print stderr

tools/testing/frogpad/frogpad.py

Index: tools/testing/frogpad/frogpad.py
diff --git a/tools/testing/frogpad/frogpad.py b/tools/testing/frogpad/frogpad.py
index 943c7801c3ba5100152fcc8a31937df17dd6629a..4a9f51d3f371f9ffa21c73a743b00cd0b6256950 100755
--- a/tools/testing/frogpad/frogpad.py
+++ b/tools/testing/frogpad/frogpad.py
@@ -344,10 +344,10 @@ def run_command(args):
       stderr=subprocess.PIPE,
       close_fds=True)
   (stdout, stderr) = child.communicate()
-  for line in stderr.splitlines():
-    logging.info(logging.INFO, '%s: %s' % (args[0], line))
   exit_code = child.wait()
   if exit_code:
+    for line in stderr.splitlines():
+      logging.info(logging.INFO, line)
     msg = "FAILURE (exit_code=%d): '%s'" % (exit_code, command)
     logging.error(msg)
     raise CommandFailedException(msg)