From d911596af9695e2be6476c4e2b32f29ef95f430c Mon Sep 17 00:00:00 2001
From: Bo Anderson <mail@boanderson.me>
Date: Fri, 26 Feb 2021 05:09:14 +0000
Subject: [PATCH] dev-cmd/test: output stacktrace to stderr

---
 Library/Homebrew/dev-cmd/test.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/dev-cmd/test.rb b/Library/Homebrew/dev-cmd/test.rb
index c53c59365e..a18e647204 100644
--- a/Library/Homebrew/dev-cmd/test.rb
+++ b/Library/Homebrew/dev-cmd/test.rb
@@ -105,7 +105,7 @@ module Homebrew
       rescue Exception => e # rubocop:disable Lint/RescueException
         retry if retry_test?(f, args: args)
         ofail "#{f.full_name}: failed"
-        puts e, e.backtrace
+        $stderr.puts e, e.backtrace
       ensure
         ENV.replace(env)
       end