Try, for instance, php maintenance/resetUserEmail.php without specifying the require parameters user and email. This is what you get:
Argument <user> required!
Argument <email> required!
PHP Fatal error: Uncaught Error: Class 'MediaWiki\MediaWikiServices' not found in /var/www/html/maintenance/Maintenance.php:385
Stack trace:
#0 /var/www/html/maintenance/Maintenance.php(998): Maintenance->output('\nResets a user'...')
#1 /var/www/html/maintenance/Maintenance.php(958): Maintenance->maybeHelp(true)
#2 /var/www/html/maintenance/Maintenance.php(720): Maintenance->validateParamsAndArgs()
#3 /var/www/html/maintenance/doMaintenance.php(51): Maintenance->setup()
#4 /var/www/html/maintenance/resetUserEmail.php(72): require_once('/var/www/html/m...')
#5 {main}
thrown in /var/www/html/maintenance/Maintenance.php on line 385Only the first two lines should have been returned. The fatal is concerning.