can it be a problem? warning: /etc/shadow created as /etc/shadow.rpmnew
and two more during the upgrade...
warning: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31-5.b13.fc21.x86_64/jre/lib/security/local_policy.jar saved as /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31-5.b13.fc21.x86_64/jre/lib/security/local_policy.jar.rpmsave warning: /etc/cups/cups-browsed.conf created as /etc/cups/cups-browsed.conf.rpmnew