returnSeatDemand(ust.uss.clk.Now())
		return
	}
	if idle {
		ust.uss.t.Error("got request but QueueSet reported idle")
	}
	if (!ust.uss.dontDump) && k%100 == 0 {
		insistRequestFromUser(ust.uss.t, ust.uss.qs, username)
	}
	var executed bool
	var returnTime time.Time
	idle2 := req.Finish(func() {
		executed = true
		execStart := ust.uss.clk.Now()