Resolving dependencies...
Configuring capped-list-1.0...
Building capped-list-1.0...
Preprocessing library capped-list-1.0...

Data/CappedList.hs:37:8:
    Could not find module ‘Data.Empty’
    Use -v to see a list of the files searched for.
Failed to install capped-list-1.0
cabal: Error: some packages failed to install:
capped-list-1.0 failed during the building phase. The exception was:
ExitFailure 1