Resolving dependencies...
Downloading cabalvchk-0.2...
Configuring cabalvchk-0.2...
Building cabalvchk-0.2...
Failed to install cabalvchk-0.2
Build log ( /home/builder/.cabal/logs/cabalvchk-0.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-2910/cabalvchk-0.2'
Configuring cabalvchk-0.2...
Building cabalvchk-0.2...
Preprocessing executable 'cabalvchk' for cabalvchk-0.2...
[1 of 1] Compiling Main             ( ghcpkgchk.hs, dist/build/cabalvchk/cabalvchk-tmp/Main.o )

ghcpkgchk.hs:46:13: error:
    • Couldn't match expected type ‘IO
                                      (Distribution.Simple.PackageIndex.PackageIndex a0)’
                  with actual type ‘Distribution.Simple.Program.ProgramConfiguration
                                    -> IO Distribution.Simple.PackageIndex.InstalledPackageIndex’
    • Probable cause: ‘getInstalledPackages’ is applied to too few arguments
      In a stmt of a 'do' block:
        pkgIdx <- getInstalledPackages
                    normal [GlobalPackageDB, UserPackageDB] pconfig
      In the expression:
        do { pconfig <- configureAllKnownPrograms
                          normal defaultProgramConfiguration;
             pkgIdx <- getInstalledPackages
                         normal [GlobalPackageDB, UserPackageDB] pconfig;
             pkgInf <- return . lookupPackageName pkgIdx $ PackageName p;
             return . map fst $ pkgInf }
      In an equation for ‘getInstalledPkgVersion’:
          getInstalledPkgVersion p
            = do { pconfig <- configureAllKnownPrograms
                                normal defaultProgramConfiguration;
                   pkgIdx <- getInstalledPackages
                               normal [GlobalPackageDB, ....] pconfig;
                   pkgInf <- return . lookupPackageName pkgIdx $ PackageName p;
                   .... }

ghcpkgchk.hs:46:41: error:
    • Couldn't match expected type ‘Distribution.Simple.Compiler.Compiler’
                  with actual type ‘[PackageDB]’
    • In the second argument of ‘getInstalledPackages’, namely
        ‘[GlobalPackageDB, UserPackageDB]’
      In a stmt of a 'do' block:
        pkgIdx <- getInstalledPackages
                    normal [GlobalPackageDB, UserPackageDB] pconfig
      In the expression:
        do { pconfig <- configureAllKnownPrograms
                          normal defaultProgramConfiguration;
             pkgIdx <- getInstalledPackages
                         normal [GlobalPackageDB, UserPackageDB] pconfig;
             pkgInf <- return . lookupPackageName pkgIdx $ PackageName p;
             return . map fst $ pkgInf }

ghcpkgchk.hs:46:74: error:
    • Couldn't match type ‘Distribution.Simple.Program.Db.ProgramDb’
                     with ‘[PackageDB]’
      Expected type: Distribution.Simple.Compiler.PackageDBStack
        Actual type: Distribution.Simple.Program.Db.ProgramDb
    • In the third argument of ‘getInstalledPackages’, namely ‘pconfig’
      In a stmt of a 'do' block:
        pkgIdx <- getInstalledPackages
                    normal [GlobalPackageDB, UserPackageDB] pconfig
      In the expression:
        do { pconfig <- configureAllKnownPrograms
                          normal defaultProgramConfiguration;
             pkgIdx <- getInstalledPackages
                         normal [GlobalPackageDB, UserPackageDB] pconfig;
             pkgInf <- return . lookupPackageName pkgIdx $ PackageName p;
             return . map fst $ pkgInf }
cabal: Leaving directory '/tmp/cabal-tmp-2910/cabalvchk-0.2'
cabal: Error: some packages failed to install:
cabalvchk-0.2 failed during the building phase. The exception was:
ExitFailure 1