I'd go so far as to suggest you mentally note your "failures" that aren't a safety hazard and move on with the build. My first build had too much rake in the fork, and the light bulb didn't come on until I rode it some miles and realized why it felt somewhat twitchy. A number of things weren't awesome, but each attempt gets quite a bit better. I agree with Chauncey. You'd have never noticed an error that small.