Obtained 50 stack frames.
/usr/games/crawl-git-354ed81502(_Z17write_stack_traceP8_IO_FILE+0x23) [0x614703]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-354ed81502(_Z20crash_signal_handleri+0x1a3) [0x614a93]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x360b0) [0x7fd4d71db0b0]: 
/lib/x86_64-linux-gnu/libc.so.6(sigprocmask+0x10) [0x7fd4d71db2f0]: 
/lib/x86_64-linux-gnu/libc.so.6(abort+0xcf) [0x7fd4d71de6ef]: 
/usr/games/crawl-git-354ed81502() [0x61bb13]
/usr/games/crawl-git-354ed81502() [0x61bfba]
/usr/games/crawl-git-354ed81502() [0xbdf91e]
/usr/games/crawl-git-354ed81502(_ZN14TilesFramework12send_messageEPKcz+0xf3) [0xbdfa13]: TilesFramework::send_message(char const*, ...)
/usr/games/crawl-git-354ed81502(_Z5delayj+0x43) [0xbeefe3]: delay(unsigned int)
/usr/games/crawl-git-354ed81502() [0x5fb620]
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xbe45) [0x7fd4d8affe45]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x16f90) [0x7fd4d8b0af90]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc65d) [0x7fd4d8b0065d]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xb8d7) [0x7fd4d8aff8d7]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc812) [0x7fd4d8b00812]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x51) [0x7fd4d8afc361]: 
/usr/games/crawl-git-354ed81502(_ZN4CLua6callfnEPKcii+0xbf) [0x5fc1ef]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-354ed81502(_Z21userdef_annotate_itemPKcPK8item_def+0x57) [0xae4017]: userdef_annotate_item(char const*, item_def const*)
/usr/games/crawl-git-354ed81502(_Z19stash_annotate_itemPKcPK8item_def+0x1d) [0xae58ad]: stash_annotate_item(char const*, item_def const*)
/usr/games/crawl-git-354ed81502() [0xa61d81]
/usr/games/crawl-git-354ed81502(_Z14get_cell_glyphRK9coord_defbi+0x43f) [0xa6295f]: get_cell_glyph(coord_def const&, bool, int)
/usr/games/crawl-git-354ed81502(_Z10screenshotv+0x132) [0xb7a6b2]: screenshot()
/usr/games/crawl-git-354ed81502(_Z13do_crash_dumpv+0x2139) [0x61e249]: do_crash_dump()
/usr/games/crawl-git-354ed81502(_Z20crash_signal_handleri+0x9c) [0x61498c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x360b0) [0x7fd4d71db0b0]: 
/lib/x86_64-linux-gnu/libncursesw.so.5(+0x2193b) [0x7fd4d842e93b]: 
/lib/x86_64-linux-gnu/libncursesw.so.5(wadd_wch+0x14f) [0x7fd4d842ef3f]: 
/lib/x86_64-linux-gnu/libncursesw.so.5(waddnwstr+0x75) [0x7fd4d8416b45]: 
/usr/games/crawl-git-354ed81502(_Z6putwchDi+0x2b) [0xbee8db]: putwch(char32_t)
/usr/games/crawl-git-354ed81502(_Z7cprintfPKcz+0xee) [0xbee9ee]: cprintf(char const*, ...)
/usr/games/crawl-git-354ed81502(_ZNK16formatted_string7displayEii+0x8d) [0x70414d]: formatted_string::display(int, int) const
/usr/games/crawl-git-354ed81502(_ZN14message_window4showEv+0x92) [0x8b8642]: message_window::show()
/usr/games/crawl-git-354ed81502(_ZN14message_window8add_itemESs11prefix_typeb+0x2ab) [0x8b8d4b]: message_window::add_item(std::string, prefix_type, bool)
/usr/games/crawl-git-354ed81502(_ZN13message_store9store_msgERK12message_line+0xb1) [0x8b92a1]: message_store::store_msg(message_line const&)
/usr/games/crawl-git-354ed81502(_ZN13message_store10flush_prevEv+0xe3) [0x8b93b3]: message_store::flush_prev()
/usr/games/crawl-git-354ed81502(_ZN13message_store3addERK12message_line+0x36) [0x8bac66]: message_store::add(message_line const&)
/usr/games/crawl-git-354ed81502() [0x8b3a46]
/usr/games/crawl-git-354ed81502(_Z13formatted_mprRK16formatted_string16msg_channel_typei+0x35) [0x8b3dc5]: formatted_mpr(formatted_string const&, msg_channel_type, int)
/usr/games/crawl-git-354ed81502() [0x7f5186]
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc24c) [0x7fd4d8b0024c]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0x16d98) [0x7fd4d8b0ad98]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc65d) [0x7fd4d8b0065d]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xb8d7) [0x7fd4d8aff8d7]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(+0xc812) [0x7fd4d8b00812]: 
/usr/lib/x86_64-linux-gnu/liblua5.1.so.0(lua_pcall+0x51) [0x7fd4d8afc361]: 
/usr/games/crawl-git-354ed81502(_ZN4CLua6callfnEPKcii+0xbf) [0x5fc1ef]: CLua::callfn(char const*, int, int)
/usr/games/crawl-git-354ed81502() [0xc686dc]
/usr/games/crawl-git-354ed81502(main+0x57d) [0xc6c90d]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7fd4d71c67ed]: