Resolving dependencies... Configuring failure-0.1.2... Building failure-0.1.2... Preprocessing library failure-0.1.2... [1 of 1] Compiling Control.Failure ( Control/Failure.hs, dist/build/Control/Failure.o ) Control/Failure.hs:24:1: Warning: Module `Prelude' does not export `catch' In-place registering failure-0.1.2... Running Haddock for failure-0.1.2... Running hscolour for failure-0.1.2... Preprocessing library failure-0.1.2... Preprocessing library failure-0.1.2... dist/build/tmp-29659/Control/Failure.hs:24:1: Warning: Module `Prelude' does not export `catch' Haddock coverage: Warning: Control.Failure: We do not support associated types in instances yet. These instances are affected: Control.Failure.Try Data.Maybe.Maybe, Control.Failure.Try (Data.Either.Either e), Control.Failure.Try [] 50% ( 6 / 12) in 'Control.Failure' Documentation created: dist/doc/html/failure/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/failure-0.1.2 Registering failure-0.1.2... Installed failure-0.1.2 Configuring transformers-0.1.4.0... Building transformers-0.1.4.0... Preprocessing library transformers-0.1.4.0... [ 1 of 17] Compiling Control.Monad.Trans ( Control/Monad/Trans.hs, dist/build/Control/Monad/Trans.o ) [ 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:54:21: Not in scope: `catch' Failed to install transformers-0.1.4.0 cabal: Error: some packages failed to install: control-monad-exception-0.5 depends on transformers-0.1.4.0 which failed to install. control-monad-failure-0.7.0.1 depends on transformers-0.1.4.0 which failed to install. monadloc-0.7.1 depends on transformers-0.1.4.0 which failed to install. monads-fd-0.0.0.1 depends on transformers-0.1.4.0 which failed to install. transformers-0.1.4.0 failed during the building phase. The exception was: ExitFailure 1