Function liq_executing_user_callback 

#[unsafe(no_mangle)]
pub unsafe fn liq_executing_user_callback(
    callback: liq_image_get_rgba_row_callback,
    temp_row: &mut [MaybeUninit<liq_color>],
    row: usize,
    user_info: AnySyncSendPtr,
)

This is just to exist in backtraces of crashes that aren’t mine