Resolving dependencies...
Configuring List-0.6.0...
Configuring extensible-exceptions-0.1.1.4...
Building extensible-exceptions-0.1.1.4...
Building List-0.6.0...
Installed extensible-exceptions-0.1.1.4
Configuring parallel-1.1.0.1...
Building parallel-1.1.0.1...
Configuring utf8-string-1.0.1.1...
Installed List-0.6.0
Building utf8-string-1.0.1.1...
Configuring text-1.2.2.1...
Installed parallel-1.1.0.1
Building text-1.2.2.1...
Installed utf8-string-1.0.1.1
Installed text-1.2.2.1
Configuring hexpat-0.18.1...
Building hexpat-0.18.1...
Failed to install hexpat-0.18.1
Build log ( /home/builder/.cabal/logs/hexpat-0.18.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-14310/hexpat-0.18.1'
Configuring hexpat-0.18.1...
Building hexpat-0.18.1...
Preprocessing library hexpat-0.18.1...
[ 1 of 14] Compiling Text.XML.Expat.Internal.IO ( Text/XML/Expat/Internal/IO.hs, dist/build/Text/XML/Expat/Internal/IO.o )
[ 2 of 14] Compiling Text.XML.Expat.SAX ( Text/XML/Expat/SAX.hs, dist/build/Text/XML/Expat/SAX.o )

Text/XML/Expat/SAX.hs:129:19: error:
    Not in scope: ‘T.breakBy’
    Perhaps you meant one of these:
      ‘T.break’ (imported from Data.Text),
      ‘T.breakOn’ (imported from Data.Text)
    Module ‘Data.Text’ does not export ‘breakBy’.
cabal: Leaving directory '/tmp/cabal-tmp-14310/hexpat-0.18.1'
cabal: Error: some packages failed to install:
hexpat-0.18.1 failed during the building phase. The exception was:
ExitFailure 1