Obtained 35 stack frames.
/usr/games/crawl-git-dd6e265509(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x600952e2a22e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-dd6e265509(_Z20crash_signal_handleri+0x18f) [0x600952e2a69f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x74331f7ed330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x74331f846b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x74331f7ed27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x74331f7d08ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x74331f7d17b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x74331f850ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xad13c) [0x74331f85513c]: 
/lib/x86_64-linux-gnu/libc.so.6(realloc+0x255) [0x74331f8562f5]: 
/usr/games/crawl-git-dd6e265509(+0xcb80b4) [0x6009535fa0b4]: 
/usr/games/crawl-git-dd6e265509(+0xcb3015) [0x6009535f5015]: 
/usr/games/crawl-git-dd6e265509(+0xcb3e82) [0x6009535f5e82]: 
/usr/games/crawl-git-dd6e265509(+0xcb4094) [0x6009535f6094]: 
/usr/games/crawl-git-dd6e265509(+0xcb2ef3) [0x6009535f4ef3]: 
/usr/games/crawl-git-dd6e265509(+0xcb44d4) [0x6009535f64d4]: 
/usr/games/crawl-git-dd6e265509(lua_pcallk+0x95) [0x6009535f2785]: 
/usr/games/crawl-git-dd6e265509(_ZN4CLua5pcallEii+0x60) [0x600952e0f290]: CLua::pcall(int, int)
/usr/games/crawl-git-dd6e265509(_ZN4CLua6callfnEPKcii+0xb4) [0x600952e10bb4]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-dd6e265509(_Z13do_crash_dumpv+0x1a1a) [0x600952e39a4a]: do_crash_dump()
/usr/games/crawl-git-dd6e265509(_Z20crash_signal_handleri+0x1fa) [0x600952e2a70a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x74331f7ed330]: 
/lib/x86_64-linux-gnu/libc.so.6(pthread_kill+0x11c) [0x74331f846b2c]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x1e) [0x74331f7ed27e]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xdf) [0x74331f7d08ff]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x297b6) [0x74331f7d17b6]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xa8ff5) [0x74331f850ff5]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xab38c) [0x74331f85338c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_free+0x7e) [0x74331f855dae]: 
/usr/games/crawl-git-dd6e265509(+0x2ef0b5) [0x600952c310b5]: 
/usr/games/crawl-git-dd6e265509(+0x2efbbb) [0x600952c31bbb]: 
/usr/games/crawl-git-dd6e265509(+0x2f20eb) [0x600952c340eb]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x74331f7d21ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x74331f7d228b]: 
/usr/games/crawl-git-dd6e265509(_start+0x25) [0x600952d5e1b5]: