Resolving dependencies...
Configuring logfloat-0.8.1...
Failed to install logfloat-0.8.1
Build log ( /home/builder/.cabal/logs/logfloat-0.8.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-6760/logfloat-0.8.1'
cabal: Leaving directory '/tmp/cabal-tmp-6760/logfloat-0.8.1'
cabal: Error: some packages failed to install:
logfloat-0.8.1 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-6760/logfloat-0.8.1/dist/setup/setup.hs:18:22: error:
• Couldn't match type ‘()’ with ‘Maybe LocalBuildInfo’
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})
)