ASSERT(dist >= 1) in 'cloud.cc' at line 1523 failed.

Version: Dungeon Crawl Stone Soup 0.23-a0-716-g04f6012
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Command line: /var/dcss/builds/dcss-experimental-clouds/bin/dcss -name 286 -rc /var/dcss/gamedata/dcss-trunk/rc-files/286.rc -macro /var/dcss/gamedata/dcss-trunk/rc-files/286.macro -morgue /var/dcss/gamedata/dcss/morgue/286/ -extra-opt-first travel_delay=20 -extra-opt-first rest_delay=0 -wizard -dir /var/dcss/gamedata/dcss-experimental-clouds/save/ -webtiles-socket /tmp/dcss-sockets/286:2019-01-30.05:37:15.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 16 stack frames.
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_Z17write_stack_traceP8_IO_FILEi+0x38) [0x6a3408]: write_stack_trace(_IO_FILE*, int)
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_Z13do_crash_dumpv+0x49d) [0x6ab57d]: do_crash_dump()
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_Z20crash_signal_handleri+0x9c) [0x6a372c]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x354b0) [0x7fc46e68e4b0]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0x29) [0x7fc46ea34269]: 
/var/dcss/builds/dcss-experimental-clouds/bin/dcss() [0x6aabb9]
/var/dcss/builds/dcss-experimental-clouds/bin/dcss() [0x6aae3b]
/var/dcss/builds/dcss-experimental-clouds/bin/dcss() [0x68102d]
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_ZN14CloudGenerator3runEv+0xa5) [0x6813a5]: CloudGenerator::run()
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_Z13manage_cloudsv+0x14e8) [0x6850f8]: manage_clouds()
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_Z12world_reactsv+0x193) [0xc16ca3]: world_reacts()
/var/dcss/builds/dcss-experimental-clouds/bin/dcss() [0xc18fd0]
/var/dcss/builds/dcss-experimental-clouds/bin/dcss() [0xc19575]
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(main+0x125) [0x6086e5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0) [0x7fc46e679830]: 
/var/dcss/builds/dcss-experimental-clouds/bin/dcss(_start+0x29) [0x609179]: 

Trying to run gdb.
GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.5) 7.11.1
Copyright (C) 2016 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".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fc46ea33f2a in __waitpid (pid=26266, stat_loc=stat_loc@entry=0x0, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#0  0x00007fc46ea33f2a in __waitpid (pid=26266, stat_loc=stat_loc@entry=0x0, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
        resultvar = 18446744073709551104
#1  0x00000000006a3b2b in call_gdb (file=0x7fc46ea1e540 <_IO_2_1_stderr_>, file@entry=0xffffffff00000000) at crash.cc:435
        gdb = <optimized out>
        attach_cmd = "attach 26250\000\000\000\000\000\000\000"
#2  0x00000000006ab5a0 in do_crash_dump () at dbg-asrt.cc:677
        t = 140733902767136
        dir = "/var/dcss/gamedata/dcss/morgue/286/"
        name = "/var/dcss/gamedata/dcss/morgue/286/crash-286-20190130-053826.txt", '\000' <repeats 115 times>
        signal_info = "Crash caused by signal #6: Aborted"
        cause_msg = "ASSERT(dist >= 1) in 'cloud.cc' at line 1523 failed."
        file = 0xffffffff00000000
#3  0x00000000006a372c in crash_signal_handler (sig_num=6) at crash.cc:196
No locals.
#4  <signal handler called>
No locals.
#5  0x00007fc46ea34269 in raise (sig=6) at ../sysdeps/unix/sysv/linux/pt-raise.c:35
        resultvar = 0
        pid = <optimized out>
#6  0x00000000006aabb9 in _BreakStrToDebugger (mesg=mesg@entry=0x7fff2a484f40 "ASSERT(dist >= 1) in 'cloud.cc' at line 1523 failed.", assert=assert@entry=true) at dbg-asrt.cc:808
No locals.
#7  0x00000000006aae3b in AssertFailed (expr=expr@entry=0xc28825 "dist >= 1", file=file@entry=0xc287eb "cloud.cc", line=line@entry=1523, text=text@entry=0x0) at dbg-asrt.cc:846
        mesg = "ASSERT(dist >= 1) in 'cloud.cc' at line 1523 failed.\000", ' ' <repeats 22 times>, "\000\000\000\000\001%\000\000\000\001\000\000\000\020\000\000\000\000\000\000\000\300PH*\377\177\000\000PPH*\377\177", '\000' <repeats 74 times>, "\340\\P\003\000\000\000\000\016\000\000\000\000\000\000\000"...
        args = <error reading variable args (Attempt to dereference a generic pointer.)>
        fileName = <optimized out>
#8  0x000000000068102d in random_walk (start=..., dist=<optimized out>) at cloud.cc:1523
        moves_left = <optimized out>
        pos = <optimized out>
#9  0x00000000006813a5 in CloudGenerator::run (this=this@entry=0x31c7170) at cloud.cc:1833
        centre = {x = 1860542240, y = 32708}
        size_range = <optimized out>
        size = <optimized out>
        spread = <optimized out>
        i = 0
        runs = 1
#10 0x00000000006850f8 in manage_clouds () at cloud.cc:603
        cloud_ptrs = std::vector of length 0, capacity 0
#11 0x0000000000c16ca3 in world_reacts () at main.cc:2256
No locals.
#12 0x0000000000c18fd0 in _input () at main.cc:1180
        player_disabled = {was_disabled = false}
#13 0x0000000000c19575 in _launch_game () at main.cc:467
        game_start = true
#14 0x00000000006086e5 in _launch_game_loop () at main.cc:376
        game_ended = false
#15 main (argc=19, argv=0x7fff2a486368) at main.cc:331
No locals.

