Resolving dependencies... Configuring monad-loops-0.4.3... Configuring mtl-2.2.1... Building monad-loops-0.4.3... Building mtl-2.2.1... Installed monad-loops-0.4.3 Configuring random-1.1... Building random-1.1... Configuring primitive-0.6.2.0... Installed mtl-2.2.1 Building primitive-0.6.2.0... Configuring stm-2.4.4.1... Installed random-1.1 Building stm-2.4.4.1... Configuring syb-0.6... Installed stm-2.4.4.1 Building syb-0.6... Configuring unsafe-0.0... Installed primitive-0.6.2.0 Building unsafe-0.0... Configuring utility-ht-0.0.12... Installed syb-0.6 Installed unsafe-0.0 Configuring mersenne-random-pure64-0.2.2.0... Building utility-ht-0.0.12... Building mersenne-random-pure64-0.2.2.0... Configuring stateref-0.3... Installed mersenne-random-pure64-0.2.2.0 Building stateref-0.3... Configuring tf-random-0.5... Installed utility-ht-0.0.12 Building tf-random-0.5... Installed stateref-0.3 Installed tf-random-0.5 Configuring QuickCheck-2.9.2... Building QuickCheck-2.9.2... Installed QuickCheck-2.9.2 Configuring non-negative-0.1.1... Building non-negative-0.1.1... Installed non-negative-0.1.1 Configuring storablevector-0.2.11... Building storablevector-0.2.11... Installed storablevector-0.2.11 Configuring random-fu-0.0.2.0... Building random-fu-0.0.2.0... Failed to install random-fu-0.0.2.0 Build log ( /home/builder/.cabal/logs/random-fu-0.0.2.0.log ): cabal: Entering directory '/tmp/cabal-tmp-2068/random-fu-0.0.2.0' Configuring random-fu-0.0.2.0... Building random-fu-0.0.2.0... Preprocessing library random-fu-0.0.2.0... [ 1 of 26] Compiling Data.Random.Lift ( src/Data/Random/Lift.hs, dist/build/Data/Random/Lift.o ) [ 2 of 26] Compiling Data.Random.Internal.Words ( src/Data/Random/Internal/Words.hs, dist/build/Data/Random/Internal/Words.o ) src/Data/Random/Internal/Words.hs:9:1: error: Failed to load interface for ‘GHC.IOBase’ Perhaps you meant GHC.Base (from base-4.9.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-2068/random-fu-0.0.2.0' cabal: Error: some packages failed to install: random-fu-0.0.2.0 failed during the building phase. The exception was: ExitFailure 1