Even though your breakout didn't happen, your channel actually got perfectly kept!! It's beautiful if you press the "play" button on your chart.
I used this idea to come up with a shorter timeframe channel and will keep the channel intact instead of going for the breakout, to simulate what happened on yours:
I used this idea to come up with a shorter timeframe channel and will keep the channel intact instead of going for the breakout, to simulate what happened on yours: