From .
 * [new ref]                 HEAD       -> merge-attempt
From https://github.com/cms-sw/cmssw
 * [new ref]                 refs/pull/46821/head -> cms-sw/refs/pull/46821/head
Switched to branch 'merge-attempt'
Auto-merging FWCore/Integration/plugins/BuildFile.xml
CONFLICT (content): Merge conflict in FWCore/Integration/plugins/BuildFile.xml
Automatic merge failed; fix conflicts and then commit the result.
Unable to merge branch refs/pull/46821/head from repository cms-sw.