This is happening on Drupal 8.4.2.
When installing the module through the GUI, I get a WSOD with no error message and the installation fails.
When installing the module through Drush, the installation fails and I get the following error message:
PHP Fatal error: Cannot use Drupal\Component\Utility\String as String because 'String' is a special class name in /home/drupalpro/websites/mysite.dev/docroot/modules/contrib/views_rss_media/views_rss_media.install on line 8
PHP Stack trace:
PHP 1. {main}() /home/drupalpro/.composer/vendor/drush/drush/drush.php:0
PHP 2. drush_main() /home/drupalpro/.composer/vendor/drush/drush/drush.php:12
PHP 3. Drush\Boot\DrupalBoot8->bootstrap_and_dispatch() /home/drupalpro/.composer/vendor/drush/drush/includes/preflight.inc:66
PHP 4. drush_dispatch() /home/drupalpro/.composer/vendor/drush/drush/lib/Drush/Boot/BaseBoot.php:67
PHP 5. drush_command() /home/drupalpro/.composer/vendor/drush/drush/includes/command.inc:185
PHP 6. _drush_invoke_hooks() /home/drupalpro/.composer/vendor/drush/drush/includes/command.inc:217
PHP 7. drush_pm_enable_validate() /home/drupalpro/.composer/vendor/drush/drush/includes/command.inc:366
PHP 8. drupal_check_module() /home/drupalpro/.composer/vendor/drush/drush/commands/pm/pm.drush.inc:1108
PHP 9. module_load_install() /home/drupalpro/websites/mysite.dev/docroot/core/includes/install.inc:1005
PHP 10. module_load_include() /home/drupalpro/websites/mysite.dev/docroot/core/includes/module.inc:93
Drush command terminated abnormally due to an unrecoverable error.
Error: Cannot use Drupal\Component\Utility\String as String because 'String' is a special class name in /home/drupalpro/websites/mysite.dev/docroot/modules/contrib/views_rss_media/views_rss_media.install, line 8
Comments
Comment #2
jcmartinezThis my attempt at fixing this issue. There are other issues with the views_rss module which this module depends on. We should open tickets for that module as well.
Comment #3
suraj2012 commentedComment #4
suraj2012 commentedPatch from #2 works. Module installed properly. Attached screenshot

Comment #6
gislePushed to the latest snapshot of 8.x-1.x-dev. Thanks for the patch.