src/creature_tracker.cpp:127 [bool Creature_tracker::update_pos(const monster&, const tripoint&)] update_zombie_pos: wanted to move the fungaloid to 49,52,-3, but new location already has the spore cloud

[l29ah]

I have zero clue, here's the save after it occurred.

22:42:04.918 ERROR : (error message will follow backtrace)
    cataclysm(_Z21debug_write_backtraceRSo+0x3a) [0x5560bfa227fa]
    cataclysm(_Z8DebugLog10DebugLevel10DebugClass+0x260) [0x5560bfa24d30]
    cataclysm(_Z12realDebugmsgPKcS0_S0_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x67) [0x5560bfa26b97]
    cataclysm(_ZN16Creature_tracker10update_posERK7monsterRK8tripoint+0x75e) [0x5560bfa1ad9e]
    cataclysm(_ZN7monster6setposERK8tripoint+0x6b) [0x5560c00c074b]
    cataclysm(_ZN8teleport8teleportER8Creatureiibb+0x230c) [0x5560c04af36c]
    cataclysm(_ZN8trapfunc7telepadERK8tripointP8CreatureP4item+0x1bc) [0x5560c04d833c]
    cataclysm(_ZNK4trap7triggerERK8tripointP8CreatureP4item+0x83) [0x5560c04cb983]
    cataclysm(_ZN7monster7move_toERK8tripointbf+0x4c6) [0x5560c00b2666]
    cataclysm(_ZN7monster7stumbleEv+0x4f8) [0x5560c00b55e8]
    cataclysm(_ZN7monster4moveEv+0x1156) [0x5560c00b6866]
    cataclysm(_ZN4game7monmoveEv+0x17b) [0x5560bfb80bfb]
    cataclysm(_ZN4game7do_turnEv+0xaaa) [0x5560bfb8257a]
    cataclysm(main+0xcf1) [0x5560bf6c0491]
    /lib64/libc.so.6(__libc_start_main+0xeb) [0x7ff9747a9e3b]
    cataclysm(_start+0x2a) [0x5560bf74b89a]

    Attempting to repeat stack trace using debug symbols…
    debug_write_backtrace(std::ostream&)
    …/src/debug.cpp:761
    DebugLog(DebugLevel, DebugClass)
    …/src/debug.cpp:926
    realDebugmsg(char const*, char const*, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
    …/src/debug.cpp:111
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_is_local() const
    /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/basic_string.h:211
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_dispose()
    /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/basic_string.h:220
    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string()
    /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/basic_string.h:657
    void realDebugmsg<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, int const&, int const&, int const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(char const*, char const*, char const*, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, int const&, int const&, int const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)
    …/src/debug.h:79
    Creature_tracker::update_pos(monster const&, tripoint const&)
    …/src/creature_tracker.cpp:125
    monster::setpos(tripoint const&)
    …/src/monster.cpp:262
    teleport::teleport(Creature&, int, int, bool, bool)
    …/src/teleport.cpp:91
    trapfunc::telepad(tripoint const&, Creature*, item*)
    …/src/trapfunc.cpp:647
    trap::trigger(tripoint const&, Creature*, item*) const
    …/src/trap.cpp:231
    monster::move_to(tripoint const&, bool, float)
    …/src/monmove.cpp:1539
    monster::stumble()
    …/src/monmove.cpp:1787
    std::vector<tripoint, std::allocator<tripoint> >::clear()
    /usr/lib/gcc/x86_64-pc-linux-gnu/8.3.0/include/g++-v8/bits/stl_vector.h:1386
    monster::move()
    …/src/monmove.cpp:950
    game::monmove()
    …/src/game.cpp:4124
    game::do_turn()
    …/src/game.cpp:1528
    main
    …/src/main.cpp:688
    __libc_start_main
    ??:?
    _start
    ??:?
Backtrace emission took 7 seconds.
src/creature_tracker.cpp:127 [bool Creature_tracker::update_pos(const monster&, const tripoint&)] update_zombie_pos: wanted to move the fungaloid to 49,52,-3, but new location already has the spore cloud

Versions and configuration

• OS: Linux
  • OS Version:
• Game Version: 0.D-11601-g30a5718ba6-dirty [64-bit]
• Graphics Version: Curses
• Mods loaded: [
  Dark Days Ahead [dda],
  Disable NPC Needs [no_npc_food],
  Modular Turrets [modular_turrets],
  Salvaged Robots [Salvaged_Robots],
  Alternative Map Key [alt_map_key]
  ]

Additional context

2020.01.22.zip

[ifreund]

Closing this as a duplicate to consolidate discussion in #37683