From db0a72318aa2a579d1ee33caa4923e16327ccb4b Mon Sep 17 00:00:00 2001
From: Alex Butler <alexheretic@gmail.com>
Date: Wed, 6 Dec 2017 16:22:09 +0000
Subject: [PATCH] Fix config warnings leaking into stdout

---
 src/config.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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);
                         }
                     }
-- 
2.44.0