Links to docs.rs don't work in version 1

For example in https://hyper.rs/guides/1/server/hello-world/, the Service link points to https://docs.rs/hyper/hyper/service/trait.Service.html, which results in a 400 bad request response. It seems what's missing is `/latest` here:
https://github.com/hyperium/hyperium.github.io/blob/a87c5dc53bc00522cefa1b713cceef18724b6530/_config.yml#L56