Resolving dependencies...
Downloading logfloat-0.8.1...
[1 of 1] Compiling Main             ( /tmp/logfloat-0.8.1-28649/logfloat-0.8.1/Setup.hs, /tmp/logfloat-0.8.1-28649/logfloat-0.8.1/dist/setup/Main.o )

/tmp/logfloat-0.8.1-28649/logfloat-0.8.1/Setup.hs:18:22:
    Couldn't match type `Maybe LocalBuildInfo' with `()'
    Expected type: Args
                   -> CleanFlags -> PackageDescription -> () -> IO ()
      Actual type: Args
                   -> CleanFlags
                   -> PackageDescription
                   -> Maybe LocalBuildInfo
                   -> IO ()
    In the `postClean' field of a record
    In the first argument of `defaultMainWithHooks', namely
      `defaultUserHooks
         {preHaddock = preHaddockScript, postClean = postCleanScript}'
    In the expression:
      defaultMainWithHooks
        (defaultUserHooks
           {preHaddock = preHaddockScript, postClean = postCleanScript})
Failed to install logfloat-0.8.1
cabal: Error: some packages failed to install:
logfloat-0.8.1 failed during the configure step. The exception was:
ExitFailure 1