Obtained 20 stack frames.
/usr/games/crawl-bcadrencrawl(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x618ff3e0212e]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-bcadrencrawl(_Z20crash_signal_handleri+0x18f) [0x618ff3e0259f]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x77eb3dcc8330]: 
/usr/games/crawl-bcadrencrawl(+0x6e1480) [0x618ff408f480]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x77eb3dcc8330]: 
/lib/x86_64-linux-gnu/libc.so.6(wait4+0x15) [0x77eb3dd938d5]: 
/usr/games/crawl-bcadrencrawl(_Z8call_gdbP8_IO_FILE+0xec) [0x618ff3e027dc]: call_gdb(_IO_FILE*)
/usr/games/crawl-bcadrencrawl(_Z13do_crash_dumpv+0x43f) [0x618ff3e0d87f]: do_crash_dump()
/usr/games/crawl-bcadrencrawl(_Z20crash_signal_handleri+0x1fa) [0x618ff3e0260a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x77eb3dcc8330]: 
/usr/games/crawl-bcadrencrawl(_Z16armour_type_proph11armour_flag+0x25) [0x618ff40117c5]: armour_type_prop(unsigned char, armour_flag)
/usr/games/crawl-bcadrencrawl(+0x8f0f7f) [0x618ff429ef7f]: 
/usr/games/crawl-bcadrencrawl(_Z13player_reactsv+0x16a3) [0x618ff42a1a73]: player_reacts()
/usr/games/crawl-bcadrencrawl(_Z12world_reactsv+0x83d) [0x618ff4521b6d]: world_reacts()
/usr/games/crawl-bcadrencrawl(+0xb75d20) [0x618ff4523d20]: 
/usr/games/crawl-bcadrencrawl(+0xb768fd) [0x618ff45248fd]: 
/usr/games/crawl-bcadrencrawl(main+0x1f4) [0x618ff3d3d7f4]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x77eb3dcad1ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x77eb3dcad28b]: 
/usr/games/crawl-bcadrencrawl(_start+0x25) [0x618ff3d3e1e5]: