Resolving dependencies...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Installed mtl-2.2.1
Downloading ewe-0.1.0.23...
Configuring ewe-0.1.0.23...
Building ewe-0.1.0.23...
Failed to install ewe-0.1.0.23
Build log ( /home/builder/.cabal/logs/ewe-0.1.0.23.log ):
cabal: Entering directory '/tmp/cabal-tmp-7587/ewe-0.1.0.23'
Configuring ewe-0.1.0.23...
Building ewe-0.1.0.23...
Preprocessing executable 'ewe' for ewe-0.1.0.23...
[1 of 7] Compiling Paths_ewe        ( dist/build/autogen/Paths_ewe.hs, dist/build/ewe/ewe-tmp/Paths_ewe.o )
[2 of 7] Compiling Language.EWE.Token ( src/Language/EWE/Token.hs, dist/build/ewe/ewe-tmp/Language/EWE/Token.o )
[3 of 7] Compiling Language.EWE.Scanner ( dist/build/ewe/ewe-tmp/Language/EWE/Scanner.hs, dist/build/ewe/ewe-tmp/Language/EWE/Scanner.o )

templates/wrappers.hs:173:10: error:
    • No instance for (Applicative Alex)
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monad Alex’
cabal: Leaving directory '/tmp/cabal-tmp-7587/ewe-0.1.0.23'
cabal: Error: some packages failed to install:
ewe-0.1.0.23 failed during the building phase. The exception was:
ExitFailure 1