<error>Child process error</error> (exit code 255): PHP Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\timeout(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 136 Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\timeout(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 136 PHP Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\sleep(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 217 Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\sleep(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 217 PHP Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\resolve(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 272 Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\resolve(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 272 PHP Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\reject(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 314 Deprecated: _PHPStan_7961f7ae1\React\Promise\Timer\reject(): Implicitly marking parameter $loop as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/react/promise-timer/src/functions.php on line 314 PHP Deprecated: _PHPStan_7961f7ae1\Symfony\Component\Console\Command\Command::__construct(): Implicitly marking parameter $name as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Command/Command.php on line 85 Deprecated: _PHPStan_7961f7ae1\Symfony\Component\Console\Command\Command::__construct(): Implicitly marking parameter $name as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Command/Command.php on line 85 PHP Deprecated: _PHPStan_7961f7ae1\Symfony\Component\Console\Command\Command::setApplication(): Implicitly marking parameter $application as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpstan/phpstan.phar/vendor/symfony/console/Command/Command.php on line 113 Deprecated: _PHPStan_7961f7ae1\Symfony\Component\Console\Command\Command::setApplication(): Implicitly marking parameter $application as nullable is deprecated, the explicit nullable type must be used instead in phar:///home/runner/work/phpstan-no-private/phpstan-no-private/vendor/phpstan/phpsta