Resolving dependencies... Configuring phantom-state-0.2.0.2... Building phantom-state-0.2.0.2... Preprocessing library phantom-state-0.2.0.2... [1 of 1] Compiling Control.Applicative.PhantomState ( Control/Applicative/PhantomState.hs, dist/build/Control/Applicative/PhantomState.o ) Control/Applicative/PhantomState.hs:13:1: Warning: The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() In-place registering phantom-state-0.2.0.2... Running Haddock for phantom-state-0.2.0.2... Running hscolour for phantom-state-0.2.0.2... Preprocessing library phantom-state-0.2.0.2... Preprocessing library phantom-state-0.2.0.2... Control/Applicative/PhantomState.hs:13:1: Warning: The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() Haddock coverage: 100% ( 8 / 8) in 'Control.Applicative.PhantomState' Documentation created: dist/doc/html/phantom-state/index.html, dist/doc/html/phantom-state/phantom-state.txt Creating package registration file: /tmp/pkgConf-phantom-state-0.2.0278722862233665123.2 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/phantom-state-0.2.0.2-A6xOf1Jr9X49VxnqeEVGml Registering phantom-state-0.2.0.2... Installed phantom-state-0.2.0.2 Configuring binary-list-0.3.4.0... Building binary-list-0.3.4.0... Preprocessing library binary-list-0.3.4.0... [1 of 3] Compiling Data.BinaryList.Internal ( Data/BinaryList/Internal.hs, dist/build/Data/BinaryList/Internal.o ) [2 of 3] Compiling Data.BinaryList ( Data/BinaryList.hs, dist/build/Data/BinaryList.o ) Data/BinaryList.hs:112:25: Ambiguous occurrence ‘length’ It could refer to either ‘Data.BinaryList.length’, defined at Data/BinaryList.hs:108:1 or ‘Data.Foldable.length’, imported from ‘Data.Foldable’ at Data/BinaryList.hs:87:23-35 Data/BinaryList.hs:112:38: Ambiguous occurrence ‘length’ It could refer to either ‘Data.BinaryList.length’, defined at Data/BinaryList.hs:108:1 or ‘Data.Foldable.length’, imported from ‘Data.Foldable’ at Data/BinaryList.hs:87:23-35 Data/BinaryList.hs:440:10: Ambiguous occurrence ‘length’ It could refer to either ‘Data.BinaryList.length’, defined at Data/BinaryList.hs:108:1 or ‘Data.Foldable.length’, imported from ‘Data.Foldable’ at Data/BinaryList.hs:87:23-35 Failed to install binary-list-0.3.4.0 cabal: Error: some packages failed to install: binary-list-0.3.4.0 failed during the building phase. The exception was: ExitFailure 1