Resolving dependencies...
Configuring hx-0.4...
Configuring mtl-2.2.1...
Building hx-0.4...
Building mtl-2.2.1...
Installed mtl-2.2.1
Configuring names-0.3.1...
Building names-0.3.1...
Configuring split-0.2.3.1...
Installed hx-0.4
Building split-0.2.3.1...
Configuring stm-2.4.4.1...
Installed split-0.2.3.1
Building stm-2.4.4.1...
Configuring old-locale-1.0.0.7...
Installed names-0.3.1
Configuring strict-0.3.2...
Installed stm-2.4.4.1
Building old-locale-1.0.0.7...
Building strict-0.3.2...
Configuring syb-0.6...
Installed old-locale-1.0.0.7
Building syb-0.6...
Configuring text-1.2.2.1...
Installed strict-0.3.2
Building text-1.2.2.1...
Configuring transformers-compat-0.5.1.4...
Installed syb-0.6
Building transformers-compat-0.5.1.4...
Installed transformers-compat-0.5.1.4
Configuring named-records-0.5...
Building named-records-0.5...
Configuring old-time-1.1.0.3...
Installed named-records-0.5
Building old-time-1.1.0.3...
Configuring exceptions-0.8.3...
Installed old-time-1.1.0.3
Building exceptions-0.8.3...
Installed text-1.2.2.1
Configuring polyparse-1.12...
Building polyparse-1.12...
Configuring strings-1.1...
Installed exceptions-0.8.3
Building strings-1.1...
Configuring bimap-0.3.2...
Installed strings-1.1
Building bimap-0.3.2...
Installed polyparse-1.12
Configuring cpphs-1.20.2...
Building cpphs-1.20.2...
Installed bimap-0.3.2
Installed cpphs-1.20.2
Configuring java-bridge-0.99...
Failed to install java-bridge-0.99
Build log ( /home/builder/.cabal/logs/java-bridge-0.99.log ):
cabal: Entering directory '/tmp/cabal-tmp-24536/java-bridge-0.99'
cabal: Leaving directory '/tmp/cabal-tmp-24536/java-bridge-0.99'
cabal: Error: some packages failed to install:
j2hs-0.99.1 depends on java-bridge-0.99 which failed to install.
java-bridge-0.99 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-24536/java-bridge-0.99/dist/setup/setup.hs:293:8: error:
Ambiguous occurrence ‘isSymbolicLink’
It could refer to either ‘System.Directory.isSymbolicLink’,
imported from ‘System.Directory’ at
/tmp/cabal-tmp-24536/java-bridge-0.99/dist/setup/setup.hs:29:1-23
or ‘System.Posix.Files.isSymbolicLink’,
imported from ‘System.Posix.Files’ at
/tmp/cabal-tmp-24536/java-bridge-0.99/dist/setup/setup.hs:37:1-25
(and originally defined in ‘unix-2.7.2.0:System.Posix.Files.Common’)
)
java-bridge-extras-0.99 depends on java-bridge-0.99 which failed to install.
java-reflect-0.99 depends on java-bridge-0.99 which failed to install.