Generating autoload files
ComponentInstaller\Installer::postAutoloadDump
Compiling component files
Oro\Bundle\InstallerBundle\Composer\ScriptHandler::checkComposerPlugin
Incenteev\ParameterHandler\ScriptHandler::buildParameters
/cygdrive/c/ProgramData/ComposerSetup/bin/composer: line 18: 13052 Segmentation fault php “${dir}/composer.phar” $*
I have fixed it only by reinstalling OroCRM from scratch.