try a fix for "Parse error" in Travis under PHP 5.6 for doctrine/instantiator
try a fix for "Parse error" in Travis under PHP 5.6 for doctrine/instantiator

Idea to lower version of instantiator found here:
https://github.com/doctrine/instantiator/issues/30

Travis throws the following error in the PHP 5.6 environment:

$ vendor/bin/phpunit --bootstrap Test/bootstrap-travis.php --coverage-clover
gen/coverage/clover.xml
PHP Parse error:  syntax error, unexpected ':', expecting ';' or '{' in
/home/travis/build/SaftIng/Saft.arc2/vendor/doctrine/instantiator/src/Doctrine/Instantiator/Instantiator.php
on line 95
PHP Stack trace:
PHP   1. {main}()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/phpunit:0
PHP   2. PHPUnit_TextUI_Command::main()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/phpunit:52
PHP   3. PHPUnit_TextUI_Command->run()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/Command.php:100
PHP   4. PHPUnit_TextUI_Command->createRunner()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/Command.php:113
PHP   5. PHPUnit_TextUI_TestRunner->__construct()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/Command.php:178
PHP   6. PHPUnit_TextUI_TestRunner->getCodeCoverageFilter()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/TestRunner.php:64
PHP   7. PHPUnit_Util_Blacklist->getBlacklistedDirectories()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/TestRunner.php:1055
PHP   8. PHPUnit_Util_Blacklist->initialize()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:58
PHP   9. class_exists()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:91
PHP  10. spl_autoload_call()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:91
PHP  11. Composer\Autoload\ClassLoader->loadClass()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:91
PHP  12. Composer\Autoload\includeFile()
/home/travis/build/SaftIng/Saft.arc2/vendor/composer/ClassLoader.php:322
Parse error: syntax error, unexpected ':', expecting ';' or '{' in
/home/travis/build/SaftIng/Saft.arc2/vendor/doctrine/instantiator/src/Doctrine/Instantiator/Instantiator.php
on line 95
Call Stack:
    0.0001     248792   1. {main}()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/phpunit:0
    0.0047     937472   2. PHPUnit_TextUI_Command::main()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/phpunit:52
    0.0047     944584   3. PHPUnit_TextUI_Command->run()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/Command.php:100
    0.0306    4251168   4. PHPUnit_TextUI_Command->createRunner()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/Command.php:113
    0.0320    4485040   5. PHPUnit_TextUI_TestRunner->__construct()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/Command.php:178
    0.0320    4485184   6. PHPUnit_TextUI_TestRunner->getCodeCoverageFilter()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/TestRunner.php:64
    0.0324    4549016   7. PHPUnit_Util_Blacklist->getBlacklistedDirectories()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/TextUI/TestRunner.php:1055
    0.0324    4549160   8. PHPUnit_Util_Blacklist->initialize()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:58
    0.0392    5976448   9. class_exists()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:91
    0.0392    5976760  10. spl_autoload_call()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:91
    0.0392    5976816  11. Composer\Autoload\ClassLoader->loadClass()
/home/travis/build/SaftIng/Saft.arc2/vendor/phpunit/phpunit/src/Util/Blacklist.php:91
    0.0392    5977008  12. Composer\Autoload\includeFile()
/home/travis/build/SaftIng/Saft.arc2/vendor/composer/ClassLoader.php:322

SaftIng/Saft,SaftIng/Saft