Resolving dependencies...
Configuring mtl-2.2.1...
Configuring primitive-0.6.1.0...
Building mtl-2.2.1...
Building primitive-0.6.1.0...
Installed mtl-2.2.1
Configuring random-1.1...
Configuring text-1.2.2.1...
Installed primitive-0.6.1.0
Building random-1.1...
Building text-1.2.2.1...
Configuring utf8-string-1.0.1.1...
Installed random-1.1
Building utf8-string-1.0.1.1...
Installed utf8-string-1.0.1.1
Configuring vector-0.11.0.0...
Building vector-0.11.0.0...
Installed text-1.2.2.1
Configuring hashable-1.2.4.0...
Building hashable-1.2.4.0...
Installed hashable-1.2.4.0
Installed vector-0.11.0.0
Configuring hashtables-1.2.1.0...
Building hashtables-1.2.1.0...
Installed hashtables-1.2.1.0
Configuring gtk2hs-buildtools-0.13.2.1...
Building gtk2hs-buildtools-0.13.2.1...
Installed gtk2hs-buildtools-0.13.2.1
Configuring cairo-0.13.3.1...
Configuring glib-0.13.4.1...
Building glib-0.13.4.1...
Building cairo-0.13.3.1...
Installed cairo-0.13.3.1
Installed glib-0.13.4.1
Configuring pango-0.13.1.1...
Failed to install pango-0.13.1.1
Build log ( /home/builder/.cabal/logs/pango-0.13.1.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-7525/pango-0.13.1.1'
cabal: Leaving directory '/tmp/cabal-tmp-7525/pango-0.13.1.1'
cabal: Error: some packages failed to install:
pango-0.13.1.1 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-7525/pango-0.13.1.1/SetupWrapper.hs:86:16: error:
• Couldn't match expected type ‘IO (PackageIndex.PackageIndex a0)’
with actual type ‘ProgramConfiguration
-> IO PackageIndex.InstalledPackageIndex’
• Probable cause: ‘getInstalledPackages’ is applied to too few arguments
In a stmt of a 'do' block:
index <- getInstalledPackages verbosity usePackageDB conf
In the expression:
do { index <- getInstalledPackages verbosity usePackageDB conf;
let cabalDep
= Dependency
(PackageName "Cabal") (orLaterVersion useCabalVersion);
case PackageIndex.lookupDependency index cabalDep of {
[]
-> die
$ "The package requires Cabal library version "
++
display useCabalVersion ++ " but no suitable version is installed."
pkgs -> return $ bestVersion (map fst pkgs) } }
In an equation for ‘installedCabalVersion’:
installedCabalVersion comp conf
= do { index <- getInstalledPackages verbosity usePackageDB conf;
let cabalDep = ...;
case PackageIndex.lookupDependency index cabalDep of {
[]
-> die
$ "The package requires Cabal library version "
++
display useCabalVersion ++ " but no suitable version is installed."
pkgs -> return $ bestVersion (map fst pkgs) } }
where
bestVersion = maximumBy (comparing preference)
preference version
= (sameVersion, sameMajorVersion, stableVersion, latestVersion)
where
sameVersion = version == cabalVersion
sameMajorVersion
= majorVersion version == majorVersion cabalVersion
....

/tmp/cabal-tmp-7525/pango-0.13.1.1/SetupWrapper.hs:86:47: error:
• Couldn't match expected type ‘Compiler’
with actual type ‘[PackageDB]’
• In the second argument of ‘getInstalledPackages’, namely
‘usePackageDB’
In a stmt of a 'do' block:
index <- getInstalledPackages verbosity usePackageDB conf
In the expression:
do { index <- getInstalledPackages verbosity usePackageDB conf;
let cabalDep
= Dependency
(PackageName "Cabal") (orLaterVersion useCabalVersion);
case PackageIndex.lookupDependency index cabalDep of {
[]
-> die
$ "The package requires Cabal library version "
++
display useCabalVersion ++ " but no suitable version is installed."
pkgs -> return $ bestVersion (map fst pkgs) } }

/tmp/cabal-tmp-7525/pango-0.13.1.1/SetupWrapper.hs:120:54: error:
• Couldn't match type ‘Distribution.Simple.Program.Db.ProgramDb’
with ‘[PackageDB]’
Expected type: PackageDBStack
Actual type: ProgramConfiguration
• In the second argument of ‘cabalLibVersionToUse’, namely ‘conf’
In a stmt of a 'do' block:
cabalLibVersion <- cabalLibVersionToUse comp conf
In the second argument of ‘($)’, namely
‘do { debug verbosity "Setup script is out of date, compiling...";
(comp, _, conf) <- configCompilerEx
(Just GHC) Nothing Nothing defaultProgramConfiguration verbosity;
cabalLibVersion <- cabalLibVersionToUse comp conf;
let cabalPkgid
= PackageIdentifier (PackageName "Cabal") cabalLibVersion;
.... }’
)