[nonovurbizniz]

That's not really rust... I see what your saying but...

I was rebuilding my brakes a while back and completely stripped them... They're castiron which is about the most rust-prone metal in the world and they took WAY longer than over night to rust even minorly...

the light brown stuff that happens fast is technically rust but if you wiped you hand over it it would come right off...

For example I was able to wash off the rust on my calipers after they had sat for a week or two before I finally painted them...