Your package chromium failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17710780 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1251524 [details] build.log
Created attachment 1251525 [details] root.log
Created attachment 1251526 [details] state.log
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.
chromium-56.0.2924.87-6.fc27 built in rawhide (fc26 building now, but they are identical for the next five minutes).