Rustup for https://github.com/rust-lang/rust/pull/61276

[rust.git] / README.md

diff --git a/README.md b/README.md
index 0fd7c557dd61019f5950a3d56c854de7568da867..c25c83d87520febd93f30dbc356b731dab662e5f 100644 (file)
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@
 
 A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code.
 
-[There are 297 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html)
+[There are 304 lints included in this crate!](https://rust-lang.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:
 
@@ -125,6 +125,11 @@ before_script:
    # etc
 ```
 
+Note that adding `-D warnings` will cause your build to fail if **any** warnings are found in your code.
+That includes warnings found by rustc (e.g. `dead_code`, etc.). If you want to avoid this and only cause
+an error for clippy warnings, use `#![deny(clippy::all)]` in your code or `-D clippy::all` on the command
+line. (You can swap `clippy::all` with the specific lint category you are targeting.)
+
 ## Configuration
 
 Some lints can be configured in a TOML file named `clippy.toml` or `.clippy.toml`. It contains a basic `variable = value` mapping eg.