Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/dependency-injection/Tests/Fixtures/containers/container20.php

@@ -0,0 +1,19 @@
+<?php
+
+require_once __DIR__.'/../includes/classes.php';
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+$container = new ContainerBuilder();
+$container
+    ->register('request', 'Request')
+    ->setSynchronized(true)
+;
+$container
+    ->register('depends_on_request', 'stdClass')
+    ->addMethodCall('setRequest', array(new Reference('request', ContainerInterface::NULL_ON_INVALID_REFERENCE, false)))
+;
+
+return $container;