protected function runBuilders($builders)
    {
        $this->writeTitle('Executing builders');

        $builderContext = new BuilderContext($this->input, $this->output, $this->getApplication());

        foreach ($builders as $builder) {
            $this->output->getFormatter()->setIndentLevel(0);

            if ($builder instanceof ContainerAwareInterface) {
                $builder->setContainer($this->container);
            }

            $builder->setContext($builderContext);

            $this->output->writeln(sprintf(
                '<info>Target: </info>%s', $builder->getName()
            ));
            $this->output->writeln('');

            $this->output->getFormatter()->setIndentLevel(1);
            $builder->build();
        }
    }