Update Copyright year

flip1995 · flip1995 · commit 7a85b7761b6a · 2020-02-20T12:06:45.000+01:00
diff --git a/README.md b/README.md
@@ -182,7 +182,7 @@ If you want to contribute to Clippy, you can find more information in [CONTRIBUT
 
 ## License
 
-Copyright 2014-2019 The Rust Project Developers
+Copyright 2014-2020 The Rust Project Developers
 
 Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)> or the MIT license
diff --git a/rustc_tools_util/README.md b/rustc_tools_util/README.md
@@ -53,7 +53,7 @@ This gives the following output in clippy:
 
 ## License
 
-Copyright 2014-2019 The Rust Project Developers
+Copyright 2014-2020 The Rust Project Developers
 
 Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
