Resolving dependencies...
Configuring transformers-compat-0.5.1.4...
Configuring ansi-terminal-0.6.2.3...
Building ansi-terminal-0.6.2.3...
Building transformers-compat-0.5.1.4...
Installed transformers-compat-0.5.1.4
Installed ansi-terminal-0.6.2.3
Configuring ansi-wl-pprint-0.6.7.3...
Building ansi-wl-pprint-0.6.7.3...
Installed ansi-wl-pprint-0.6.7.3
Configuring optparse-applicative-0.13.0.0...
Building optparse-applicative-0.13.0.0...
Installed optparse-applicative-0.13.0.0
Configuring standalone-haddock-1.0.1...
Building standalone-haddock-1.0.1...
Failed to install standalone-haddock-1.0.1
Build log ( /home/builder/.cabal/logs/standalone-haddock-1.0.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-862/standalone-haddock-1.0.1'
Configuring standalone-haddock-1.0.1...
Building standalone-haddock-1.0.1...
Preprocessing executable 'standalone-haddock' for standalone-haddock-1.0.1...
[1 of 3] Compiling Cabal.Haddock    ( src/Cabal/Haddock.hs, dist/build/standalone-haddock/standalone-haddock-tmp/Cabal/Haddock.o )

src/Cabal/Haddock.hs:58:55: error:
    Module ‘Distribution.Simple.GHC’ does not export ‘ghcLibDir’

src/Cabal/Haddock.hs:78:12: error:
    Module
    ‘Distribution.InstalledPackageInfo’
    does not export
    ‘InstalledPackageInfo_(..)’
cabal: Leaving directory '/tmp/cabal-tmp-862/standalone-haddock-1.0.1'
cabal: Error: some packages failed to install:
standalone-haddock-1.0.1 failed during the building phase. The exception was:
ExitFailure 1