Autocrafter nil check missing

[MoNTE48]

2025-07-27 03:37:06: ERROR[Main]: ServerError: AsyncErr: ServerThread::run Lua: Runtime error from mod 'pipeworks' in callback node_on_timer(): .../worldmods/pipeworks_mc/autocrafter.lua:76: bad argument #2 to 'get_craft_result' (table expected, got nil)
2025-07-27 03:37:06: ERROR[Main]: stack traceback: 2025-07-27 03:37:06: ERROR[Main]: [C]: in function 'get_craft_result'
2025-07-27 03:37:06: ERROR[Main]: .../worldmods/pipeworks_mc/autocrafter.lua:76: in function 'get_craft'
2025-07-27 03:37:06: ERROR[Main]: .../worldmods/pipeworks_mc/autocrafter.lua:257: in function <.../worldmods/pipeworks_mc/autocrafter.lua:254>