Resolving dependencies...
Downloading hybrid-2.0...
Configuring hybrid-2.0...
Building hybrid-2.0...
Preprocessing executable 'hybrid' for hybrid-2.0...

Main.hs:1:1:
    Ambiguous module name `Prelude':
      it was found in multiple packages: base haskell98-2.0.0.2
Failed to install hybrid-2.0
cabal: Error: some packages failed to install:
hybrid-2.0 failed during the building phase. The exception was:
ExitFailure 1