Resolving dependencies... Downloading lscabal-0.1.1... Configuring lscabal-0.1.1... Building lscabal-0.1.1... Preprocessing executable 'lscabal' for lscabal-0.1.1... Main.hs:20:18: Could not find module `Control.OldException' Perhaps you meant Control.Exception (from base) Use -v to see a list of the files searched for. Failed to install lscabal-0.1.1 cabal: Error: some packages failed to install: lscabal-0.1.1 failed during the building phase. The exception was: ExitFailure 1