Docker trusted build error

[Major Hayden]

Hey folks,

I tried to make a docker trusted build based off the official fedora:20 image and everything worked well on a local Fedora 20 machine.  However, when I tried to do a trusted build via index.docker.io, the process failed when unpacking the httpd RPM:

> Installing : httpd-2.4.7-3.fc20.x86_64
> error: unpacking of archive failed on file /usr/sbin/suexec: cpio: cap_set_file

Marek stumbled upon an issue last September that is similar:

  https://bugzilla.redhat.com/show_bug.cgi?id=1012952

There's no way to do a privileged build via index.docker.io so I'm stuck at this point.  Does anyone have an idea for a fix? :)

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Major Hayden