ASSERT(!spells.empty()) in 'randbook.cc' at line 552 failed.

Version: Dungeon Crawl Stone Soup 0.27-a0-909-g0721f309d1
Platform: unix
Bits: 64
Game mode: normal
Tiles: online

Seed: 0, deterministic pregen: 1
Command line: /usr/games/crawl-git-0721f309d1 -name HilariousDeathArtist -rc /dgldir/rcfiles/crawl-git/HilariousDeathArtist.rc -macro /dgldir/rcfiles/crawl-git/HilariousDeathArtist.macro -morgue /dgldir/morgue/HilariousDeathArtist/ -webtiles-socket /crawl-master/webserver/sockets/HilariousDeathArtist:2021-04-08.14:06:17.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #6: Aborted

Obtained 22 stack frames.
/usr/games/crawl-git-0721f309d1(_Z17write_stack_traceP8_IO_FILE+0x3f) [0x55eb69899a8f]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-0721f309d1(_Z13do_crash_dumpv+0x431) [0x55eb698a1311]: do_crash_dump()
/usr/games/crawl-git-0721f309d1(_Z20crash_signal_handleri+0x1fa) [0x55eb69899f1a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f58a2019210]: 
/lib/x86_64-linux-gnu/libpthread.so.0(raise+0xcb) [0x7f58a21da24b]: 
/usr/games/crawl-git-0721f309d1(+0x403a3d) [0x55eb698a0a3d]: 
/usr/games/crawl-git-0721f309d1(+0x403bf5) [0x55eb698a0bf5]: 
/usr/games/crawl-git-0721f309d1(_Z20_set_book_spell_listR8item_defSt6vectorI10spell_typeSaIS2_EE+0x2ac) [0x55eb69cdc97c]: _set_book_spell_list(item_def&, std::vector<spell_type, std::allocator<spell_type> >)
/usr/games/crawl-git-0721f309d1(_Z23init_book_theme_randartR8item_defSt6vectorI10spell_typeSaIS2_EE+0x64) [0x55eb69cdca04]: init_book_theme_randart(item_def&, std::vector<spell_type, std::allocator<spell_type> >)
/usr/games/crawl-git-0721f309d1(_Z17build_themed_bookR8item_defSt8functionIFb8spschoolS2_iRKSt6vectorI10spell_typeSaIS4_EES4_EES1_IFS2_vEEiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESI_+0x1a1) [0x55eb69cdcbe1]: build_themed_book(item_def&, std::function<bool (spschool, spschool, int, std::vector<spell_type, std::allocator<spell_type> > const&, spell_type)>, std::function<spschool ()>, int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)
/usr/games/crawl-git-0721f309d1(+0x7cd097) [0x55eb69c6a097]: 
/usr/games/crawl-git-0721f309d1(_Z15create_wandererv+0x28d) [0x55eb69c6a41d]: create_wanderer()
/usr/games/crawl-git-0721f309d1(_Z17give_items_skillsRK11newgame_def+0x12) [0x55eb69c655c2]: give_items_skills(newgame_def const&)
/usr/games/crawl-git-0721f309d1(_Z21fill_doll_for_newgameR10dolls_dataRK11newgame_def+0x11d) [0x55eb69e92bcd]: fill_doll_for_newgame(dolls_data&, newgame_def const&)
/usr/games/crawl-git-0721f309d1(+0x7b87ac) [0x55eb69c557ac]: 
/usr/games/crawl-git-0721f309d1(+0x7ba27d) [0x55eb69c5727d]: 
/usr/games/crawl-git-0721f309d1(_Z11choose_gameR11newgame_defS0_RKS_+0xb0) [0x55eb69c5afe0]: choose_game(newgame_def&, newgame_def&, newgame_def const&)
/usr/games/crawl-git-0721f309d1(_Z12startup_stepv+0x14a1) [0x55eb69d8d061]: startup_step()
/usr/games/crawl-git-0721f309d1(+0xa18a07) [0x55eb69eb5a07]: 
/usr/games/crawl-git-0721f309d1(main+0x1a5) [0x55eb697f90a5]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f58a1ffa0b3]: 
/usr/games/crawl-git-0721f309d1(_start+0x2e) [0x55eb697f9bbe]: 

gdb not executable.

