From 67e6d6d8a4770972ad175f876c25faa0f7fec456 Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Sat, 27 Oct 2018 09:58:10 +0200
Subject: [PATCH] diagnose: write warning on stderr

---
 src/Composer/Command/DiagnoseCommand.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Composer/Command/DiagnoseCommand.php b/src/Composer/Command/DiagnoseCommand.php
index 3efb34973..11d1e1aa0 100644
--- a/src/Composer/Command/DiagnoseCommand.php
+++ b/src/Composer/Command/DiagnoseCommand.php
@@ -121,8 +121,8 @@ EOT
                 $rate = $this->getGithubRateLimit('github.com');
                 $this->outputResult(true);
                 if (10 > $rate['remaining']) {
-                    $io->write('<warning>WARNING</warning>');
-                    $io->write(sprintf(
+                    $io->writeError('<warning>WARNING</warning>');
+                    $io->writeError(sprintf(
                         '<comment>Github has a rate limit on their API. '
                         . 'You currently have <options=bold>%u</options=bold> '
                         . 'out of <options=bold>%u</options=bold> requests left.' . PHP_EOL