geerlingguy.composer drupal/drupal-extension failing

gistfile1.txt

TASK [geerlingguy.composer : Install configured globally-required packages.] ***
[DEPRECATION WARNING]: Using bare variables is deprecated. Update your
playbooks so that the environment value uses the full variable syntax
('{{composer_global_packages}}'). This feature will be removed in a future
release. Deprecation warnings can be disabled by setting
deprecation_warnings=False in ansible.cfg.
ok: [xenodev] => (item={u'release': u'1.5.*@stable', u'name': u'behat/mink'})
ok: [xenodev] => (item={u'release': u'*', u'name': u'behat/mink-goutte-driver'})
ok: [xenodev] => (item={u'release': u'*', u'name': u'behat/mink-selenium2-driver'})
failed: [xenodev] => (item={u'release': u'*', u'name': u'drupal/drupal-extension'}) => {"changed": true, "cmd": "COMPOSER_HOME=/home/vagrant/.composer composer global require drupal/drupal-extension:* --no-progress", "delta": "0:00:30.577004", "end": "2016-03-21 15:26:00.259397", "failed": true, "item": {"name": "drupal/drupal-extension", "release": "*"}, "rc": 2, "start": "2016-03-21 15:25:29.682393", "stderr": "Changed current directory to /home/vagrant/.composer\nYou are running composer with xdebug enabled. This has a major impact on runtime performance. See https://getcomposer.org/xdebug\n./composer.json has been updated\nLoading composer repositories with package information\nUpdating dependencies (including require-dev)\nYour requirements could not be resolved to an installable set of packages.\n\n  Problem 1\n    - drupal/drupal-extension v0.1.1 requires behat/mink 1.4@stable -> no matching package found.\n    - drupal/drupal-extension v0.1.0 requires behat/mink 1.4@stable -> no matching package found.\n    - Conclusion: don't install drupal/drupal-extension v3.1.5\n    - Conclusion: don't install drupal/drupal-extension v3.1.4\n    - Conclusion: don't install drupal/drupal-extension v3.1.3\n    - Conclusion: don't install drupal/drupal-extension v3.1.2\n    - Conclusion: don't install drupal/drupal-extension v3.1.1\n    - Conclusion: don't install drupal/drupal-extension 3.1.0\n    - Conclusion: don't install drupal/drupal-extension v3.0.13\n    - Conclusion: don't install drupal/drupal-extension v3.0.12\n    - Conclusion: don't install drupal/drupal-extension v3.0.11\n    - Conclusion: don't install drupal/drupal-extension v3.0.10\n    - Conclusion: don't install drupal/drupal-extension v3.0.9\n    - Conclusion: don't install drupal/drupal-extension v3.0.8\n    - Conclusion: don't install drupal/drupal-extension v3.0.7\n    - Conclusion: don't install drupal/drupal-extension v3.0.6\n    - Conclusion: don't install drupal/drupal-extension v3.0.5\n    - Conclusion: don't install drupal/drupal-extension 3.0.4\n    - Conclusion: don't install drupal/drupal-extension v3.0.3\n    - Conclusion: don't install drupal/drupal-extension v3.0.2\n    - Conclusion: don't install drupal/drupal-extension v3.0.1\n    - Conclusion: don't install drupal/drupal-extension v3.0.0\n    - Conclusion: don't install drupal/drupal-extension v1.0.9\n    - Conclusion: don't install drupal/drupal-extension v1.0.8\n    - Conclusion: don't install drupal/drupal-extension v1.0.7\n    - Conclusion: don't install drupal/drupal-extension v1.0.6\n    - Conclusion: don't install drupal/drupal-extension v1.0.5\n    - Conclusion: don't install drupal/drupal-extension v1.0.4\n    - Conclusion: don't install drupal/drupal-extension v1.0.3\n    - Conclusion: don't install drupal/drupal-extension v1.0.2\n    - drupal/drupal-extension v0.1.6 requires symfony/browser-kit 2.4.2 -> satisfiable by symfony/browser-kit[v2.4.2].\n    - drupal/drupal-extension v1.0.0 requires symfony/browser-kit 2.4.2 -> satisfiable by symfony/browser-kit[v2.4.2].\n    - drupal/drupal-extension v1.0.1 requires symfony/browser-kit 2.4.2 -> satisfiable by symfony/browser-kit[v2.4.2].\n    - Conclusion: don't install symfony/browser-kit v2.4.2\n    - Conclusion: don't install drupal/drupal-extension v0.1.5\n    - Conclusion: don't install drupal/drupal-extension v0.1.4\n    - Conclusion: don't install drupal/drupal-extension v0.1.3\n    - Conclusion: remove symfony/event-dispatcher v3.0.3\n    - Installation request for symfony/browser-kit == 2.8.3.0 -> satisfiable by symfony/browser-kit[v2.8.3].\n    - Installation request for drupal/drupal-extension * -> satisfiable by drupal/drupal-extension[3.0.4, 3.1.0, v0.1.0, v0.1.1, v0.1.2, v0.1.3, v0.1.4, v0.1.5, v0.1.6, v1.0.0, v1.0.1, v1.0.2, v1.0.3, v1.0.4, v1.0.5, v1.0.6, v1.0.7, v1.0.8, v1.0.9, v3.0.0, v3.0.1, v3.0.10, v3.0.11, v3.0.12, v3.0.13, v3.0.2, v3.0.3, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.0.9, v3.1.1, v3.1.2, v3.1.3, v3.1.4, v3.1.5].\n    - Conclusion: don't install symfony/event-dispatcher v3.0.3\n    - drupal/drupal-extension v0.1.2 requires behat/behat 2.4.*@stable -> satisfiable by behat/behat[v2.4.0, v2.4.1, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6].\n    - behat/behat v2.4.0 requires symfony/event-dispatcher >=2.0.0,<2.2.0-dev -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9].\n    - behat/behat v2.4.1 requires symfony/event-dispatcher >=2.0.0,<2.2.0-dev -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9].\n    - behat/behat v2.4.2 requires symfony/event-dispatcher >=2.0.0,<2.2.0-dev -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9].\n    - behat/behat v2.4.3 requires symfony/event-dispatcher >=2.0.0,<2.2.0-dev -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9].\n    - behat/behat v2.4.4 requires symfony/event-dispatcher >=2.0.0,<2.2.0-dev -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9].\n    - behat/behat v2.4.5 requires symfony/event-dispatcher >=2.0,<2.3-dev -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9].