Resolving dependencies...
Configuring cmdargs-0.10.14...
Configuring data-default-class-0.1.2.0...
Building cmdargs-0.10.14...
Building data-default-class-0.1.2.0...
Installed data-default-class-0.1.2.0
Configuring dlist-0.8.0.2...
Building dlist-0.8.0.2...
Configuring network-2.6.3.1...
Installed dlist-0.8.0.2
Building network-2.6.3.1...
Configuring random-1.1...
Installed network-2.6.3.1
Building random-1.1...
Configuring old-locale-1.0.0.7...
Installed cmdargs-0.10.14
Building old-locale-1.0.0.7...
Configuring data-default-instances-containers-0.0.1...
Installed random-1.1
Building data-default-instances-containers-0.0.1...
Installed old-locale-1.0.0.7
Configuring data-default-instances-old-locale-0.0.1...
Building data-default-instances-old-locale-0.0.1...
Configuring data-default-instances-dlist-0.0.1...
Installed data-default-instances-containers-0.0.1
Building data-default-instances-dlist-0.0.1...
Installed data-default-instances-old-locale-0.0.1
Installed data-default-instances-dlist-0.0.1
Configuring data-default-0.7.1.1...
Building data-default-0.7.1.1...
Installed data-default-0.7.1.1
Downloading network-metrics-0.2.4...
Configuring network-metrics-0.2.4...
Building network-metrics-0.2.4...
Failed to install network-metrics-0.2.4
Build log ( /home/builder/.cabal/logs/network-metrics-0.2.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-2424/network-metrics-0.2.4'
Configuring network-metrics-0.2.4...
Warning: 'ghc-options: -prof' is not necessary and will lead to problems when
used on a library. Use the configure flag --enable-library-profiling and/or
--enable-profiling.
Warning: 'ghc-options: -rtsopts' has no effect for libraries. It should only
be used for executables.
Building network-metrics-0.2.4...
Preprocessing library network-metrics-0.2.4...
[1 of 6] Compiling Network.Metric.Internal ( src/Network/Metric/Internal.hs, dist/build/Network/Metric/Internal.o )

src/Network/Metric/Internal.hs:129:25: error:
    Ambiguous occurrence ‘close’
    It could refer to either ‘Network.Socket.close’,
                             imported from ‘Network.Socket’ at src/Network/Metric/Internal.hs:48:1-51
                          or ‘Network.Metric.Internal.close’,
                             defined at src/Network/Metric/Internal.hs:92:5
cabal: Leaving directory '/tmp/cabal-tmp-2424/network-metrics-0.2.4'
cabal: Error: some packages failed to install:
network-metrics-0.2.4 failed during the building phase. The exception was:
ExitFailure 1