Resolving dependencies...
Configuring typeof-0.1.1...
Building typeof-0.1.1...
Failed to install typeof-0.1.1
Build log ( /home/builder/.cabal/logs/typeof-0.1.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-25651/typeof-0.1.1'
Configuring typeof-0.1.1...
Building typeof-0.1.1...
Preprocessing executable 'typeof' for typeof-0.1.1...
[1 of 2] Compiling Process          ( Process.hs, dist/build/typeof/typeof-tmp/Process.o )

Process.hs:23:23: error:
    • Ambiguous type variable ‘a0’ arising from a use of ‘C.handle’
      prevents the constraint ‘(C.Exception a0)’ from being solved.
      Probable fix: use a type annotation to specify what ‘a0’ should be.
      These potential instances exist:
        instance C.Exception C.NestedAtomically
          -- Defined in ‘Control.Exception.Base’
        instance C.Exception C.NoMethodError
          -- Defined in ‘Control.Exception.Base’
        instance C.Exception C.NonTermination
          -- Defined in ‘Control.Exception.Base’
        ...plus 18 others
        (use -fprint-potential-instances to see them all)
    • In the expression: C.handle (\ e -> return (show e))
      In the expression:
        C.handle (\ e -> return (show e))
        $ do { (inp, out, err, pid) <- runInteractiveProcess
                                         file args Nothing Nothing;
               hPutStr inp input >> hClose inp;
               output <- hGetContents out;
               errput <- hGetContents err;
               .... }
      In an equation for ‘run’:
          run file args input
            = C.handle (\ e -> return (show e))
              $ do { (inp, out, err, pid) <- runInteractiveProcess
                                               file args Nothing Nothing;
                     hPutStr inp input >> hClose inp;
                     output <- hGetContents out;
                     .... }

Process.hs:23:47: error:
    • Ambiguous type variable ‘a0’ arising from a use of ‘show’
      prevents the constraint ‘(Show a0)’ from being solved.
      Relevant bindings include e :: a0 (bound at Process.hs:23:34)
      Probable fix: use a type annotation to specify what ‘a0’ should be.
      These potential instances exist:
        instance Show C.NestedAtomically
          -- Defined in ‘Control.Exception.Base’
        instance Show C.NoMethodError
          -- Defined in ‘Control.Exception.Base’
        instance Show C.NonTermination
          -- Defined in ‘Control.Exception.Base’
        ...plus 49 others
        ...plus 11 instances involving out-of-scope types
        (use -fprint-potential-instances to see them all)
    • In the first argument of ‘return’, namely ‘(show e)’
      In the expression: return (show e)
      In the first argument of ‘C.handle’, namely
        ‘(\ e -> return (show e))’

Process.hs:40:10: error:
    • Ambiguous type variable ‘e0’ arising from a use of ‘C.catch’
      prevents the constraint ‘(C.Exception e0)’ from being solved.
      Probable fix: use a type annotation to specify what ‘e0’ should be.
      These potential instances exist:
        instance C.Exception C.NestedAtomically
          -- Defined in ‘Control.Exception.Base’
        instance C.Exception C.NoMethodError
          -- Defined in ‘Control.Exception.Base’
        instance C.Exception C.NonTermination
          -- Defined in ‘Control.Exception.Base’
        ...plus 18 others
        (use -fprint-potential-instances to see them all)
    • In a stmt of a 'do' block:
        e <- C.catch (waitForProcess pid) (\ _ -> return ExitSuccess)
      In the second argument of ‘($)’, namely
        ‘do { (inp, out, err, pid) <- runInteractiveProcess
                                        file args Nothing Nothing;
              hPutStr inp input >> hClose inp;
              output <- hGetContents out;
              errput <- hGetContents err;
              .... }’
      In the expression:
        C.handle (\ e -> return (show e))
        $ do { (inp, out, err, pid) <- runInteractiveProcess
                                         file args Nothing Nothing;
               hPutStr inp input >> hClose inp;
               output <- hGetContents out;
               errput <- hGetContents err;
               .... }
cabal: Leaving directory '/tmp/cabal-tmp-25651/typeof-0.1.1'
cabal: Error: some packages failed to install:
typeof-0.1.1 failed during the building phase. The exception was:
ExitFailure 1