ASSERT(!crawl_state.prev_cmd_keys.empty()) in 'main.cc' at line 3750 failed.

Version: Dungeon Crawl Stone Soup 0.16.1-30-g34a7ffa
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Command line: /usr/games/crawl-0.16 -name karol -rc /dgldir/rcfiles/crawl-0.16/karol.rc -macro /dgldir/rcfiles/crawl-0.16/karol.macro -morgue /dgldir/morgue/karol/ -webtiles-socket /crawl-master/webserver/sockets/karol:2015-06-30.11:52:04.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 13 stack frames.
/usr/games/crawl-0.16(_Z17write_stack_traceP8_IO_FILEi+0x23) [0x646be3]: write_stack_trace(_IO_FILE*, int)
/usr/games/crawl-0.16(_Z13do_crash_dumpv+0x2d7) [0x64dc67]: do_crash_dump()
/usr/games/crawl-0.16(_Z20crash_signal_handleri+0x74) [0x646e54]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x321e0) [0x7f96fa5041e0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x2b) [0x7f96fa86cf6b]: 
/usr/games/crawl-0.16() [0x64d504]
/usr/games/crawl-0.16() [0x64d76a]
/usr/games/crawl-0.16(_Z15process_command12command_type+0x2add) [0x834ebd]: process_command(command_type)
/usr/games/crawl-0.16() [0x835729]
/usr/games/crawl-0.16() [0x836265]
/usr/games/crawl-0.16(main+0x303) [0x536263]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f96fa4f0ead]: 
/usr/games/crawl-0.16() [0x5b250d]

Trying to run gdb.
GNU gdb (GDB) 7.4.1-debian
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f96fa86cc4e in waitpid () from /lib/x86_64-linux-gnu/libpthread.so.0
#0  0x00007f96fa86cc4e in waitpid () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x0000000000647283 in call_gdb (file=0x7f96fa858880) at crash.cc:406
        gdb = <optimized out>
        attach_cmd = "attach 19708\000\000\000\000\000\000\000"
#2  0x000000000064dc80 in do_crash_dump () at dbg-asrt.cc:676
        t = 1435665143
        dir = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x2798e78 "/dgldir/morgue/karol/"}}
        name = "/dgldir/morgue/karol/crash-karol-20150630-115223.txt", '\000' <repeats 127 times>
        file = 0x7f96fa858880
#3  0x0000000000646e54 in crash_signal_handler (sig_num=6) at crash.cc:182
No locals.
#4  <signal handler called>
No symbol table info available.
#5  0x00007f96fa86cf6b in raise () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x000000000064d504 in _BreakStrToDebugger (mesg=mesg@entry=0x7fff22d6fcd0 "ASSERT(!crawl_state.prev_cmd_keys.empty()) in 'main.cc' at line 3750 failed.", assert=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at dbg-asrt.cc:806
No locals.
#7  0x000000000064d76a in AssertFailed (expr=0xbad698 "!crawl_state.prev_cmd_keys.empty()", file=0xc42aac "main.cc", line=3750, text=0x0) at dbg-asrt.cc:849
        mesg = "ASSERT(!crawl_state.prev_cmd_keys.empty()) in 'main.cc' at line 3750 failed.\000\177\000\000\372\241\267\000\000\000\000\000p\375\326\"\377\177\000\000\360\376\326\"\377\177\000\000`\376\326\"\377\177\000\000\372\241\267\000\000\000\000\000\330\376\326\"\377\177\000\000\377\a\000\000\000\000\000\000\240\375\326\"\377\177\000\000 \377\326\"\377\177\000\000\220\376\326\"\377\177\000\000\372\241\267\000\000\000\000\000\300\375\326\"\377\177\000\000@\377\326\"\377\177\000\000\260\376\326\"\377\177\000\000\313\"\302\000\000\000\000\000\340\375\326\"\377\177\000\000`\377\326\"\377\177\000\000\320\376\326\"\377\177\000\000\377\262\266\000\000\000\000\000H\377\326\"\377\177\000\000\377\a\000\000\000\000\000\000\060\n\327\"\377\177\000\000`\377\326\"\377\177\000\000B\343S\372\226\177\000\000\001\200\255\373\000\000\000\000"...
        args = {{gp_offset = 584517372, fp_offset = 32767, overflow_arg_area = 0x3000000010, reg_save_area = 0x7fff22d70830}}
        fileName = <optimized out>
#8  0x0000000000834ebd in _do_prev_cmd_again () at main.cc:3750
No locals.
#9  process_command (cmd=cmd@entry=CMD_PREV_CMD_AGAIN) at main.cc:2013
No locals.
#10 0x0000000000835729 in _input () at main.cc:1518
        cmd = CMD_PREV_CMD_AGAIN
        player_disabled = {was_disabled = false}
#11 0x0000000000836265 in _launch_game () at main.cc:472
        game_start = true
        ccon = {cstate = false, smartcstate = false}
#12 0x0000000000536263 in _launch_game_loop () at main.cc:378
        game_ended = false
#13 main (argc=12, argv=0x7fff22d70f68) at main.cc:336
No locals.

