Your package docker-distribution failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17713583 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1251762 [details] build.log
Created attachment 1251763 [details] root.log
Created attachment 1251764 [details] state.log
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.
lsm5's docker-distribution-2.6.2-1.git48294d9.fc27 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=921803
releng's docker-distribution-2.6.2-2.git48294d9.fc27 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=923836