Australia game like World Cup final for England, says Stuart Lancaster

• Defeat on Saturday likely to mean elimination for host nation • Coach says of Rugby World Cup match: ‘Everything rests on this’Stuart Lancaster admits his squad face the challenge of their lives to avoid being remembered as the least successful England team in Rugby World Cup history. Saturday’s drama-laden defeat by Wales means the host nation could bow out in the pool stages for the first time if they fail to beat Australia at Twickenham on Saturday.There may be temporary relief for Lancaster and his players if Fiji can defeat a battered Wales in Cardiff on Thursday but the Wallabies’ 11-t…