Resolving dependencies... Configuring ghc-paths-0.1.0.9... Configuring monad-loops-0.4.3... Building monad-loops-0.4.3... Installed monad-loops-0.4.3 Configuring random-1.1... Building random-1.1... Building ghc-paths-0.1.0.9... Configuring stm-2.4.4.1... Installed ghc-paths-0.1.0.9 Building stm-2.4.4.1... Configuring mtl-2.2.1... Installed random-1.1 Building mtl-2.2.1... Configuring transformers-compat-0.5.1.4... Installed stm-2.4.4.1 Building transformers-compat-0.5.1.4... Installed transformers-compat-0.5.1.4 Installed mtl-2.2.1 Configuring exceptions-0.8.3... Building exceptions-0.8.3... Installed exceptions-0.8.3 Configuring eprocess-1.7.2... Configuring hint-0.6.0... Building eprocess-1.7.2... Building hint-0.6.0... Installed eprocess-1.7.2 Installed hint-0.6.0 Configuring hint-server-1.4.3... Building hint-server-1.4.3... Failed to install hint-server-1.4.3 Build log ( /home/builder/.cabal/logs/hint-server-1.4.3.log ): cabal: Entering directory '/tmp/cabal-tmp-11410/hint-server-1.4.3' Configuring hint-server-1.4.3... Building hint-server-1.4.3... Preprocessing library hint-server-1.4.3... [1 of 1] Compiling Language.Haskell.Interpreter.Server ( src/Language/Haskell/Interpreter/Server.hs, dist/build/Language/Haskell/Interpreter/Server.o ) src/Language/Haskell/Interpreter/Server.hs:30:14: error: • Couldn't match expected type ‘forall (n :: * -> *). (MonadIO n, Control.Monad.Catch.MonadMask n) => hint-0.6.0:Control.Monad.Ghc.GhcT n a’ with actual type ‘hint-0.6.0:Control.Monad.Ghc.GhcT n0 a’ • In the expression: lift . runGhc In an equation for ‘runGhc’: runGhc = lift . runGhc In the instance declaration for ‘MonadInterpreter (ReceiverT r m)’ • Relevant bindings include runGhc :: hint-0.6.0:Hint.Base.RunGhc (ReceiverT r m) a (bound at src/Language/Haskell/Interpreter/Server.hs:30:5) cabal: Leaving directory '/tmp/cabal-tmp-11410/hint-server-1.4.3' cabal: Error: some packages failed to install: hint-server-1.4.3 failed during the building phase. The exception was: ExitFailure 1