Resolving dependencies...
Downloading WebBits-0.9.1...
[1 of 1] Compiling Main             ( /tmp/WebBits-0.9.1-29073/WebBits-0.9.1/Setup.lhs, /tmp/WebBits-0.9.1-29073/WebBits-0.9.1/dist/setup/Main.o )

/tmp/WebBits-0.9.1-29073/WebBits-0.9.1/Setup.lhs:30:50: Warning:
    In the use of `runTests'
    (imported from Distribution.Simple, but defined in Distribution.Simple.UserHooks):
    Deprecated: "Please use the new testing interface instead!"
Linking /tmp/WebBits-0.9.1-29073/WebBits-0.9.1/dist/setup/setup ...
Configuring WebBits-0.9.1...
setup: The package WebBits-0.9.1 requires the following language extensions
which are not supported by ghc-7.6.3: Generics
Failed to install WebBits-0.9.1
cabal: Error: some packages failed to install:
WebBits-0.9.1 failed during the configure step. The exception was:
ExitFailure 1