Resolving dependencies...
Configuring text-1.2.2.1...
Configuring zlib-0.6.1.2...
Building zlib-0.6.1.2...
Building text-1.2.2.1...
Installed zlib-0.6.1.2
Installed text-1.2.2.1
Configuring hashable-1.2.4.0...
Building hashable-1.2.4.0...
Installed hashable-1.2.4.0
Configuring unordered-containers-0.2.7.1...
Building unordered-containers-0.2.7.1...
Installed unordered-containers-0.2.7.1
Configuring hyphenation-0.6...
Building hyphenation-0.6...
Installed hyphenation-0.6
Configuring linebreak-1.0.0.2...
Building linebreak-1.0.0.2...
Failed to install linebreak-1.0.0.2
Build log ( /home/builder/.cabal/logs/linebreak-1.0.0.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-2593/linebreak-1.0.0.2'
Configuring linebreak-1.0.0.2...
Building linebreak-1.0.0.2...
Preprocessing library linebreak-1.0.0.2...
[1 of 1] Compiling Text.LineBreak   ( Text/LineBreak.hs, dist/build/Text/LineBreak.o )

Text/LineBreak.hs:152:69: error:
    • Couldn't match type ‘Char’ with ‘[Char]’
      Expected type: [[Char]]
        Actual type: String
    • In the second argument of ‘find’, namely ‘poss’
      In the expression: find ((<= avspace) . hypLen) poss
      In the expression:
        case find ((<= avspace) . hypLen) poss of {
          Just a -> a
          Nothing -> cs }
cabal: Leaving directory '/tmp/cabal-tmp-2593/linebreak-1.0.0.2'
cabal: Error: some packages failed to install:
linebreak-1.0.0.2 failed during the building phase. The exception was:
ExitFailure 1