Compilation info:
<<<<<<<<<<<
Compiled with GCC 5.4.0 20160609 on Jan 17 2019 at 06:18:20
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -DEXPERIMENTAL_BRANCH="cplusplus_cloud_gen" -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 -g -DWIZARD -DASSERTS -DCLUA_BINDINGS -DDGAMELAUNCH -DWEB_DIR_PATH="/web/" -D_GNU_SOURCE -isystem /usr/include/ncursesw
LDFLAGS: -rdynamic -fuse-ld=gold -O2 
>>>>>>>>>>>

Place info:
branch = 22, depth = 1

Level id: Abyss:1
Abyssal state:
    major_coord = (278760221,1021779593)
    seed = 0x406b9390
    depth = 789278234
    phase = 0.04
    destroy_all_terrain = 0
    level = (0 : 1)
Level build method = abyss, level layout type  = abyss, absdepth0 = 24
Level vaults:
    kilobyte_mutagenic_chamber

Markers:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Messages:
<<<<<<<<<<<<<<<<<<<<<<
Welcome, 286 the Demonspawn Abyssal Knight.
The bosom of this dungeon contains the fabled artefact, the Orb of Zot.
Lugonu says: Depart the Abyss and spread corruption, my servant!
(use the ability menu to exit the Abyss)
Press ? for a list of commands and other information.
Found a glowing rapier, a phantom mirror and a thick runed staff.
Found two corrupted altars of Lugonu.
Unknown command.
Press < or > to pray at altars.
Unknown command.
Press < or > to pray at altars.
Unknown command.
Press < or > to pray at altars.
You offer a prayer to Lugonu.

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

Version history:
Game started: 0.23-a0-716-g04f6012

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_MOVE_DOWN_RIGHT
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [286]
Species: Demonspawn
Job:     Abyssal Knight

HP: 18/18; mods: 0/0
MP: 2/2; mod: 0
Stats: 12 (12) 13 (13) 12 (12)
Position: (41, 36), god: Lugonu (13), turn_is_over: 1, banished: 0
Standing on/in/over feature: fountain of sparkling water

