Symfony 4, Symfony Flex, Vagrant, Failed to remove directory (cache, de~, pools), Windows 10

Kernel.php

<?php

class Kernel extends BaseKernel
{
    use MicroKernelTrait;

    const CONFIG_EXTS = '.{php,xml,yaml,yml}';

    public function getCacheDir()
    {
        //add this when using vagrant to store cache in your vagrant temp folder
        //there's a weird issue with guest machines & shared folders so some folders
        //will exists locally on your windows machine, but not shared on your vm so this solves that issue
        //fuck yeah
        //shoutout to: https://stackoverflow.com/a/47296954
        if ($this->environment === 'dev') {
            return '/tmp/symfony/cache';
        }
        return $this->getProjectDir().'/var/cache/'.$this->environment;
    }
    
    //... other methods
}