PHP Fatal Error. (PHP 5.4.13 - PHPUnit 3.8.*) using Guard.

[villimagg]

23:45:23 - INFO - Guard uses Libnotify to send notifications.
23:45:23 - INFO - Guard uses TerminalTitle to send notifications.
23:45:23 - INFO - Running all tests
PHP Fatal error: Call to undefined method PHPUnit_Extensions_Progress_ResultPrinter::secondsToTimeString() in /etc/phpunit/vendor/phpunit/php-timer/PHP/Timer.php on line 138
PHP Stack trace:
PHP 1. {main}() /etc/phpunit/vendor/phpunit/phpunit/composer/bin/phpunit:0
PHP 2. PHPUnit_TextUI_Command::main() /etc/phpunit/vendor/phpunit/phpunit/composer/bin/phpunit:63
PHP 3. PHPUnit_TextUI_Command->run() /etc/phpunit/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php:129
PHP 4. PHPUnit_TextUI_TestRunner->doRun() /etc/phpunit/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php:176
PHP 5. PHPUnit_Extensions_Progress_ResultPrinter->printResult() /etc/phpunit/vendor/phpunit/phpunit/PHPUnit/TextUI/TestRunner.php:399
PHP 6. PHPUnit_Extensions_Progress_ResultPrinter->printFooter() /home/username/.rvm/gems/ruby-1.9.3-p374/gems/guard-phpunit-0.1.4/lib/guard/phpunit/formatters/PHPUnit-Progress/PHPUnit/Extensions/Progress/ResultPrinter.php:72
PHP 7. PHP_Timer->timeSinceStartOfRequest() /home/username/.rvm/gems/ruby-1.9.3-p374/gems/guard-phpunit-0.1.4/lib/guard/phpunit/formatters/PHPUnit-Progress/PHPUnit/Extensions/Progress/ResultPrinter.php:238
23:45:24 - INFO - .........