*** setup configure

Configuring transformers-0.1.4.0...
Flags chosen: applicativeinbase=True
Dependency base >=2: using base-4.3.0.0
Using Cabal-1.10.0.0 compiled by ghc-7.0
Using compiler: ghc-7.0.1
Using install prefix: /usr/local/tmp/archive/install
Binaries installed in: /usr/local/tmp/archive/install/bin
Libraries installed in:
/usr/local/tmp/archive/install/lib/transformers-0.1.4.0/ghc-7.0.1
Private binaries installed in: /usr/local/tmp/archive/install/libexec
Data files installed in:
/usr/local/tmp/archive/install/share/transformers-0.1.4.0
Documentation installed in:
/usr/local/tmp/archive/install/share/doc/transformers-0.1.4.0
Using alex version 2.3.3 found on system at: /usr/bin/alex
Using ar found on system at: /usr/bin/ar
Using c2hs version 0.16.0 found on system at: /usr/local/bin/c2hs
Using cpphs version 1.11 found on system at: /usr/local/bin/cpphs
Using ffihugs found on system at: /usr/local/bin/ffihugs
Using gcc version 4.4.5 found on system at: /usr/bin/gcc
Using ghc version 7.0.1 found on system at: /usr/local/bin/ghc
Using ghc-pkg version 7.0.1 found on system at: /usr/local/bin/ghc-pkg
No greencard found
Using haddock version 2.8.0 found on system at: /usr/local/bin/haddock
Using happy version 1.18.6 found on system at: /usr/local/bin/happy
No hmake found
Using hsc2hs version 0.67 found on system at: /usr/local/bin/hsc2hs
Using hscolour version 1.17 found on system at: /usr/local/bin/HsColour
Using hugs found on system at: /usr/local/bin/hugs
No jhc found
Using ld found on system at: /usr/bin/ld
No lhc found
No lhc-pkg found
No nhc98 found
Using pkg-config version 0.25 found on system at: /usr/bin/pkg-config
Using ranlib found on system at: /usr/bin/ranlib
Using strip found on system at: /usr/bin/strip
Using tar found on system at: /bin/tar
No uhc found

*** setup build

Creating dist/build (and its parents)
Creating dist/build/autogen (and its parents)
Preprocessing library transformers-0.1.4.0...
Building transformers-0.1.4.0...
Building library...
Creating dist/build (and its parents)
/usr/local/bin/ghc --make -package-name transformers-0.1.4.0 -hide-all-packages -fbuilding-cabal-package -i -idist/build -i. -idist/build/autogen -Idist/build/autogen -Idist/build -optP-include -optPdist/build/autogen/cabal_macros.h -odir dist/build -hidir dist/build -stubdir dist/build -package-id base-4.3.0.0-b91367e4fa5bd47d8e75958171ad21b7 -O -XHaskell98 -XCPP Control.Monad.Identity Control.Monad.Trans Control.Monad.Trans.Cont Control.Monad.Trans.Error Control.Monad.Trans.Identity Control.Monad.Trans.List Control.Monad.Trans.Maybe Control.Monad.Trans.Reader Control.Monad.Trans.RWS Control.Monad.Trans.RWS.Lazy Control.Monad.Trans.RWS.Strict Control.Monad.Trans.State Control.Monad.Trans.State.Lazy Control.Monad.Trans.State.Strict Control.Monad.Trans.Writer Control.Monad.Trans.Writer.Lazy Control.Monad.Trans.Writer.Strict
[ 2 of 17] Compiling Control.Monad.Trans.Error ( Control/Monad/Trans/Error.hs, dist/build/Control/Monad/Trans/Error.o )

Control/Monad/Trans/Error.hs:86:10:
    Duplicate instance declarations:
      instance Applicative (Either e)
        -- Defined at Control/Monad/Trans/Error.hs:86:10-31
      instance Applicative (Either e) -- Defined in Control.Applicative

Control/Monad/Trans/Error.hs:96:10:
    Duplicate instance declarations:
      instance Error e => Monad (Either e)
        -- Defined at Control/Monad/Trans/Error.hs:96:10-38
      instance Monad (Either e) -- Defined in Control.Monad.Instances

Control/Monad/Trans/Error.hs:107:10:
    Duplicate instance declarations:
      instance Error e => MonadFix (Either e)
        -- Defined at Control/Monad/Trans/Error.hs:107:10-41
      instance MonadFix (Either e) -- Defined in Control.Monad.Fix