fetching https://github.com/vporton/phobos.git utf-on-ubyte (attempt: 1/3)
From https://github.com/vporton/phobos
 * branch                utf-on-ubyte -> FETCH_HEAD

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