gistfile1.txt

$ cabal install cabal-helper-0.3.6.0
Resolving dependencies...
Notice: installing into a sandbox located at
/private/tmp/ghc-mod/.cabal-sandbox
Configuring lifted-base-0.2.3.6...
Building lifted-base-0.2.3.6...
Installed lifted-base-0.2.3.6
Configuring io-choice-0.0.5...
Building io-choice-0.0.5...
Installed io-choice-0.0.5
Configuring ghc-mod-5.2.1.2...
Building ghc-mod-5.2.1.2...
Failed to install ghc-mod-5.2.1.2
Build log ( /private/tmp/ghc-mod/.cabal-sandbox/logs/ghc-mod-5.2.1.2.log ):
Configuring ghc-mod-5.2.1.2...
Building ghc-mod-5.2.1.2...
Preprocessing library ghc-mod-5.2.1.2...

Language/Haskell/GhcMod/Convert.hs:1:51: Warning:
    -XOverlappingInstances is deprecated: instead use per-instance pragmas OVERLAPPING/OVERLAPPABLE/OVERLAPS
[ 1 of 38] Compiling Language.Haskell.GhcMod.Read ( Language/Haskell/GhcMod/Read.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Read.o )
[ 2 of 38] Compiling Language.Haskell.GhcMod.Cabal21 ( Language/Haskell/GhcMod/Cabal21.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Cabal21.o )
[ 3 of 38] Compiling Language.Haskell.GhcMod.Cabal18 ( Language/Haskell/GhcMod/Cabal18.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Cabal18.o )
[ 4 of 38] Compiling Language.Haskell.GhcMod.Cabal16 ( Language/Haskell/GhcMod/Cabal16.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Cabal16.o )
[ 5 of 38] Compiling Language.Haskell.GhcMod.GHCChoice ( Language/Haskell/GhcMod/GHCChoice.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/GHCChoice.o )
[ 6 of 38] Compiling Language.Haskell.GhcMod.Error ( Language/Haskell/GhcMod/Error.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Error.o )

Language/Haskell/GhcMod/Error.hs:12:1: Warning:
    Module ‘Control.Monad.Error’ is deprecated:
      Use Control.Monad.Except instead

Language/Haskell/GhcMod/Error.hs:40:10: Warning:
    In the use of type constructor or class ‘Error’
    (imported from Control.Monad.Error, but defined in Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"

Language/Haskell/GhcMod/Error.hs:40:10: Warning:
    In the use of type constructor or class ‘Error’
    (imported from Control.Monad.Error, but defined in Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"
[ 7 of 38] Compiling Language.Haskell.GhcMod.Utils ( Language/Haskell/GhcMod/Utils.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Utils.o )

Language/Haskell/GhcMod/Utils.hs:15:1: Warning:
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()

Language/Haskell/GhcMod/Utils.hs:45:51: Warning:
    In the use of ‘strMsg’
    (imported from Language.Haskell.GhcMod.Error, but defined in Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"
[ 8 of 38] Compiling Language.Haskell.GhcMod.Types ( Language/Haskell/GhcMod/Types.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Types.o )
[ 9 of 38] Compiling Language.Haskell.GhcMod.Gap ( Language/Haskell/GhcMod/Gap.hs, dist/dist-sandbox-2c8d5684/build/Language/Haskell/GhcMod/Gap.o )

Language/Haskell/GhcMod/Gap.hs:256:18:
    Not in scope: data constructor ‘ExposePackageId’
    Perhaps you meant ‘ExposePackage’ (imported from DynFlags)
cabal: Error: some packages failed to install:
ghc-mod-5.2.1.2 failed during the building phase. The exception was:
ExitFailure 1