Resolving dependencies... Configuring lscabal-0.1... Building lscabal-0.1... Failed to install lscabal-0.1 Build log ( /home/builder/.cabal/logs/lscabal-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-12932/lscabal-0.1' Configuring lscabal-0.1... Building lscabal-0.1... Preprocessing executable 'lscabal' for lscabal-0.1... [1 of 1] Compiling Main ( Main.hs, dist/build/lscabal/lscabal-tmp/Main.o ) Main.hs:31:1: error: Failed to load interface for ‘Control.OldException’ Perhaps you meant Control.Exception (from base-4.9.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-12932/lscabal-0.1' cabal: Error: some packages failed to install: lscabal-0.1 failed during the building phase. The exception was: ExitFailure 1