A new version was released through some sort of automated upgrade that fails after downloading the RPM. I got the new package URLs from the upwork logs. Reproducible: Always
Created attachment 404014 [details, diff] upwork-4.0.67.0.ebuild.diff
Created attachment 404424 [details, diff] upwork-4.0.70.0.ebuild.diff new version
*upwork-4.0.70.0 (02 Jun 2015) 02 Jun 2015; Aaron W. Swenson <titanofold@gentoo.org> +upwork-4.0.70.0.ebuild: Version bump fixes bug 550478.