Coroutine continue failure

gistfile1.cs

using System.Collections;
using UnityEngine;

public class CoroutineContinueFailure: MonoBehaviour {
	void Start() {
		LogTimeCoroutine = StartCoroutine(LogTime());
	}

	Coroutine LogTimeCoroutine;
	
	IEnumerator LogTime() {
		while (true) {
			Debug.Log(Time.time);
			yield return null;
		}
	}
	
	void Update() {
		if (Time.time > 1) StopCoroutine(LogTimeCoroutine);
	}
}