Resolving dependencies...
Configuring strict-0.3.2...
Building strict-0.3.2...
Installed strict-0.3.2
Configuring yeganesh-2.1...
Building yeganesh-2.1...
Failed to install yeganesh-2.1
Build log ( /home/builder/.cabal/logs/yeganesh-2.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-17247/yeganesh-2.1'
Configuring yeganesh-2.1...
Building yeganesh-2.1...
Preprocessing executable 'yeganesh' for yeganesh-2.1...
[1 of 2] Compiling Version          ( Version.hs, dist/build/yeganesh/yeganesh-tmp/Version.o )
[2 of 2] Compiling Main             ( yeganesh.hs, dist/build/yeganesh/yeganesh-tmp/Main.o )

yeganesh.hs:65:32: error:
    Variable not in scope:
      catch :: IO String -> (b0 -> m0 [Char]) -> IO String
cabal: Leaving directory '/tmp/cabal-tmp-17247/yeganesh-2.1'
cabal: Error: some packages failed to install:
yeganesh-2.1 failed during the building phase. The exception was:
ExitFailure 1