Resolving dependencies...
Configuring graphted-0.1.0.0...
Building graphted-0.1.0.0...
Failed to install graphted-0.1.0.0
Build log ( /home/builder/.cabal/logs/graphted-0.1.0.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-26995/graphted-0.1.0.0'
Configuring graphted-0.1.0.0...
Building graphted-0.1.0.0...
Preprocessing library graphted-0.1.0.0...

src/Control/Applicative/Graph.hs:16:14: error:
    Unsupported extension: Polypinds
    Perhaps you meant ‘PolyKinds’
cabal: Leaving directory '/tmp/cabal-tmp-26995/graphted-0.1.0.0'
cabal: Error: some packages failed to install:
graphted-0.1.0.0 failed during the building phase. The exception was:
ExitFailure 1