Resolving dependencies...
Warning: The following packages are likely to be broken by the reinstalls:
ghc-8.0.1.20161018
Cabal-1.24.0.0
Continuing even though the plan contains dangerous reinstalls.
Configuring filepath-1.3.0.1...
Configuring mtl-2.2.1...
Building filepath-1.3.0.1...
Building mtl-2.2.1...
Installed filepath-1.3.0.1
Configuring text-1.2.2.1...
Building text-1.2.2.1...
Configuring utf8-string-0.3.7...
Installed mtl-2.2.1
Building utf8-string-0.3.7...
Configuring directory-1.2.7.1...
Installed utf8-string-0.3.7
Building directory-1.2.7.1...
Installed directory-1.2.7.1
Configuring cairo-0.12.5.3...
Configuring glib-0.12.5.4...
Failed to install cairo-0.12.5.3
Build log ( /home/builder/.cabal/logs/cairo-0.12.5.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-20212/cairo-0.12.5.3'
cabal: Leaving directory '/tmp/cabal-tmp-20212/cairo-0.12.5.3'
Configuring process-1.4.2.0...
Failed to install glib-0.12.5.4
Build log ( /home/builder/.cabal/logs/glib-0.12.5.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-20214/glib-0.12.5.4'
cabal: Leaving directory '/tmp/cabal-tmp-20214/glib-0.12.5.4'
Building process-1.4.2.0...
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Installed process-1.4.2.0
Building parsec-3.1.11...
Installed parsec-3.1.11
Configuring goatee-0.3.1.2...
Building goatee-0.3.1.2...
Installed goatee-0.3.1.2
cabal: Error: some packages failed to install:
cairo-0.12.5.3 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-20212/cairo-0.12.5.3/SetupWrapper.hs:60:49: error:
Ambiguous occurrence ‘exeExtension’
It could refer to either ‘Distribution.Simple.BuildPaths.exeExtension’,
imported from ‘Distribution.Simple.BuildPaths’ at
/tmp/cabal-tmp-20212/cairo-0.12.5.3/SetupWrapper.hs:11:40-51
or ‘System.Directory.exeExtension’,
imported from ‘System.Directory’ at
/tmp/cabal-tmp-20212/cairo-0.12.5.3/SetupWrapper.hs:23:1-23
(and originally defined in
‘directory-1.2.7.1:System.Directory.Internal.Config’)

/tmp/cabal-tmp-20212/cairo-0.12.5.3/SetupWrapper.hs:91:17: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-20212/cairo-0.12.5.3/SetupWrapper.hs:8:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-20212/cairo-0.12.5.3/SetupWrapper.hs:21:1-18
)
gio-0.12.5.3 depends on glib-0.12.5.4 which failed to install.
glib-0.12.5.4 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-20214/glib-0.12.5.4/SetupWrapper.hs:60:49: error:
Ambiguous occurrence ‘exeExtension’
It could refer to either ‘Distribution.Simple.BuildPaths.exeExtension’,
imported from ‘Distribution.Simple.BuildPaths’ at
/tmp/cabal-tmp-20214/glib-0.12.5.4/SetupWrapper.hs:11:40-51
or ‘System.Directory.exeExtension’,
imported from ‘System.Directory’ at
/tmp/cabal-tmp-20214/glib-0.12.5.4/SetupWrapper.hs:23:1-23
(and originally defined in
‘directory-1.2.7.1:System.Directory.Internal.Config’)

/tmp/cabal-tmp-20214/glib-0.12.5.4/SetupWrapper.hs:91:17: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-20214/glib-0.12.5.4/SetupWrapper.hs:8:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-20214/glib-0.12.5.4/SetupWrapper.hs:21:1-18
)
goatee-gtk-0.3.0 depends on cairo-0.12.5.3 which failed to install.
gtk-0.12.5.7 depends on cairo-0.12.5.3 which failed to install.
pango-0.12.5.3 depends on cairo-0.12.5.3 which failed to install.