Issue in vagrant box, using Symfony

gistfile1.txt

$ sfconsole cache:clear -vvv
18:59:29 DEBUG     [php] Warning: rmdir(/var/www/formation/symfony-blog/var/cache/de~/translations): Directory not empty
[
  "exception" => Symfony\Component\Debug\Exception\SilencedErrorContext {
    -severity: E_WARNING,
    trace: {
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php:174: {
        : ,
        : if (!@rmdir($file) && file_exists($file)) {,
        :     $error = error_get_last();
      }
    }
  }
]
[]
18:59:29 INFO      [php] User Deprecated: The "Symfony\Component\Console\Event\ConsoleExceptionEvent" class is deprecated since version 3.3 and will be removed in 4.0. Use the ConsoleErrorEvent instead.
[
  "exception" => Symfony\Component\Debug\Exception\ContextErrorException {
    -context: [
      "class" => "Symfony\Component\Console\Event\ConsoleExceptionEvent",
      "file" => "/var/www/formation/symfony-blog/vendor/composer/../symfony/symfony/src/Symfony/Component/Console/Event/ConsoleExceptionEvent.php"
    ],
    #message: "User Deprecated: The "Symfony\Component\Console\Event\ConsoleExceptionEvent" class is deprecated since version 3.3 and will be removed in 4.0. Use the ConsoleErrorEvent instead.",
    #code: 0,
    #file: "/var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Event/ConsoleExceptionEvent.php",
    #line: 14,
    #severity: E_USER_DEPRECATED,
    trace: {
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Event/ConsoleExceptionEvent.php:14: {
        : ,
        : @trigger_error(sprintf('The "%s" class is deprecated since version 3.3 and will be removed in 4.0. Use the ConsoleErrorEvent instead.', ConsoleExceptionEvent::class), E_USER_DEPRECATED);,
        : 
      },
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Debug/DebugClassLoader.php:144: {
        : if ($file = $this->classLoader[0]->findFile($class)) {,
        :     require_once $file;,
        : },
        arguments: {
          "/var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Event/ConsoleExceptionEvent.php"
        }
      },
      Symfony\Component\Debug\DebugClassLoader->loadClass(): {},
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:897: {
        : $x = $e instanceof \Exception ? $e : new FatalThrowableError($e);,
        : $event = new ConsoleExceptionEvent($command, $input, $output, $x, $x->getCode());,
        : $this->dispatcher->dispatch(ConsoleEvents::EXCEPTION, $event);,
        arguments: {
          $class_name: "Symfony\Component\Console\Event\ConsoleExceptionEvent"
        }
      },
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:223: {
        : $this->runningCommand = $command;,
        : $exitCode = $this->doRunCommand($command, $input, $output);,
        : $this->runningCommand = null;,
        arguments: {
          $command: Symfony\Bundle\FrameworkBundle\Command\CacheClearCommand { …},
          $input: Symfony\Component\Console\Input\ArgvInput {#1 …},
          $output: Symfony\Component\Console\Output\ConsoleOutput {#2 …}
        }
      },
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Console/Application.php:81: {
        : ,
        :     return parent::doRun($input, $output);,
        : },
        arguments: {
          $input: Symfony\Component\Console\Input\ArgvInput {#1 …},
          $output: Symfony\Component\Console\Output\ConsoleOutput {#2 …}
        }
      },
      /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:130: {
        :     $e = null;,
        :     $exitCode = $this->doRun($input, $output);,
        : } catch (\Exception $x) {,
        arguments: {
          $input: Symfony\Component\Console\Input\ArgvInput {#1 …},
          $output: Symfony\Component\Console\Output\ConsoleOutput {#2 …}
        }
      },
      /var/www/formation/symfony-blog/bin/console:28: {
        : $application = new Application($kernel);,
        : $application->run($input);,
        : ,
        arguments: {
          $input: Symfony\Component\Console\Input\ArgvInput {#1 …}
        }
      }
    }
  }
]
[]

                                                                                              
  [Symfony\Component\Filesystem\Exception\IOException]                                        
  Failed to remove directory "/var/www/formation/symfony-blog/var/cache/de~/translations": .  
                                                                                              

Exception trace:
 () at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php:176
 Symfony\Component\Filesystem\Filesystem->remove() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Filesystem/Filesystem.php:172
 Symfony\Component\Filesystem\Filesystem->remove() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php:70
 Symfony\Bundle\FrameworkBundle\Command\CacheClearCommand->execute() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Command/Command.php:264
 Symfony\Component\Console\Command\Command->run() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:887
 Symfony\Component\Console\Application->doRunCommand() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:223
 Symfony\Component\Console\Application->doRun() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Console/Application.php:81
 Symfony\Bundle\FrameworkBundle\Console\Application->doRun() at /var/www/formation/symfony-blog/vendor/symfony/symfony/src/Symfony/Component/Console/Application.php:130
 Symfony\Component\Console\Application->run() at /var/www/formation/symfony-blog/bin/console:28

cache:clear [--no-warmup] [--no-optional-warmers] [-h|--help] [-q|--quiet] [-v|vv|vvv|--verbose] [-V|--version] [--ansi] [--no-ansi] [-n|--no-interaction] [-e|--env ENV] [--no-debug] [--] <command>