Obtained 20 stack frames. /usr/games/crawl-git-0ba292f8fe(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x5f72b3]: write_stack_trace(_IO_FILE*, int) /usr/games/crawl-git-0ba292f8fe(_Z20crash_signal_handleri+0x174) [0x5f7624]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f06030254f0]: /usr/games/crawl-git-0ba292f8fe(_ZNKSt8_Rb_treeI20dungeon_feature_typeSt4pairIKS0_SsESt10_Select1stIS3_ESt4lessIS0_ESaIS3_EE4findERS2_+0x24) [0x65a5b4]: std::_Rb_tree, std::_Select1st >, std::less, std::allocator > >::find(dungeon_feature_type const&) const /usr/games/crawl-git-0ba292f8fe(_Z23raw_feature_descriptionRK9coord_def+0x7c) [0x65149c]: raw_feature_description(coord_def const&) /usr/games/crawl-git-0ba292f8fe(_Z13do_crash_dumpv+0xc41) [0x5fe461]: do_crash_dump() /usr/games/crawl-git-0ba292f8fe(_Z20crash_signal_handleri+0x74) [0x5f7524]: crash_signal_handler(int) /lib/x86_64-linux-gnu/libc.so.6(+0x324f0) [0x7f06030254f0]: /lib/x86_64-linux-gnu/libc.so.6(__write+0x10) [0x7f06030c1af0]: /lib/x86_64-linux-gnu/libc.so.6(_IO_file_write+0x43) [0x7f0603065e53]: /lib/x86_64-linux-gnu/libc.so.6(+0x72aca) [0x7f0603065aca]: /lib/x86_64-linux-gnu/libc.so.6(_IO_file_xsputn+0x1fe) [0x7f0603065dbe]: /lib/x86_64-linux-gnu/libc.so.6(fputs+0x9c) [0x7f060305ba0c]: /usr/games/crawl-git-0ba292f8fe(_Z3endibPKcz+0x20b) [0x9f5c2b]: end(int, bool, char const*, ...) /usr/games/crawl-git-0ba292f8fe(_Z9save_gamebPKc+0x152) [0x6a8f42]: save_game(bool, char const*) /usr/games/crawl-git-0ba292f8fe() [0x7c05ff] /usr/games/crawl-git-0ba292f8fe() [0x7c110d] /usr/games/crawl-git-0ba292f8fe(main+0x303) [0x4fc263]: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f0603011ead]: /usr/games/crawl-git-0ba292f8fe() [0x56ea09]