Resolving dependencies...
Configuring mtl-2.2.1...
Configuring network-2.6.3.1...
Building mtl-2.2.1...
Building network-2.6.3.1...
Installed mtl-2.2.1
Downloading fst-0.10.0.1...
Configuring old-locale-1.0.0.7...
Building old-locale-1.0.0.7...
Configuring parallel-3.2.1.0...
Installed old-locale-1.0.0.7
Building parallel-3.2.1.0...
Configuring random-1.1...
Installed parallel-3.2.1.0
Building random-1.1...
Configuring stm-2.4.4.1...
Installed network-2.6.3.1
Building stm-2.4.4.1...
Configuring syb-0.6...
Installed random-1.1
Building syb-0.6...
Configuring text-1.2.2.1...
Installed stm-2.4.4.1
Building text-1.2.2.1...
Configuring utf8-string-1.0.1.1...
Installed syb-0.6
Building utf8-string-1.0.1.1...
Configuring transformers-compat-0.5.1.4...
Installed utf8-string-1.0.1.1
Building transformers-compat-0.5.1.4...
Installed transformers-compat-0.5.1.4
Configuring fst-0.10.0.1...
Building fst-0.10.0.1...
Configuring old-time-1.1.0.3...
Installed text-1.2.2.1
Building old-time-1.1.0.3...
Configuring exceptions-0.8.3...
Installed old-time-1.1.0.3
Building exceptions-0.8.3...
Configuring parsec-3.1.11...
Installed fst-0.10.0.1
Building parsec-3.1.11...
Installed exceptions-0.8.3
Installed parsec-3.1.11
Configuring multipart-0.1.2...
Configuring network-uri-2.6.1.0...
Building multipart-0.1.2...
Building network-uri-2.6.1.0...
Configuring json-0.9.1...
Installed multipart-0.1.2
Building json-0.9.1...
Installed network-uri-2.6.1.0
Configuring httpd-shed-0.4.0.3...
Building httpd-shed-0.4.0.3...
Configuring cgi-3001.3.0.2...
Installed httpd-shed-0.4.0.3
Building cgi-3001.3.0.2...
Installed json-0.9.1
Installed cgi-3001.3.0.2
Downloading gf-3.4...
Configuring gf-3.4...
Failed to install gf-3.4
Build log ( /home/builder/.cabal/logs/gf-3.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-6565/gf-3.4'
cabal: Leaving directory '/tmp/cabal-tmp-6565/gf-3.4'
cabal: Error: some packages failed to install:
gf-3.4 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-6565/gf-3.4/WebSetup.hs:5:1: warning: [-Wdeprecations]
Module ‘System.Cmd’ is deprecated: Use "System.Process" instead

/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:120:10: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:5:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:17:1-18

/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:383:30: error:
Ambiguous occurrence ‘die’
It could refer to either ‘Distribution.Simple.Utils.die’,
imported from ‘Distribution.Simple.Utils’ at
/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:5:1-32
or ‘System.Exit.die’,
imported from ‘System.Exit’ at
/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:17:1-18

/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:390:71: error:
Ambiguous occurrence ‘exeExtension’
It could refer to either ‘Distribution.Simple.BuildPaths.exeExtension’,
imported from ‘Distribution.Simple.BuildPaths’ at
/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:4:1-37
or ‘System.Directory.exeExtension’,
imported from ‘System.Directory’ at
/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:15:1-23
(and originally defined in
‘directory-1.2.6.2:System.Directory.Internal.Config’)

/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:394:14: error:
Not in scope: ‘E.try’
Module ‘System.IO.Error’ does not export ‘try’.

/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:413:20: error:
Not in scope: ‘E.try’
Module ‘System.IO.Error’ does not export ‘try’.

/tmp/cabal-tmp-6565/gf-3.4/dist/setup/setup.hs:422:13: error:
Not in scope: ‘E.try’
Module ‘System.IO.Error’ does not export ‘try’.
)