protected function logAuthResult( $success, $status = null ) { LoggerFactory::getInstance( 'authevents' )->info( 'Account creation attempt', [ 'event' => 'accountcreation', 'successful' => $success, 'status' => $status, ] ); }
This is lacking in information... It would be useful to have the (attempted) username too
See also: T246471: Login authevents should include the username