From 847bad603ebba003044ddcfa286b1d3ea4e7f73e Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 15 Apr 2016 17:52:21 +0300
Subject: [PATCH] Don't print empty lines to stderr (#940)

---
 src/lib.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 9d90c58bea52f..f63b2caaa94e1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -440,7 +440,9 @@ pub enum Input {
 
 pub fn run(input: Input, config: &Config) -> Summary {
     let (mut summary, file_map, report) = format_input(input, config);
-    msg!("{}", report);
+    if report.has_warnings() {
+        msg!("{}", report);
+    }
 
     let mut out = stdout();
     let write_result = filemap::write_all_files(&file_map, &mut out, config);