[[!comment format=mdwn
 username="joey"
 subject="""comment 1"""
 date="2017-07-28T13:05:38Z"
 content="""
I don't see any git-annex failure to build here. Cabal is failing to
install sandi, a dependency. That package needs to have its dependency on
base updated to allow building with the new ghc. Quite likely simply
adjusting the dependency version will work.
"""]]