From: Alex Butler <alexheretic@gmail.com>
Date: Wed, 6 Dec 2017 16:22:09 +0000 (+0000)
Subject: Fix config warnings leaking into stdout
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=db0a72318aa2a579d1ee33caa4923e16327ccb4b;p=rust.git

Fix config warnings leaking into stdout
---

diff --git a/src/config.rs b/src/config.rs
index 1ece6171d9b..4c6390c7627 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -361,7 +361,7 @@ fn fill_from_parsed_config(mut self, parsed: PartialConfig) -> Config {
                             self.$i.1 = true;
                             self.$i.2 = val;
                         } else {
-                            println!("Warning: can't set `{} = {:?}`, unstable features are only \
+                            eprintln!("Warning: can't set `{} = {:?}`, unstable features are only \
                                       available in nightly channel.", stringify!($i), val);
                         }
                     }