\n    - behat/behat v2.4.6 requires symfony/event-dispatcher ~2.0 -> satisfiable by symfony/event-dispatcher[2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.12, v2.0.13, v2.0.14, v2.0.15, v2.0.16, v2.0.17, v2.0.18, v2.0.19, v2.0.20, v2.0.21, v2.0.22, v2.0.23, v2.0.24, v2.0.25, v2.0.9, v2.1.0, v2.1.1, v2.1.10, v2.1.11, v2.1.12, v2.1.13, v2.1.2, v2.1.3, v2.1.4, v2.1.5, v2.1.6, v2.1.7, v2.1.8, v2.1.9, v2.2.0, v2.2.1, v2.2.10, v2.2.11, v2.2.2, v2.2.3, v2.2.4, v2.2.5, v2.2.6, v2.2.7, v2.2.8, v2.2.9, v2.3.0, v2.3.1, v2.3.10, v2.3.11, v2.3.12, v2.3.13, v2.3.14, v2.3.15, v2.3.16, v2.3.17, v2.3.18, v2.3.19, v2.3.2, v2.3.20, v2.3.21, v2.3.22, v2.3.23, v2.3.24, v2.3.25, v2.3.26, v2.3.27, v2.3.28, v2.3.29, v2.3.3, v2.3.30, v2.3.31, v2.3.32, v2.3.33, v2.3.34, v2.3.35, v2.3.36, v2.3.37, v2.3.38, v2.3.39, v2.3.4, v2.3.5, v2.3.6, v2.3.7, v2.3.8, v2.3.9, v2.4.0, v2.4.1, v2.4.10, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.4.9, v2.5.0, v2.5.1, v2.5.10, v2.5.11, v2.5.12, v2.5.2, v2.5.3, v2.5.4, v2.5.5, v2.5.6, v2.5.7, v2.5.8, v2.5.9, v2.6.0, v2.6.1, v2.6.10, v2.6.11, v2.6.12, v2.6.13, v2.6.2, v2.6.3, v2.6.4, v2.6.5, v2.6.6, v2.6.7, v2.6.8, v2.6.9, v2.7.0, v2.7.1, v2.7.10, v2.7.2, v2.7.3, v2.7.4, v2.7.5, v2.7.6, v2.7.7, v2.7.8, v2.7.9, v2.8.0, v2.8.1, v2.8.2, v2.8.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.11, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.12, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.13, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.1.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.11, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.2.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.11, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.12, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.13, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.14, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.15, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.16, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.17, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.18, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.19, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.20, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.21, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.22, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.23, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.24, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.25, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.26, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.27, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.28, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.29, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.30, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.31, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.32, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.33, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.34, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.35, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.36, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.37, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.38, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.39, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.3.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.4.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.11, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.12, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.5.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.11, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.12, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.13, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.6.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.8, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.7.9, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.8.0, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.8.1, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.8.2, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.8.3, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[2.0.4, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[2.0.5, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[2.0.6, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[2.0.7, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.10, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.12, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.13, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.14, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.15, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.16, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.17, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.18, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.19, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.20, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.21, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.22, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.23, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.24, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.25, v3.0.3].\n    - Can only install one of: symfony/event-dispatcher[v2.0.9, v3.0.3].\n    - Installation request for symfony/event-dispatcher == 3.0.3.0 -> satisfiable by symfony/event-dispatcher[v3.0.3].\n\nPotential causes:\n - A typo in the package name\n - The package is not available in a stable-enough version according to your minimum-stability setting\n   see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details.\n\nRead <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.\n\nInstallation failed, reverting ./composer.json to its original content.", "stdout": "", "stdout_lines": [], "warnings": []}