Compilation info:
<<<<<<<<<<<
Compiled with GCC 9.3.0
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -Wall -Wformat-security -Wundef -Wextra -Wno-missing-field-initializers -Wno-implicit-fallthrough -Wno-type-limits -Wno-uninitialized -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 -g -DWIZARD -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-master/crawl-git-0721f309d1/saves" -DSHARED_DIR_PATH="/crawl-master/crawl-git/saves" -DDATA_DIR_PATH="/crawl-master/crawl-git-0721f309d1/data/" -DWEB_DIR_PATH="/crawl-master/crawl-git-0721f309d1/data/web/" -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
LDFLAGS: -rdynamic -fuse-ld=gold -O2 
>>>>>>>>>>>

Place info:
branch = 0, depth = 1

Level id: D:1
Level build method = ABSENT, level layout type  = ABSENT, absdepth0 = 0

Markers:
<<<<<<<<<<<<<<<<<<<<<<
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Messages:
<<<<<<<<<<<<<<<<<<<<<<
Data directory '/crawl-master/crawl-git-0721f309d1/data/dat/' found.
Loading databases... Loading spells and features... Loading maps...
Hello, welcome to Dungeon Crawl Stone Soup 0.27-a0-909-g0721f309d1!
(c) Copyright 1997-2002 Linley Henzell, 2002-2021 Crawl DevTeam
Options read from "HilariousDeathArtist.rc".

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

Version history:
No version history (current version is 0.27-a0-909-g0721f309d1)

Game state:

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

prev_cmd = CMD_NO_CMD
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [HilariousDeathArtist]
Species: Ghoul
Job:     Wanderer

HP: 0/0; mods: 0/0
MP: 0/0; mod: 0
Stats: 13 (13) 5 (5) 12 (12)
Position: (0, 0) <OoB>, god: No God (0), turn_is_over: 0, banished: 0

Skills (mode: manual)
Name            | can_currently_train | train | training | level | points | progress
Fighting        |                     |   0   |     0    |    0  |      0 | 0/42
Short Blades    |                     |   0   |     0    |    0  |      0 | 0/59
Long Blades     |                     |   0   |     0    |    0  |      0 | 0/59
Axes            |                     |   0   |     0    |    0  |      0 | 0/59
Maces & Flails  |                     |   0   |     0    |    0  |      0 | 0/59
Polearms        |                     |   0   |     0    |    0  |      0 | 0/59
Staves          |                     |   0   |     0    |    0  |      0 | 0/59
Slings          |                     |   0   |     0    |    0  |      0 | 0/59
Bows            |                     |   0   |     0    |    0  |      0 | 0/59
Crossbows       |                     |   0   |     0    |    0  |      0 | 0/59
Throwing        |                     |   0   |     0    |    1  |      0 | -59/119
Armour          |                     |   0   |     0    |    0  |      0 | 0/59
Dodging         |                     |   0   |     0    |    0  |      0 | 0/59
Stealth         |                     |   0   |     0    |    1  |      0 | -35/71
Shields         |                     |   0   |     0    |    0  |      0 | 0/59
Unarmed Combat  |                     |   0   |     0    |    0  |      0 | 0/42
Spellcasting    |                     |   0   |     0    |    4  |      0 | -707/353
Conjurations    |                     |   0   |     0    |    0  |      0 | 0/70
Hexes           |                     |   0   |     0    |    0  |      0 | 0/70
Summonings      |                     |   0   |     0    |    0  |      0 | 0/59
Necromancy      |                     |   0   |     0    |    0  |      0 | 0/50
Translocations  |                     |   0   |     0    |    0  |      0 | 0/59
Transmutations  |                     |   0   |     0    |    0  |      0 | 0/59
Fire Magic      |                     |   0   |     0    |    0  |      0 | 0/70
Ice Magic       |                     |   0   |     0    |    1  |      0 | -42/84
Air Magic       |                     |   0   |     0    |    0  |      0 | 0/70
Earth Magic     |                     |   0   |     0    |    3  |      0 | -252/168
Poison Magic    |                     |   0   |     0    |    0  |      0 | 0/50
Invocations     |                     |   0   |     0    |    0  |      0 | 0/42
Evocations      |                     |   0   |     0    |    0  |      0 | 0/59

Spell bugs:

Durations:

Attributes:

Mutations:
    claws: 1 (innate)
    cold resistance: 1 (innate)
    negative energy resistance: 3 (innate)
    inhibited regeneration: 1 (innate)
    torment resistance: 2 (innate)
    unbreathing: 1 (innate)

Inventory bugs:
    slot #0: item 'curare-tipped dart' has invalid link 27000
    slot #0: item 'curare-tipped dart' has invalid pos (0, 0) <OoB>
    slot #1: item '+2 dagger' has invalid link 27000
    slot #1: item '+2 dagger' has invalid pos (0, 0) <OoB>
    slot #2: item 'Tuxojog's Disquisition on Cold' has invalid link 27000
    slot #2: item 'Tuxojog's Disquisition on Cold' has invalid pos (0, 0) <OoB>
    slot #3: item ' "Ofoiv"' has invalid link 27000
    slot #3: item ' "Ofoiv"' has invalid pos (0, 0) <OoB>

Equipment:
    eq slot #0, inv slot #1: +2 dagger (unknown)

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
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