Resolving dependencies...
Configuring cmdargs-0.10.14...
Configuring network-2.6.3.1...
Building cmdargs-0.10.14...
Building network-2.6.3.1...
Installed network-2.6.3.1
Installed cmdargs-0.10.14
Downloading throttle-1.0.0...
Configuring throttle-1.0.0...
Building throttle-1.0.0...
Failed to install throttle-1.0.0
Build log ( /home/builder/.cabal/logs/throttle-1.0.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-23348/throttle-1.0.0'
Configuring throttle-1.0.0...
Building throttle-1.0.0...
Preprocessing executable 'throttle' for throttle-1.0.0...
[1 of 1] Compiling Main             ( src/Main.hs, dist/build/throttle/throttle-tmp/Main.o )

src/Main.hs:64:32: error:
    Variable not in scope: catch :: IO b0 -> (t0 -> IO ()) -> IO ()
cabal: Leaving directory '/tmp/cabal-tmp-23348/throttle-1.0.0'
cabal: Error: some packages failed to install:
throttle-1.0.0 failed during the building phase. The exception was:
ExitFailure 1