diff --git a/src/land/ArcanistGitLandEngine.php b/src/land/ArcanistGitLandEngine.php
--- a/src/land/ArcanistGitLandEngine.php
+++ b/src/land/ArcanistGitLandEngine.php
@@ -134,7 +134,7 @@
     // authentication. See T10314.
 
     $err = $api->execPassthru(
-      'fetch -- %s %s',
+      'fetch --quiet -- %s %s',
       $this->getTargetRemote(),
       $this->getTargetOnto());