Fixed build error as per steveklabnik's suggestion and expanded on the ills of doing out of bounds accesses.
Fixed build error as per steveklabnik's suggestion and expanded on the ills of doing out of bounds accesses.

aidancully/rust,aidancully/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,graydon/rust,GBGamer/rust,GBGamer/rust,graydon/rust,graydon/rust,GBGamer/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,GBGamer/rust,GBGamer/rust,aidancully/rust