Resolving dependencies...
Configuring atl-15321.1...
Building atl-15321.1...
Failed to install atl-15321.1
Build log ( /home/builder/.cabal/logs/atl-15321.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-24200/atl-15321.1'
Configuring atl-15321.1...
Building atl-15321.1...
Preprocessing library atl-15321.1...
[ 1 of 10] Compiling Control.Arrow.Writer.Class ( Control/Arrow/Writer/Class.hs, dist/build/Control/Arrow/Writer/Class.o )
[ 2 of 10] Compiling Control.Arrow.Transformer ( Control/Arrow/Transformer.hs, dist/build/Control/Arrow/Transformer.o )
[ 3 of 10] Compiling Control.Arrow.Writer ( Control/Arrow/Writer.hs, dist/build/Control/Arrow/Writer.o )

Control/Arrow/Writer.hs:12:1: error:
    Failed to load interface for ‘Util’
    It is a member of the hidden package ‘ghc-8.0.1.20161018’.
    Perhaps you need to add ‘ghc’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-24200/atl-15321.1'
cabal: Error: some packages failed to install:
atl-15321.1 failed during the building phase. The exception was:
ExitFailure 1