Resolving dependencies...
Downloading hinstaller-2007.4.21...
Configuring hinstaller-2007.4.21...
Building hinstaller-2007.4.21...
Failed to install hinstaller-2007.4.21
Build log ( /home/builder/.cabal/logs/hinstaller-2007.4.21.log ):
cabal: Entering directory '/tmp/cabal-tmp-2851/hinstaller-2007.4.21'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-2851/hinstaller-2007.4.21/dist/setup/setup.hs, /tmp/cabal-tmp-2851/hinstaller-2007.4.21/dist/setup/Main.o )
Linking /tmp/cabal-tmp-2851/hinstaller-2007.4.21/dist/setup/setup ...
Configuring hinstaller-2007.4.21...
Warning: No 'build-type' specified. If you do not need a custom Setup.hs or
./configure script then use 'build-type: Simple'.
Building hinstaller-2007.4.21...
Preprocessing library hinstaller-2007.4.21...
[1 of 2] Compiling System.Installer.TH ( src/System/Installer/TH.hs, dist/build/System/Installer/TH.o )

src/System/Installer/TH.hs:30:1: error:
    Failed to load interface for ‘System.Directory’
    It is a member of the hidden package ‘directory-1.2.6.2’.
    Perhaps you need to add ‘directory’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-2851/hinstaller-2007.4.21'
cabal: Error: some packages failed to install:
hinstaller-2007.4.21 failed during the building phase. The exception was:
ExitFailure 1