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 cc3180c783bdf9c22296cbed3b7181fc36c076a0..05cee6dff230935626a535485da859ad0cf1011f 100644 (file)
--- a/src/librustc_errors/lib.rs
+++ b/src/librustc_errors/lib.rs
@@ -1,11 +1,17 @@
+//! Diagnostics creation and emission for `rustc`.
+//!
+//! This module contains the code for creating and emitting diagnostics.
+
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
 
+#![feature(crate_visibility_modifier)]
 #![allow(unused_attributes)]
 #![cfg_attr(unix, feature(libc))]
 #![feature(nll)]
 #![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