Skills (mode: auto)
Name            | can_train | train | training | level | points | progress
Fighting        |     X     |   1   |    59    |    3  |    301 | 1/200
Short Blades    |     X     |   1   |    14    |    1  |    151 | 92/119
Long Blades     |           |   1   |     0    |    0  |      0 | 0/59
Axes            |           |   1   |     0    |    0  |      0 | 0/59
Maces & Flails  |           |   1   |     0    |    0  |      0 | 0/59
Polearms        |           |   1   |     0    |    0  |      0 | 0/59
Staves          |           |   1   |     0    |    0  |      0 | 0/59
Slings          |           |   1   |     0    |    0  |      0 | 0/59
Bows            |           |   1   |     0    |    0  |      0 | 0/59
Crossbows       |           |   1   |     0    |    0  |      0 | 0/59
Throwing        |     X     |   1   |     0    |    0  |      0 | 0/59
Armour          |     X     |   1   |    14    |    1  |    151 | 92/119
Dodging         |     X     |   1   |     2    |    0  |     51 | 51/59
Stealth         |     X     |   1   |     0    |    0  |      0 | 0/50
Shields         |           |   1   |     0    |    0  |      0 | 0/59
Unarmed Combat  |     X     |   1   |     0    |    0  |      0 | 0/59
Spellcasting    |     X     |   1   |     0    |    0  |      0 | 0/59
Conjurations    |           |   1   |     0    |    0  |      0 | 0/50
Hexes           |           |   1   |     0    |    0  |      0 | 0/50
Charms          |           |   1   |     0    |    0  |      0 | 0/59
Summonings      |           |   1   |     0    |    0  |      0 | 0/50
Necromancy      |           |   1   |     0    |    0  |      0 | 0/42
Translocations  |           |   1   |     0    |    0  |      0 | 0/59
Transmutations  |           |   1   |     0    |    0  |      0 | 0/59
Fire Magic      |           |   1   |     0    |    0  |      0 | 0/59
Ice Magic       |           |   1   |     0    |    0  |      0 | 0/59
Air Magic       |           |   1   |     0    |    0  |      0 | 0/59
Earth Magic     |           |   1   |     0    |    0  |      0 | 0/59
Poison Magic    |           |   1   |     0    |    0  |      0 | 0/50
Invocations     |     X     |   1   |    11    |    2  |    127 | 38/89
Evocations      |           |   1   |     0    |    0  |      0 | 0/50

Spell bugs:

Durations:

Attributes:
    #59: 1

Mutations:

Inventory bugs:

Equipment:
    eq slot #0, inv slot #0: +1 short sword
    eq slot #6, inv slot #1: +0 leather armour

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
 # .    .
 .#.  ..#
 ...  ..#
 #.#+#.#
##.....#
 ...#..#
 #.....#
 #_....#
 #.@.⌠.#
#...#..#
##._}|..#
 ######.#
        #

clua stack:


dlua stack:


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

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
Lua marker 0 at (41, 36):
{{{{
CLASS: FogMachine
pow_min: 10
spread_buildup_time: 1
listeners: 

spread_rate: 0
size_min: 4
size_max: 4
pow_max: 30
start_clouds: 1
dgn_trigs_by_type: 
    1: 
        1: 1

    32: 
        1: 2


triggerers: 
    1: 
        CLASS: DgnTriggerer
        countdown: 5
        type: turn
        method: dgn_event
        sub_type: countdown
        delay_min: 5
        buildup_turns: 0
        listener_only: false
        delay_max: 5

    2: 
        CLASS: DgnTriggerer
        method: dgn_event
        type: entered_level


size_buildup_time: 1
kill_cat: other
cloned: 1
activated: true
activating: false
buildup_turns: 1
size_buildup_amnt: 0
excl_rad: 1
spread_buildup_amnt: 0
cloud_type: mutagenic fog
props: 

walk_dist: 0
pow_rolls: 3}}}}
Lua marker 1 at (43, 36):
{{{{
CLASS: FogMachine
pow_min: 10
spread_buildup_time: 1
listeners: 

spread_rate: 0
size_min: 4
size_max: 4
pow_max: 30
start_clouds: 1
dgn_trigs_by_type: 
    1: 
        1: 1

    32: 
        1: 2


triggerers: 
    1: 
        CLASS: DgnTriggerer
        countdown: 5
        type: turn
        method: dgn_event
        sub_type: countdown
        delay_min: 5
        buildup_turns: 0
        listener_only: false
        delay_max: 5

    2: 
        CLASS: DgnTriggerer
        method: dgn_event
        type: entered_level


size_buildup_time: 1
kill_cat: other
cloned: 1
activated: true
activating: false
buildup_turns: 1
size_buildup_amnt: 0
excl_rad: 1
spread_buildup_amnt: 0
cloud_type: mutagenic fog
props: 

walk_dist: 0
pow_rolls: 3}}}}
>>>>>>>>>>>>>>>>>>>>>>