Merge pull request #3392 from tianon/fix-install-failure

Fix install failure when busybox can't be downloaded
Upstream-commit: 40522c038053cf90f4035fb52a57003fd8ecf25c
Component: engine

components/engine/hack/install.sh

@@ -116,7 +116,7 @@ case "$lsb_dist" in
 			(
 				set -x
 				$sh_c 'docker run busybox echo "Docker has been successfully installed!"'
-			)
+			) || true
 		fi
 		exit 0
 		;;