You pitched too warm and the yeast made more diacetyl than they could reabsorb during the d rest. Try pitching a massive starter into wort 5-10 degrees BELOW your fermentation temp. Hold at 50-52 until you hit 1.018 or so and then d rest for 5-7 days, rack it and lager for 8 weeks. Then keg. Also, try avoiding American C-hops. Use noble hops with early additions only for many lagers.
Carboy 1: Air
Carboy 2: Air
Carboy 3: Air
Better Bottle: Banana Wine (Will Sparkle in time)
Growlers: 1 Gallon of Wild Yeast Culture!
Keg 1: Cream Ale (left tap)
Keg 2: IPA (right tap)
Keg 3: Cider
Keg 4: Air
Bottles: Sauvignon Blanc, Mixed Wine, Syrah, Apple Wine, Triberry Wine, Chianti
In the Works: Kate the Great Clone
Favorite Recipe #1: Kate the Great Clone
Favorite Recipe #2: Crop Chopper PAL
Favorite Recipe #3: Curieux Clone