X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=tests%2Ffmt.rs;h=be42f1fbb2023b4bb5bd8d4e2937be64cafa6f80;hb=1c8085d705849e528bf754e9db3b0e0521883d6d;hp=7616d8001e8853bb8e9de4e44659d01b3253bd6f;hpb=f3266685777191c62e9941ee43f199d85a39db97;p=rust.git

diff --git a/tests/fmt.rs b/tests/fmt.rs
index 7616d8001e8..be42f1fbb20 100644
--- a/tests/fmt.rs
+++ b/tests/fmt.rs
@@ -1,3 +1,6 @@
+#![cfg_attr(feature = "deny-warnings", deny(warnings))]
+#![warn(rust_2018_idioms, unused_lifetimes)]
+
 use std::path::PathBuf;
 use std::process::Command;