Resolving dependencies... Downloading dockerfile-0.1.0.0... Configuring dockerfile-0.1.0.0... Building dockerfile-0.1.0.0... Preprocessing library dockerfile-0.1.0.0... Data/Docker.hs:42:8: Could not find module ‘Control.Monad.Writer’ Perhaps you meant Control.Monad.Fix (from base) Control.Monad.Zip (from base) Use -v to see a list of the files searched for. Failed to install dockerfile-0.1.0.0 cabal: Error: some packages failed to install: dockerfile-0.1.0.0 failed during the building phase. The exception was: ExitFailure 1