Resolving dependencies... Configuring ghc-paths-0.1.0.9... Configuring mtl-2.2.1... Building mtl-2.2.1... Building ghc-paths-0.1.0.9... Installed mtl-2.2.1 Configuring random-1.1... Configuring stm-2.4.4.1... Installed ghc-paths-0.1.0.9 Building random-1.1... Building stm-2.4.4.1... Configuring syb-0.6... Installed stm-2.4.4.1 Configuring transformers-compat-0.5.1.4... Installed random-1.1 Building syb-0.6... Building transformers-compat-0.5.1.4... Installed transformers-compat-0.5.1.4 Configuring exceptions-0.8.3... Building exceptions-0.8.3... Installed syb-0.6 Configuring haskell-src-1.0.2.0... Building haskell-src-1.0.2.0... Installed exceptions-0.8.3 Configuring hint-0.6.0... Building hint-0.6.0... Installed hint-0.6.0 Installed haskell-src-1.0.2.0 Configuring interleavableGen-0.0.1... Building interleavableGen-0.0.1... Failed to install interleavableGen-0.0.1 Build log ( /home/builder/.cabal/logs/interleavableGen-0.0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-6773/interleavableGen-0.0.1' Configuring interleavableGen-0.0.1... Building interleavableGen-0.0.1... Preprocessing executable 'interleavableGen' for interleavableGen-0.0.1... [1 of 1] Compiling Main ( Main.hs, dist/build/interleavableGen/interleavableGen-tmp/Main.o ) Main.hs:11:1: error: Failed to load interface for ‘Language.Haskell.Interpreter.GHC’ Perhaps you meant Language.Haskell.Interpreter (from hint-0.6.0) Language.Haskell.Interpreter.Unsafe (from hint-0.6.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-6773/interleavableGen-0.0.1' cabal: Error: some packages failed to install: interleavableGen-0.0.1 failed during the building phase. The exception was: ExitFailure 1