Resolving dependencies...
Downloading ghc-gc-tune-0.2.1...
Configuring ghc-gc-tune-0.2.1...
Building ghc-gc-tune-0.2.1...
Preprocessing executable 'ghc-gc-tune' for ghc-gc-tune-0.2.1...

ghc-gc-tune.hs:40:18:
    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 ghc-gc-tune-0.2.1
cabal: Error: some packages failed to install:
ghc-gc-tune-0.2.1 failed during the building phase. The exception was:
ExitFailure 1