Resolving dependencies...
Configuring mtl-2.2.1...
Configuring text-1.2.2.1...
Building mtl-2.2.1...
Building text-1.2.2.1...
Installed mtl-2.2.1
Configuring logict-0.6.0.2...
Building logict-0.6.0.2...
Installed logict-0.6.0.2
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Installed parsec-3.1.11
Downloading peg-0.2...
Configuring peg-0.2...
Building peg-0.2...
Failed to install peg-0.2
Build log ( /home/builder/.cabal/logs/peg-0.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-22639/peg-0.2'
Configuring peg-0.2...
Building peg-0.2...
Preprocessing executable 'peg' for peg-0.2...
[1 of 1] Compiling Main             ( Peg.hs, dist/build/peg/peg-tmp/Main.o )

Peg.hs:121:1: error:
    • Non type-variable argument
        in the constraint: MonadState PegState m
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        pushStack :: forall (m :: * -> *).
                     MonadState PegState m =>
                     Value -> m ()

Peg.hs:122:1: error:
    • Non type-variable argument
        in the constraint: MonadState PegState m
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        appendStack :: forall (m :: * -> *).
                       MonadState PegState m =>
                       [Value] -> m ()

Peg.hs:135:1: error:
    • Non type-variable argument
        in the constraint: MonadState PegState m
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        pushArg :: forall (m :: * -> *).
                   MonadState PegState m =>
                   Value -> m ()

Peg.hs:221:1: error:
    • Non type-variable argument
        in the constraint: MonadState PegState m
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        bind :: forall (m :: * -> *) t.
                MonadState PegState m =>
                String -> t -> m ()

Peg.hs:227:1: error:
    • Non type-variable argument
        in the constraint: MonadState PegState m
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        unbind :: forall (m :: * -> *).
                  MonadState PegState m =>
                  String -> m ()
cabal: Leaving directory '/tmp/cabal-tmp-22639/peg-0.2'
cabal: Error: some packages failed to install:
peg-0.2 failed during the building phase. The exception was:
ExitFailure 1