INFO: mock.py version 1.1.38 starting... Start: init plugins INFO: tmpfs initialized INFO: selinux disabled Finish: init plugins Start: run INFO: Start(/mnt/dar/packages/imapsync/imapsync-1.584-2.fc20.art.src.rpm) Config(fedora-14-i386) Start: lock buildroot Start: clean chroot INFO: chroot (/var/lib/mock/fedora-14-i386) unlocked and deleted Finish: clean chroot Finish: lock buildroot Start: chroot init Start: lock buildroot Mock Version: 1.1.38 INFO: Mock Version: 1.1.38 INFO: calling preinit hooks INFO: mounting tmpfs at /var/lib/mock/fedora-14-i386/root/. 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 Start: device setup Finish: device setup Start: yum update Finish: yum update Finish: lock buildroot Finish: chroot init INFO: Installed packages: Start: build phase for imapsync-1.584-2.fc20.art.src.rpm Start: device setup Finish: device setup Start: build setup for imapsync-1.584-2.fc20.art.src.rpm INFO: unmounting tmpfs. ERROR: Exception(/mnt/dar/packages/imapsync/imapsync-1.584-2.fc20.art.src.rpm) Config(fedora-14-i386) 0 minutes 3 seconds INFO: Results and/or logs in: /var/lib/mock/fedora-14-i386/result ERROR: Command failed: # ['/usr/bin/yum-builddep', '--installroot', '/var/lib/mock/fedora-14-i386/root/', '/var/lib/mock/fedora-14-i386/root///builddir/build/SRPMS/imapsync-1.584-2.fc14.art.src.rpm'] Getting requirements for imapsync-1.584-2.fc14.art.src --> perl-Test-Simple-0.94-136.fc14.noarch --> Already installed : 4:perl-5.12.2-136.fc14.i686 --> Already installed : 4:perl-5.12.2-136.fc14.i686 --> perl-Digest-HMAC-1.02-3.fc14.noarch --> perl-File-Copy-Recursive-0.38-6.fc14.noarch --> perl-Mail-IMAPClient-3.30-1.fc14.art.noarch Error: Package: perl-Mail-IMAPClient-3.30-1.fc14.art.noarch (atomic) Requires: perl(:MODULE_COMPAT_5.12.4) You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest