Resolving dependencies... Configuring type-int-0.5... Building type-int-0.5... Failed to install type-int-0.5 Build log ( /home/builder/.cabal/logs/type-int-0.5.log ): cabal: Entering directory '/tmp/cabal-tmp-26542/type-int-0.5' Configuring type-int-0.5... Building type-int-0.5... Preprocessing library type-int-0.5... [1 of 9] Compiling Data.Type.Boolean ( Data/Type/Boolean.hs, dist/build/Data/Type/Boolean.o ) [2 of 9] Compiling Data.Type.Hex.Stage1 ( Data/Type/Hex/Stage1.hs, dist/build/Data/Type/Hex/Stage1.o ) Data/Type/Hex/Stage1.hs:22:1: error: Failed to load interface for ‘Data.Type.Sign’ Perhaps you meant Data.Type.Bool (from base-4.9.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-26542/type-int-0.5' cabal: Error: some packages failed to install: type-int-0.5 failed during the building phase. The exception was: ExitFailure 1