For high-level intro to how type checking works in rustc, see the
[type checking] chapter of the [rustc guide].
-[type checking]: https://rust-lang-nursery.github.io/rustc-guide/type-checking.html
-[rustc guide]: https://rust-lang-nursery.github.io/rustc-guide/
+[type checking]: https://rust-lang.github.io/rustc-guide/type-checking.html
+[rustc guide]: https://rust-lang.github.io/rustc-guide/