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Configuring appar-0.1.4...
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Configuring base64-bytestring-1.0.0.1...
Installed byteable-0.1.1
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Configuring cereal-0.5.4.0...
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Building cereal-0.5.4.0...
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Installed wai-app-file-cgi-3.1.3
Configuring mighttpd2-3.1.1...
Building mighttpd2-3.1.1...
Failed to install mighttpd2-3.1.1
Build log ( /home/builder/.cabal/logs/mighttpd2-3.1.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-26114/mighttpd2-3.1.1'
Configuring mighttpd2-3.1.1...
Building mighttpd2-3.1.1...
Preprocessing library mighttpd2-3.1.1...
[ 1 of 13] Compiling Program.Mighty.Signal ( Program/Mighty/Signal.hs, dist/build/Program/Mighty/Signal.o )
[ 2 of 13] Compiling Program.Mighty.Resource ( Program/Mighty/Resource.hs, dist/build/Program/Mighty/Resource.o )

Program/Mighty/Resource.hs:7:1: warning: [-Wunused-imports]
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()
[ 3 of 13] Compiling Program.Mighty.Process ( Program/Mighty/Process.hs, dist/build/Program/Mighty/Process.o )

Program/Mighty/Process.hs:42:8: error:
    Variable not in scope:
      sourceCmd
        :: [Char]
           -> Conduit
                () (Control.Monad.Trans.Resource.Internal.ResourceT IO) ByteString
cabal: Leaving directory '/tmp/cabal-tmp-26114/mighttpd2-3.1.1'
cabal: Error: some packages failed to install:
mighttpd2-3.1.1 failed during the building phase. The exception was:
ExitFailure 1