Resolving dependencies...
Configuring ansi-terminal-0.6.2.3...
Configuring cereal-0.5.4.0...
Building ansi-terminal-0.6.2.3...
Building cereal-0.5.4.0...
Installed ansi-terminal-0.6.2.3
Configuring data-default-class-0.1.2.0...
Building data-default-class-0.1.2.0...
Configuring hostname-1.0...
Installed data-default-class-0.1.2.0
Configuring dlist-0.8.0.2...
Installed cereal-0.5.4.0
Building hostname-1.0...
Building dlist-0.8.0.2...
Configuring mtl-2.2.1...
Installed hostname-1.0
Building mtl-2.2.1...
Configuring monad-loops-0.4.3...
Installed dlist-0.8.0.2
Building monad-loops-0.4.3...
Configuring network-2.6.3.1...
Installed monad-loops-0.4.3
Configuring random-1.1...
Installed mtl-2.2.1
Building random-1.1...
Building network-2.6.3.1...
Configuring stm-2.4.4.1...
Installed random-1.1
Building stm-2.4.4.1...
Configuring old-locale-1.0.0.7...
Installed stm-2.4.4.1
Building old-locale-1.0.0.7...
Configuring transformers-compat-0.5.1.4...
Installed old-locale-1.0.0.7
Building transformers-compat-0.5.1.4...
Configuring text-1.2.2.1...
Installed network-2.6.3.1
Building text-1.2.2.1...
Configuring ansi-wl-pprint-0.6.7.3...
Installed transformers-compat-0.5.1.4
Building ansi-wl-pprint-0.6.7.3...
Installed ansi-wl-pprint-0.6.7.3
Configuring data-default-instances-dlist-0.0.1...
Building data-default-instances-dlist-0.0.1...
Configuring data-default-instances-containers-0.0.1...
Installed data-default-instances-dlist-0.0.1
Building data-default-instances-containers-0.0.1...
Configuring regex-base-0.93.2...
Installed data-default-instances-containers-0.0.1
Building regex-base-0.93.2...
Configuring data-default-instances-old-locale-0.0.1...
Installed regex-base-0.93.2
Building data-default-instances-old-locale-0.0.1...
Configuring transformers-base-0.4.4...
Installed data-default-instances-old-locale-0.0.1
Building transformers-base-0.4.4...
Configuring exceptions-0.8.3...
Installed transformers-base-0.4.4
Building exceptions-0.8.3...
Configuring MonadRandom-0.4.2.3...
Installed text-1.2.2.1
Building MonadRandom-0.4.2.3...
Installed exceptions-0.8.3
Configuring data-default-0.7.1.1...
Building data-default-0.7.1.1...
Configuring regex-posix-0.95.2...
Installed MonadRandom-0.4.2.3
Building regex-posix-0.95.2...
Configuring monad-control-1.0.1.0...
Installed data-default-0.7.1.1
Building monad-control-1.0.1.0...
Configuring temporary-1.2.0.4...
Installed monad-control-1.0.1.0
Building temporary-1.2.0.4...
Configuring xml-1.3.14...
Installed regex-posix-0.95.2
Building xml-1.3.14...
Installed temporary-1.2.0.4
Configuring random-shuffle-0.0.4...
Building random-shuffle-0.0.4...
Configuring lifted-base-0.2.3.8...
Installed random-shuffle-0.0.4
Building lifted-base-0.2.3.8...
Installed xml-1.3.14
Configuring test-framework-0.8.1.1...
Building test-framework-0.8.1.1...
Installed lifted-base-0.2.3.8
Configuring test-sandbox-0.0.1.13...
Building test-sandbox-0.0.1.13...
Failed to install test-sandbox-0.0.1.13
Build log ( /home/builder/.cabal/logs/test-sandbox-0.0.1.13.log ):
cabal: Entering directory '/tmp/cabal-tmp-6441/test-sandbox-0.0.1.13'
Configuring test-sandbox-0.0.1.13...
Building test-sandbox-0.0.1.13...
Preprocessing library test-sandbox-0.0.1.13...
[1 of 3] Compiling Test.Sandbox.Process ( src/Test/Sandbox/Process.hs, dist/build/Test/Sandbox/Process.o )
[2 of 3] Compiling Test.Sandbox.Internals ( src/Test/Sandbox/Internals.hs, dist/build/Test/Sandbox/Internals.o )

src/Test/Sandbox/Internals.hs:431:24: error:
    Ambiguous occurrence ‘findExecutables’
    It could refer to either ‘System.Directory.findExecutables’,
                             imported from ‘System.Directory’ at src/Test/Sandbox/Internals.hs:36:1-23
                          or ‘Test.Sandbox.Internals.findExecutables’,
                             defined at src/Test/Sandbox/Internals.hs:440:1
cabal: Leaving directory '/tmp/cabal-tmp-6441/test-sandbox-0.0.1.13'
Installed test-framework-0.8.1.1
cabal: Error: some packages failed to install:
test-framework-sandbox-0.0.2.0 depends on test-sandbox-0.0.1.13 which failed
to install.
test-sandbox-0.0.1.13 failed during the building phase. The exception was:
ExitFailure 1