INFO: mock.py version 1.2.13 starting (python version = 2.7.8)...
Start: init plugins
INFO: tmpfs initialized
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/var/tmp/tnef/tnef-1.4.10-5.fc21.art.src.rpm)  Config(fedora-23-x86_64)
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: mounting tmpfs at /var/lib/mock/fedora-23-x86_64/root.
INFO: calling preinit hooks
INFO: enabled root cache
Start: unpacking root cache
Finish: unpacking root cache
INFO: enabled yum cache
Start: cleaning yum metadata
Finish: cleaning yum metadata
INFO: enabled ccache
Mock Version: 1.2.13
INFO: Mock Version: 1.2.13
Start: yum update
Finish: yum update
Finish: chroot init
Start: build phase for tnef-1.4.10-5.fc21.art.src.rpm
Start: build setup for tnef-1.4.10-5.fc21.art.src.rpm
Finish: build setup for tnef-1.4.10-5.fc21.art.src.rpm
Start: rpmbuild tnef-1.4.10-5.fc21.art.src.rpm
ERROR: Exception(/var/tmp/tnef/tnef-1.4.10-5.fc21.art.src.rpm) Config(fedora-23-x86_64) 0 minutes 10 seconds
INFO: Results and/or logs in: /var/lib/mock/fedora-23-x86_64/result
INFO: unmounting tmpfs.
ERROR: Command failed. See logs for output.
 # bash --login -c /usr/bin/rpmbuild -bb --target x86_64 --nodeps  /builddir/build/SPECS/tnef-art.spec