Auto merge of #9120 - dimo414:patch-1, r=alexcrichton
Auto merge of #9120 - dimo414:patch-1, r=alexcrichton

Flip 'foo' and 'bar' to be consistent

The "Renaming dependencies" section initially uses 'foo' as the crate name and 'bar' as a rename, but then swaps them and uses 'bar' as the example crate name in the context of optional dependencies. Now both examples in this section treat 'foo' as the original crate name.

rust-lang/cargo,nipunn1313/cargo,eminence/cargo,eminence/cargo,nipunn1313/cargo,rustyhorde/cargo,rustyhorde/cargo,rustyhorde/cargo,nipunn1313/cargo,nipunn1313/cargo,eminence/cargo,rust-lang/cargo,rust-lang/cargo,rust-lang/cargo,rustyhorde/cargo,eminence/cargo