Resolving dependencies...
Configuring envparse-0.3.3...
Building envparse-0.3.3...
Failed to install envparse-0.3.3
Build log ( /home/builder/.cabal/logs/envparse-0.3.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-18715/envparse-0.3.3'
Configuring envparse-0.3.3...
Building envparse-0.3.3...
Preprocessing library envparse-0.3.3...

src/Env/Generic.hs:94:5: error:
    Expecting a type constructor but found a variable, ‘?’.
    If ‘?’ is a type constructor then enable ExplicitNamespaces and use the 'type' keyword.
cabal: Leaving directory '/tmp/cabal-tmp-18715/envparse-0.3.3'
cabal: Error: some packages failed to install:
envparse-0.3.3 failed during the building phase. The exception was:
ExitFailure 1