clippy_lints: enable crate_visibility_modifier since it is used but no longer part...

Fixes build with https://github.com/rust-lang/rust/pull/53999

diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs
index d082bd9097163bde39382ec3a28e13e25d74023a..0619b12cddd69419db2fb1d05f5add219051dd70 100644 (file)
--- a/clippy_lints/src/lib.rs
+++ b/clippy_lints/src/lib.rs
@@ -10,6 +10,7 @@
 #![feature(macro_at_most_once_rep)]
 #![feature(tool_lints)]
 #![warn(rust_2018_idioms)]
+#![feature(crate_visibility_modifier)]
 
 use toml;
 use rustc_plugin;