run update_lints script

CHANGELOG.md

@@ -866,6 +866,7 @@ All notable changes to this project will be documented in this file.
 [`unimplemented`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unimplemented
 [`unit_arg`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unit_arg
 [`unit_cmp`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unit_cmp
+[`unknown_clippy_lints`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unknown_clippy_lints
 [`unnecessary_cast`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unnecessary_cast
 [`unnecessary_filter_map`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unnecessary_filter_map
 [`unnecessary_fold`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unnecessary_fold

README.md

@@ -9,7 +9,7 @@ We are currently in the process of discussing Clippy 1.0 via the RFC process in
 
 A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code.
 
-[There are 283 lints included in this crate!](https://rust-lang-nursery.github.io/rust-clippy/master/index.html)
+[There are 284 lints included in this crate!](https://rust-lang-nursery.github.io/rust-clippy/master/index.html)
 
 We have a bunch of lint categories to allow you to choose how much Clippy is supposed to ~~annoy~~ help you: