35bfcda897]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x9090a) [0x7f35bfce190a]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x90b0c) [0x7f35bfce1b0c]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x947d8) [0x7f35bfce57d8]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_malloc+0x8c) [0x7f35bfce80fc]: 
/lib/x86_64-linux-gnu/libc.so.6(__backtrace_symbols+0x114) [0x7f35bfd82364]: 
/usr/games/crawl-bcrawl(_Z17write_stack_traceP8_IO_FILEi+0x48) [0x555edc15c318]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-bcrawl(_Z13do_crash_dumpv+0xb1) [0x555edc164531]: do_crash_dump()
/usr/games/crawl-bcrawl(_Z20crash_signal_handleri+0xae) [0x555edc15c67e]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x3ef20) [0x7f35bfc8ff20]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7) [0x7f35bfc8fe97]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0x141) [0x7f35bfc91801]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x89897) [0x7f35bfcda897]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x9090a) [0x7f35bfce190a]: 
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x610) [0x7f35bfce8f60]: 
/usr/games/crawl-bcrawl(+0x993c09) [0x555edc79cc09]: 
/usr/games/crawl-bcrawl(+0x98bc3e) [0x555edc794c3e]: 
/usr/games/crawl-bcrawl(+0x98ab45) [0x555edc793b45]: 
/usr/games/crawl-bcrawl(+0x98b97b) [0x555edc79497b]: 
/usr/games/crawl-bcrawl(+0x98f26e) [0x555edc79826e]: 
/usr/games/crawl-bcrawl(_ZN4CLuaD1Ev+0xaf) [0x555edc145fbf]: CLua::~CLua()
/lib/x86_64-linux-gnu/libc.so.6(+0x43041) [0x7f35bfc94041]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x4313a) [0x7f35bfc9413a]: 
/usr/games/crawl-bcrawl(_Z3endibPKcz+0x2cd) [0x555edc20704d]: end(int, bool, char const*, ...)
/usr/games/crawl-bcrawl(main+0x353) [0x555edc0b8653]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) [0x7f35bfc72b97]: 
/usr/games/crawl-bcrawl(_start+0x2a) [0x555edc0b8d5a]: