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...
Configuring zlib-0.6.1.2...
Installed utf8-string-1.0.1.1
Building zlib-0.6.1.2...
Configuring vector-0.11.0.0...
Installed zlib-0.6.1.2
Building vector-0.11.0.0...
Installed text-1.2.2.1
Configuring hashable-1.2.5.0...
Building hashable-1.2.5.0...
Installed hashable-1.2.5.0
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 glib-0.13.4.1...
Configuring cairo-0.13.3.1...
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-0.13.3.1...
Configuring gio-0.13.3.1...
Building gio-0.13.3.1...
Building pango-0.13.3.1...
Installed pango-0.13.3.1
Installed gio-0.13.3.1
Configuring gtk-0.14.6...
Building gtk-0.14.6...
Installed gtk-0.14.6
Configuring LambdaHack-0.1.20080412...
Building LambdaHack-0.1.20080412...
Failed to install LambdaHack-0.1.20080412
Build log ( /home/builder/.cabal/logs/LambdaHack-0.1.20080412.log ):
cabal: Entering directory '/tmp/cabal-tmp-10510/LambdaHack-0.1.20080412'
Configuring LambdaHack-0.1.20080412...
Building LambdaHack-0.1.20080412...
Preprocessing executable 'LambdaHack' for LambdaHack-0.1.20080412...
[1 of 1] Compiling Main             ( LambdaHack.hs, dist/build/LambdaHack/LambdaHack-tmp/Main.o )

LambdaHack.hs:6:1: error:
    Failed to load interface for ‘State’
    It is a member of the hidden package ‘ghc-8.0.1.20161018’.
    Perhaps you need to add ‘ghc’ to the build-depends in your .cabal file.
    it is a hidden module in the package ‘gtk2hs-buildtools-0.13.2.1’
    Use -v to see a list of the files searched for.

LambdaHack.hs:7:1: error:
    Failed to load interface for ‘Geometry’
    Use -v to see a list of the files searched for.

LambdaHack.hs:8:1: error:
    Failed to load interface for ‘Level’
    Use -v to see a list of the files searched for.

LambdaHack.hs:9:1: error:
    Failed to load interface for ‘Dungeon’
    Use -v to see a list of the files searched for.

LambdaHack.hs:10:1: error:
    Failed to load interface for ‘Perception’
    Perhaps you meant
      Exception (needs flag -package-key ghc-8.0.1.20161018)
    Use -v to see a list of the files searched for.

LambdaHack.hs:11:1: error:
    Failed to load interface for ‘Display2’
    Use -v to see a list of the files searched for.

LambdaHack.hs:12:1: error:
    Failed to load interface for ‘Random’
    Use -v to see a list of the files searched for.

LambdaHack.hs:13:1: error:
    Failed to load interface for ‘Save’
    Use -v to see a list of the files searched for.

LambdaHack.hs:14:1: error:
    Failed to load interface for ‘Turn’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-10510/LambdaHack-0.1.20080412'
cabal: Error: some packages failed to install:
LambdaHack-0.1.20080412 failed during the building phase. The exception was:
ExitFailure 1