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Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Conclusion: remove symfony/symfony v2.3.6
    - Conclusion: don't install symfony/symfony v2.3.6
    - Conclusion: don't install symfony/symfony v2.3.5
    - Conclusion: don't install symfony/symfony v2.3.4
    - Conclusion: don't install symfony/symfony v2.3.3
    - Conclusion: don't install symfony/symfony v2.3.2
    - Conclusion: don't install symfony/symfony v2.3.1
    - jms/di-extra-bundle 1.1.0 requires symfony/framework-bundle 2.1.* -> satis
fiable by symfony/symfony[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], symfony/framework
-bundle[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].
    - jms/di-extra-bundle 1.1.1 requires symfony/finder 2.1.* -> satisfiable by
symfony/symfony[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], symfony/finder[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].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.0].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.1].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.10].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.11].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.12].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.13].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.2].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.3].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.4].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.5].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.6].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.7].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.8].
    - Can only install one of: symfony/symfony[v2.3.0, v2.1.9].
    - don't install symfony/framework-bundle v2.1.0|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.1|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.10|don't install symfony/symfo
ny v2.3.0
    - don't install symfony/framework-bundle v2.1.11|don't install symfony/symfo
ny v2.3.0
    - don't install symfony/framework-bundle v2.1.12|don't install symfony/symfo
ny v2.3.0
    - don't install symfony/framework-bundle v2.1.13|don't install symfony/symfo
ny v2.3.0
    - don't install symfony/framework-bundle v2.1.2|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.3|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.4|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.5|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.6|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.7|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.8|don't install symfony/symfon
y v2.3.0
    - don't install symfony/framework-bundle v2.1.9|don't install symfony/symfon
y v2.3.0
    - don't install symfony/finder v2.1.0|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.1|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.10|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.11|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.12|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.13|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.2|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.3|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.4|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.5|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.6|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.7|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.8|don't install symfony/symfony v2.3.0
    - don't install symfony/finder v2.1.9|don't install symfony/symfony v2.3.0
    - Installation request for symfony/symfony 2.3.* -> satisfiable by symfony/s
ymfony[v2.3.0, v2.3.1, v2.3.2, v2.3.3, v2.3.4, v2.3.5, v2.3.6].
    - Installation request for jms/di-extra-bundle 1.1.* -> satisfiable by jms/d
i-extra-bundle[1.1.0, 1.1.1].