Compilation info:
<<<<<<<<<<<
Compiled with GCC 4.7.2 on Jun 12 2015 at 05:56:38
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -Wall -Wformat-security -Wundef -Wno-array-bounds -Wno-format-zero-length -Wmissing-declarations -Wredundant-decls -Wno-parentheses -Wwrite-strings -Wshadow -pedantic -Wuninitialized -Iutil -I. -isystem /usr/include/lua5.1 -Irltiles -isystem /usr/include/ncursesw -g -DWIZARD -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-master/crawl-0.16/saves" -DDATA_DIR_PATH="/crawl-master/crawl-0.16/data/" -DWEB_DIR_PATH="/crawl-master/crawl-0.16/data/web/"
LDFLAGS: -rdynamic -O2 
>>>>>>>>>>>

Place info:
branch = 0, depth = 1

Level id: D:1
Level build method = random_map_for_place, level layout type  = rooms, absdepth0 = 0
Level vaults:
    dpeg_arrival_chase
    layout_rooms
    baited_tele_trap

Markers:
<<<<<<<<<<<<<<<<<<<<<<
Marker 0 at (58, 39): feature (stone_stairs_up_i)
>>>>>>>>>>>>>>>>>>>>>>

Messages:
<<<<<<<<<<<<<<<<<<<<<<
Welcome, karol the Minotaur Berserker.
The bosom of this dungeon contains the most powerful artefact, the Orb of Zot.
Trog says: Kill them all!
Press ? for a list of commands and other information.
Found 47 stones.
Found a staircase leading out of the dungeon.
Number of times to repeat, then command key: 
You must enter the number of times for the command to repeat.

>>>>>>>>>>>>>>>>>>>>>>

Game state:

mouse_enabled: 0, waiting_for_command: 0, terminal_resized: 0
io_inited: 1, need_save: 1, saving_game: 0, updating_scores: 0:
seen_hups: 0, map_stat_gen: 0, type: 1, arena_suspended: 0

prev_cmd = CMD_REPEAT_CMD
Doing prev_cmd again with keys: 
As ASCII keys: 

repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:       [karol]
Species:    Minotaur
Job:        Berserker

class_name: Berserker

HP: 19/19; mods: 0/0
MP: 1/1; mod: 0
Stats: 21 (21) 4 (4) 9 (9)
Position: (58, 39), god: Trog (10), turn_is_over: 0, banished: 0
Standing on/in/over feature: staircase leading out of the dungeon

Skills (mode: auto)
Name            | can_train | train | training | level | points | progress
Fighting        |     X     |   1   |    39    |    3  |    301 | 89/141
Short Blades    |           |   1   |     0    |    0  |      0 | 0/42
Long Blades     |           |   1   |     0    |    0  |      0 | 0/35
Axes            |           |   1   |     0    |    0  |      0 | 0/35
Maces & Flails  |     X     |   1   |    39    |    3  |    301 | 89/141
Polearms        |           |   1   |     0    |    0  |      0 | 0/35
Staves          |           |   1   |     0    |    0  |      0 | 0/35
Slings          |           |   1   |     0    |    0  |      0 | 0/42
Bows            |           |   1   |     0    |    0  |      0 | 0/42
Crossbows       |           |   1   |     0    |    0  |      0 | 0/42
Throwing        |     X     |   1   |     0    |    0  |      0 | 0/50
Armour          |     X     |   1   |    11    |    2  |    151 | 45/106
Dodging         |     X     |   1   |    11    |    2  |    151 | 25/126
Stealth         |     X     |   1   |     0    |    0  |      0 | 0/59
Shields         |           |   1   |     0    |    0  |      0 | 0/35
Unarmed Combat  |     X     |   1   |     0    |    0  |      0 | 0/42
Spellcasting    |     X     |   1   |     0    |    0  |      0 | 0/100
Conjurations    |           |   1   |     0    |    0  |      0 | 0/84
Hexes           |           |   1   |     0    |    0  |      0 | 0/100
Charms          |           |   1   |     0    |    0  |      0 | 0/100
Summonings      |           |   1   |     0    |    0  |      0 | 0/84
Necromancy      |           |   1   |     0    |    0  |      0 | 0/84
Translocations  |           |   1   |     0    |    0  |      0 | 0/84
Transmutations  |           |   1   |     0    |    0  |      0 | 0/70
Fire Magic      |           |   1   |     0    |    0  |      0 | 0/84
Ice Magic       |           |   1   |     0    |    0  |      0 | 0/84
Air Magic       |           |   1   |     0    |    0  |      0 | 0/84
Earth Magic     |           |   1   |     0    |    0  |      0 | 0/70
Poison Magic    |           |   1   |     0    |    0  |      0 | 0/84
Invocations     |           |   1   |     0    |    0  |      0 | 0/50
Evocations      |           |   1   |     0    |    0  |      0 | 0/50

Spell bugs:

Durations:

Attributes:
    #59: 1

Mutations:
    horns: 2 (innate)

Inventory bugs:

Equipment:
    eq slot #0, inv slot #0: +0 mace
    eq slot #6, inv slot #1: +0 animal skin

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
       ###
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  ≈≈≈≈≈≈≈....(.
 ≈≈≈≈≈≈≈≈≈≈≈≈≈.#
 ≈≈≈≈≈≈≈≈≈≈≈≈≈≈#
 ........≈≈≈≈≈≈#
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≈.......@...≈≈#
≈≈≈≈.......####
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 ..≈≈≈≈≈
 ..#####

clua stack:


dlua stack:


Lua persistent data:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>