Resolving dependencies...
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Installed mtl-2.2.1
Configuring regex-base-0.93.2...
Building regex-base-0.93.2...
Installed regex-base-0.93.2
Configuring regex-posix-0.95.2...
Building regex-posix-0.95.2...
Installed regex-posix-0.95.2
Configuring regex-compat-0.95.1...
Building regex-compat-0.95.1...
Installed regex-compat-0.95.1
Downloading lhs2tex-1.18.1...
Configuring lhs2tex-1.18.1...
Failed to install lhs2tex-1.18.1
Build log ( /home/builder/.cabal/logs/lhs2tex-1.18.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-16883/lhs2tex-1.18.1'
cabal: Leaving directory '/tmp/cabal-tmp-16883/lhs2tex-1.18.1'
cabal: Error: some packages failed to install:
lhs2tex-1.18.1 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:298:26: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:16:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:26:1-18

/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:334:17: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:16:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:26:1-18

/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:338:17: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:16:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-16883/lhs2tex-1.18.1/dist/setup/setup.hs:26:1-18
)