Resolving dependencies...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Installed mtl-2.2.1
Configuring BNFC-2.8.1...
Building BNFC-2.8.1...
Installed BNFC-2.8.1
Downloading cubical-0.1.1...
Configuring cubical-0.1.1...
Building cubical-0.1.1...
Failed to install cubical-0.1.1
Build log ( /home/builder/.cabal/logs/cubical-0.1.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-27154/cubical-0.1.1'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-27154/cubical-0.1.1/dist/setup/setup.hs, /tmp/cabal-tmp-27154/cubical-0.1.1/dist/setup/Main.o )
Linking /tmp/cabal-tmp-27154/cubical-0.1.1/dist/setup/setup ...
Configuring cubical-0.1.1...
Building cubical-0.1.1...
Preprocessing executable 'cubical' for cubical-0.1.1...
unused terminals: 1
[1 of 9] Compiling Pretty           ( Pretty.hs, dist/build/cubical/cubical-tmp/Pretty.o )
[2 of 9] Compiling MTT              ( MTT.hs, dist/build/cubical/cubical-tmp/MTT.o )

MTT.hs:9:1: warning: [-Wdeprecations]
    Module ‘Control.Monad.Trans.Error’ is deprecated:
      Use Control.Monad.Trans.Except instead

MTT.hs:12:1: warning: [-Wdeprecations]
    Module ‘Control.Monad.Error’ is deprecated:
      Use Control.Monad.Except instead

MTT.hs:132:31: warning: [-Wdeprecations]
    In the use of type constructor or class ‘ErrorT’
    (imported from Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"

MTT.hs:134:34: warning: [-Wdeprecations]
    In the use of type constructor or class ‘ErrorT’
    (imported from Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"

MTT.hs:140:17: warning: [-Wdeprecations]
    In the use of ‘runErrorT’
    (imported from Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"

MTT.hs:147:33: warning: [-Wdeprecations]
    In the use of ‘runErrorT’
    (imported from Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"
[3 of 9] Compiling Exp.Lex          ( dist/build/cubical/cubical-tmp/Exp/Lex.hs, dist/build/cubical/cubical-tmp/Exp/Lex.o )

Exp/Lex.x:154:38: error:
    • Variable not in scope: ord :: Char -> a0
    • Perhaps you meant one of these:
        ‘or’ (imported from Prelude), ‘odd’ (imported from Prelude),
        ‘ord#’ (imported from GHC.Exts)
cabal: Leaving directory '/tmp/cabal-tmp-27154/cubical-0.1.1'
cabal: Error: some packages failed to install:
cubical-0.1.1 failed during the building phase. The exception was:
ExitFailure 1