Link in rust.md is outdated

[tisonkun]

https://github.com/rust-lang/rust/blob/master/src/doc/reference/index.html gives 404.

[jonas-schievink]

What's rust.md? The reference is hosted at https://doc.rust-lang.org/nightly/reference/

[tisonkun]

@jonas-schievink this file https://github.com/rust-lang/rust/blob/master/src/doc/rust.md

[steveklabnik]

That page is rendered as https://doc.rust-lang.org/rust.html, and the link works there. It's not expected for it to work on GitHub.