Resolving dependencies...
Configuring TypeCompose-0.6.6...
Building TypeCompose-0.6.6...
Failed to install TypeCompose-0.6.6
Build log ( /home/builder/.cabal/logs/TypeCompose-0.6.6.log ):
cabal: Entering directory '/tmp/cabal-tmp-30651/TypeCompose-0.6.6'
Configuring TypeCompose-0.6.6...
Building TypeCompose-0.6.6...
Preprocessing library TypeCompose-0.6.6...
cabal: can't find source for Data/Pair in src, dist/build/autogen
cabal: Leaving directory '/tmp/cabal-tmp-30651/TypeCompose-0.6.6'
cabal: Error: some packages failed to install:
TypeCompose-0.6.6 failed during the building phase. The exception was:
ExitFailure 1