private function handleError(\Exception $e, $interimName)
    {
        // Console feedback
        $this->output->writeln('<error>A ' . $interimName . ' job failed. The exception returned was:</error>');
        $this->output->writeln('<error>    ' . $e->getMessage() . '</error>');
        $this->output->writeln('<error>Backtrace:</error>');
        $this->output->writeln('<error>' . $e->getTraceAsString() . '</error>');

        // Application log
        $this->app['logger.system']->error("$interimName job failed: " . substr($e->getTraceAsString(), 0, 1024), ['event' => 'cron']);
    }