Resolving dependencies...
Configuring GenericPretty-1.1.3...
Building GenericPretty-1.1.3...
Failed to install GenericPretty-1.1.3
Build log ( /home/builder/.cabal/logs/GenericPretty-1.1.3.log ):
cabal: Entering directory '/tmp/cabal-tmp-16451/GenericPretty-1.1.3'
Configuring GenericPretty-1.1.3...
Building GenericPretty-1.1.3...
Preprocessing library GenericPretty-1.1.3...
[1 of 2] Compiling Text.PrettyPrint.MyPretty ( Text/PrettyPrint/MyPretty.hs, dist/build/Text/PrettyPrint/MyPretty.o )

Text/PrettyPrint/MyPretty.hs:32:17: error:
    Ambiguous occurrence ‘Style’
    It could refer to either ‘Pretty.Style’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.Style’,
                             defined at Text/PrettyPrint/MyPretty.hs:24:1

Text/PrettyPrint/MyPretty.hs:33:29: error:
    Ambiguous occurrence ‘mode’
    It could refer to either ‘Pretty.mode’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.mode’,
                             defined at Text/PrettyPrint/MyPretty.hs:25:23

Text/PrettyPrint/MyPretty.hs:33:38: error:
    Ambiguous occurrence ‘lineLength’
    It could refer to either ‘Pretty.lineLength’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.lineLength’,
                             defined at Text/PrettyPrint/MyPretty.hs:26:23

Text/PrettyPrint/MyPretty.hs:33:53: error:
    Ambiguous occurrence ‘ribbonsPerLine’
    It could refer to either ‘Pretty.ribbonsPerLine’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.ribbonsPerLine’,
                             defined at Text/PrettyPrint/MyPretty.hs:27:23

Text/PrettyPrint/MyPretty.hs:46:10: error:
    Ambiguous occurrence ‘Style’
    It could refer to either ‘Pretty.Style’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.Style’,
                             defined at Text/PrettyPrint/MyPretty.hs:24:1

Text/PrettyPrint/MyPretty.hs:47:9: error:
    Ambiguous occurrence ‘Style’
    It could refer to either ‘Pretty.Style’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.Style’,
                             defined at Text/PrettyPrint/MyPretty.hs:25:13

Text/PrettyPrint/MyPretty.hs:47:16: error:
    Ambiguous occurrence ‘mode’
    It could refer to either ‘Pretty.mode’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.mode’,
                             defined at Text/PrettyPrint/MyPretty.hs:25:23

Text/PrettyPrint/MyPretty.hs:47:33: error:
    Ambiguous occurrence ‘lineLength’
    It could refer to either ‘Pretty.lineLength’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.lineLength’,
                             defined at Text/PrettyPrint/MyPretty.hs:26:23

Text/PrettyPrint/MyPretty.hs:47:50: error:
    Ambiguous occurrence ‘ribbonsPerLine’
    It could refer to either ‘Pretty.ribbonsPerLine’,
                             imported from ‘Pretty’ at Text/PrettyPrint/MyPretty.hs:20:1-13
                          or ‘Text.PrettyPrint.MyPretty.ribbonsPerLine’,
                             defined at Text/PrettyPrint/MyPretty.hs:27:23
cabal: Leaving directory '/tmp/cabal-tmp-16451/GenericPretty-1.1.3'
cabal: Error: some packages failed to install:
GenericPretty-1.1.3 failed during the building phase. The exception was:
ExitFailure 1