Obtained 30 stack frames.
/usr/games/crawl-0.22(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x6b40f3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-0.22(_Z20crash_signal_handleri+0x174) [0x6b4444]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7fee0181b1e0]: 
/lib/x86_64-linux-gnu/libc.so.6(+0xe9209) [0x7fee018d2209]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x7cf63) [0x7fee01865f63]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x7628c) [0x7fee0185f28c]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_fork+0x55) [0x7fee01895345]: 
/usr/games/crawl-0.22(_Z8call_gdbP8_IO_FILE+0xba) [0x6b465a]: call_gdb(_IO_FILE*)
/usr/games/crawl-0.22(_Z13do_crash_dumpv+0xa3) [0x6bb4e3]: do_crash_dump()
/usr/games/crawl-0.22(_Z20crash_signal_handleri+0x74) [0x6b4344]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7fee0181b1e0]: 
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35) [0x7fee0181b165]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0x180) [0x7fee0181e3e0]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x6d1cb) [0x7fee018561cb]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x76a16) [0x7fee0185fa16]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x76e8d) [0x7fee0185fe8d]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x78348) [0x7fee01861348]: 
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x6c) [0x7fee018647bc]: 
/usr/games/crawl-0.22(_ZNSt6vectorIN16formatted_string5fs_opESaIS1_EED1Ev+0x70) [0x627110]: std::vector<formatted_string::fs_op, std::allocator<formatted_string::fs_op> >::~vector()
/usr/games/crawl-0.22(_ZN2ui4TextD1Ev+0x41) [0x6b1861]: ui::Text::~Text()
/usr/games/crawl-0.22(_ZN10UIShowHideD1Ev+0x8a) [0x928bca]: UIShowHide::~UIShowHide()
/usr/games/crawl-0.22(_ZN2ui3BoxD1Ev+0x84) [0xba4674]: ui::Box::~Box()
/usr/games/crawl-0.22(_ZN11UIMenuPopupD2Ev+0x8a) [0x928a1a]: UIMenuPopup::~UIMenuPopup()
/usr/games/crawl-0.22(_ZN2ui6UIRootD1Ev+0x84) [0xba4b74]: ui::UIRoot::~UIRoot()
/lib/x86_64-linux-gnu/libc.so.6(+0x36ae2) [0x7fee0181fae2]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x36b35) [0x7fee0181fb35]: 
/usr/games/crawl-0.22(_Z3endibPKcz+0x219) [0x75a999]: end(int, bool, char const*, ...)
/usr/games/crawl-0.22(main+0x8e8) [0x61bcd8]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7fee01807ead]: 
/usr/games/crawl-0.22() [0x61c55d]