Auto merge of #61741 - Centril:rollup-fgro5kz, r=Centril

[rust.git] / src / librustc_errors / lib.rs

diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs
index 6ec1b90cd91cd72f38ab87d2158cbe41bbef0204..05cee6dff230935626a535485da859ad0cf1011f 100644 (file)
--- a/src/librustc_errors/lib.rs
+++ b/src/librustc_errors/lib.rs
@@ -11,6 +11,7 @@
 #![feature(optin_builtin_traits)]
 #![deny(rust_2018_idioms)]
 #![deny(internal)]
+#![deny(unused_lifetimes)]
 
 #[allow(unused_extern_crates)]
 extern crate serialize as rustc_serialize; // used by deriving