fetching https://github.com/wilzbach/druntime.git pr/724 (attempt: 1/3)
From https://github.com/wilzbach/druntime
 * branch            pr/724     -> FETCH_HEAD

merging FETCH_HEAD
Auto-merging old/src/core/atomic.d
CONFLICT (content): Merge conflict in old/src/core/atomic.d
Automatic merge failed; fix conflicts and then commit the result.