Resolving dependencies...
Downloading greencard-3.0.1...
Configuring greencard-3.0.1...
Building greencard-3.0.1...
Failed to install greencard-3.0.1
Build log ( /home/builder/.cabal/logs/greencard-3.0.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-10526/greencard-3.0.1'
Configuring greencard-3.0.1...
Warning: 'ghc-options: -prof' is not necessary and will lead to problems when
used on a library. Use the configure flag --enable-library-profiling and/or
--enable-profiling.
Building greencard-3.0.1...
Preprocessing executable 'greencard' for greencard-3.0.1...
unused terminals: 1
[ 1 of 21] Compiling Target           ( src/Target.lhs, dist/build/greencard/greencard-tmp/Target.o )

src/Target.lhs:8:1: warning: [-Wtabs]
    Tab character found here, and in one further location.
    Please use spaces instead.
[ 2 of 21] Compiling PrettyUtils      ( src/PrettyUtils.lhs, dist/build/greencard/greencard-tmp/PrettyUtils.o )

src/PrettyUtils.lhs:7:1: warning: [-Wtabs]
    Tab character found here, and in 11 further locations.
    Please use spaces instead.
[ 3 of 21] Compiling Package          ( src/Package.lhs, dist/build/greencard/greencard-tmp/Package.o )

src/Package.lhs:9:5: warning: [-Wtabs]
    Tab character found here.
    Please use spaces instead.
[ 4 of 21] Compiling Name             ( src/Name.lhs, dist/build/greencard/greencard-tmp/Name.o )

src/Name.lhs:8:1: warning: [-Wtabs]
    Tab character found here, and in one further location.
    Please use spaces instead.
[ 5 of 21] Compiling NameSupply       ( src/NameSupply.lhs, dist/build/greencard/greencard-tmp/NameSupply.o )

src/NameSupply.lhs:39:10: error:
    • No instance for (Applicative NSM)
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monad NSM’
cabal: Leaving directory '/tmp/cabal-tmp-10526/greencard-3.0.1'
cabal: Error: some packages failed to install:
greencard-3.0.1 failed during the building phase. The exception was:
ExitFailure 1