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Configuring prelude-extras-0.4.0.3...
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Configuring text-1.2.2.1...
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Configuring pipes-cacophony-0.3.0...
Building pipes-cacophony-0.3.0...
Failed to install pipes-cacophony-0.3.0
Build log ( /home/builder/.cabal/logs/pipes-cacophony-0.3.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-16251/pipes-cacophony-0.3.0'
Configuring pipes-cacophony-0.3.0...
Building pipes-cacophony-0.3.0...
Preprocessing library pipes-cacophony-0.3.0...
[1 of 1] Compiling Pipes.Noise      ( src/Pipes/Noise.hs, dist/build/Pipes/Noise.o )

src/Pipes/Noise.hs:49:8: error:
    • Couldn't match type ‘NoiseException’
                     with ‘GHC.Exception.SomeException’
        arising from a use of ‘readMessage’
    • In the expression: readMessage ns msg
      In a stmt of a 'do' block:
        case readMessage ns msg of {
          Left e -> return . Left $ e
          Right (pt, ns')
            -> do { liftIO . putMVar nsmv $ ns';
                    yield pt;
                    .... } }
      In the expression:
        do { msg <- await;
             ns <- liftIO . takeMVar $ nsmv;
             case readMessage ns msg of {
               Left e -> return . Left $ e
               Right (pt, ns') -> do { ... } } }

src/Pipes/Noise.hs:63:8: error:
    • Couldn't match type ‘NoiseException’
                     with ‘GHC.Exception.SomeException’
        arising from a use of ‘writeMessage’
    • In the expression: writeMessage ns msg
      In a stmt of a 'do' block:
        case writeMessage ns msg of {
          Left e -> return . Left $ e
          Right (ct, ns')
            -> do { liftIO . putMVar nsmv $ ns';
                    yield ct;
                    .... } }
      In the expression:
        do { msg <- await;
             ns <- liftIO . takeMVar $ nsmv;
             case writeMessage ns msg of {
               Left e -> return . Left $ e
               Right (ct, ns') -> do { ... } } }
cabal: Leaving directory '/tmp/cabal-tmp-16251/pipes-cacophony-0.3.0'
cabal: Error: some packages failed to install:
pipes-cacophony-0.3.0 failed during the building phase. The exception was:
ExitFailure 1