Resolving dependencies...
Configuring ghc-gc-tune-0.2.1...
Building ghc-gc-tune-0.2.1...
Failed to install ghc-gc-tune-0.2.1
Build log ( /home/builder/.cabal/logs/ghc-gc-tune-0.2.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-3812/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...
[1 of 1] Compiling Main             ( ghc-gc-tune.hs, dist/build/ghc-gc-tune/ghc-gc-tune-tmp/Main.o )

ghc-gc-tune.hs:40:1: 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-3812/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