`eading ./composer.json
Executing command (CWD): git describe --exact-match --tags
Executing command (CWD): git branch --no-color --no-abbrev -v
Executing command (CWD): git rev-list master..4f1cdf9ebd97f051898c6549396bbc8655855940
Reading ./composer.lock
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Reading ./composer.lock
  - Installing symfony/symfony (v2.3.4)
Downloading https://api.github.com/repos/symfony/symfony/zipball/4fb225f4e315c11aa6d8935b1c0ceaf48ba39f1f
    Downloading: 100%
Writing /var/lib/jenkins/.composer/cache/files/symfony/symfony/4fb225f4e315c11aa6d8935b1c0ceaf48ba39f1f.zip into cache
    Extracting archive
Executing command (CWD): unzip '/path/vendor/symfony/symfony/18d445f9a2872a2180117b9f762f4b19' -d 'vendor/composer/9af7690f' && chmod -R u+w 'vendor/composer/9af7690f'



  [Symfony\Component\Process\Exception\ProcessTimedOutException]
  The process "unzip '/path/vendor/symfony/symfony/18d445f9
  a2872a2180117b9f762f4b19' -d 'vendor/composer/9af7690f' && chmod -R u+w 'vendor/composer/9af7690f
  '" exceeded the timeout of 300 seconds.



Exception trace:
 () at phar:///usr/local/bin/composer.phar/vendor/symfony/process/Symfony/Component/Process/Process.php:952
 Symfony\Component\Process\Process->checkTimeout() at phar:///usr/local/bin/composer.phar/vendor/symfony/process/Symfony/Component/Process/Process.php:306
 Symfony\Component\Process\Process->wait() at phar:///usr/local/bin/composer.phar/vendor/symfony/process/Symfony/Component/Process/Process.php:199
 Symfony\Component\Process\Process->run() at phar:///usr/local/bin/composer.phar/src/Composer/Util/ProcessExecutor.php:61
 Composer\Util\ProcessExecutor->execute() at phar:///usr/local/bin/composer.phar/src/Composer/Downloader/ZipDownloader.php:42
 Composer\Downloader\ZipDownloader->extract() at phar:///usr/local/bin/composer.phar/src/Composer/Downloader/ArchiveDownloader.php:43
 Composer\Downloader\ArchiveDownloader->download() at phar:///usr/local/bin/composer.phar/src/Composer/Downloader/DownloadManager.php:180
 Composer\Downloader\DownloadManager->download() at phar:///usr/local/bin/composer.phar/src/Composer/Installer/LibraryInstaller.php:155
 Composer\Installer\LibraryInstaller->installCode() at phar:///usr/local/bin/composer.phar/src/Composer/Installer/LibraryInstaller.php:86
 Composer\Installer\LibraryInstaller->install() at phar:///usr/local/bin/composer.phar/src/Composer/Installer/InstallationManager.php:153
 Composer\Installer\InstallationManager->install() at phar:///usr/local/bin/composer.phar/src/Composer/Installer/InstallationManager.php:140
 Composer\Installer\InstallationManager->execute() at phar:///usr/local/bin/composer.phar/src/Composer/Installer.php:510
 Composer\Installer->doInstall() at phar:///usr/local/bin/composer.phar/src/Composer/Installer.php:211
 Composer\Installer->run() at phar:///usr/local/bin/composer.phar/src/Composer/Command/InstallCommand.php:110
 Composer\Command\InstallCommand->execute() at phar:///usr/local/bin/composer.phar/vendor/symfony/console/Symfony/Component/Console/Command/Command.php:244
 Symfony\Component\Console\Command\Command->run() at phar:///usr/local/bin/composer.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:897
 Symfony\Component\Console\Application->doRunCommand() at phar:///usr/local/bin/composer.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:191
 Symfony\Component\Console\Application->doRun() at phar:///usr/local/bin/composer.phar/src/Composer/Console/Application.php:117
 Composer\Console\Application->doRun() at phar:///usr/local/bin/composer.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:121
 Symfony\Component\Console\Application->run() at phar:///usr/local/bin/composer.phar/src/Composer/Console/Application.php:83
 Composer\Console\Application->run() at phar:///usr/local/bin/composer.phar/bin/composer:43
 require() at /usr/local/bin/composer.phar:15
`