Resolving dependencies... Configuring ghc-paths-0.1.0.9... Downloading hinduce-missingh-0.0.0.0... Configuring mtl-2.2.1... Building mtl-2.2.1... Building ghc-paths-0.1.0.9... Installed mtl-2.2.1 Configuring multimap-1.2.1... Installed ghc-paths-0.1.0.9 Configuring names-0.3.1... Building multimap-1.2.1... Building names-0.3.1... Installed multimap-1.2.1 Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Configuring random-1.1... Installed old-locale-1.0.0.7 Building random-1.1... Configuring split-0.2.3.1... Installed names-0.3.1 Building split-0.2.3.1... Configuring stm-2.4.4.1... Installed random-1.1 Configuring syb-0.6... Installed split-0.2.3.1 Building stm-2.4.4.1... Building syb-0.6... Configuring text-1.2.2.1... Installed stm-2.4.4.1 Building text-1.2.2.1... Configuring transformers-compat-0.5.1.4... Installed syb-0.6 Building transformers-compat-0.5.1.4... Configuring hinduce-missingh-0.0.0.0... Installed transformers-compat-0.5.1.4 Building hinduce-missingh-0.0.0.0... Installed hinduce-missingh-0.0.0.0 Configuring exceptions-0.8.3... Building exceptions-0.8.3... Configuring named-records-0.5... Installed exceptions-0.8.3 Building named-records-0.5... Configuring old-time-1.1.0.3... Installed named-records-0.5 Building old-time-1.1.0.3... Installed text-1.2.2.1 Configuring hint-0.6.0... Building hint-0.6.0... Configuring bimap-0.3.2... Installed old-time-1.1.0.3 Building bimap-0.3.2... Configuring strings-1.1... Installed bimap-0.3.2 Building strings-1.1... Configuring polyparse-1.12... Installed strings-1.1 Building polyparse-1.12... Installed hint-0.6.0 Installed polyparse-1.12 Configuring cpphs-1.20.2... Building cpphs-1.20.2... Installed cpphs-1.20.2 Downloading java-bridge-0.20130606.2... Configuring java-bridge-0.20130606.2... Failed to install java-bridge-0.20130606.2 Build log ( /home/builder/.cabal/logs/java-bridge-0.20130606.2.log ): cabal: Entering directory '/tmp/cabal-tmp-25912/java-bridge-0.20130606.2' cabal: Leaving directory '/tmp/cabal-tmp-25912/java-bridge-0.20130606.2' cabal: Error: some packages failed to install: java-bridge-0.20130606.2 failed during the configure step. The exception was: user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error: /tmp/cabal-tmp-25912/java-bridge-0.20130606.2/dist/setup/setup.hs:287:8: error: Ambiguous occurrence ‘isSymbolicLink’ It could refer to either ‘System.Directory.isSymbolicLink’, imported from ‘System.Directory’ at /tmp/cabal-tmp-25912/java-bridge-0.20130606.2/dist/setup/setup.hs:29:1-23 or ‘System.Posix.Files.isSymbolicLink’, imported from ‘System.Posix.Files’ at /tmp/cabal-tmp-25912/java-bridge-0.20130606.2/dist/setup/setup.hs:37:1-25 (and originally defined in ‘unix-2.7.2.0:System.Posix.Files.Common’) )