Resolving dependencies...
Configuring dotgen-0.4.2...
Building dotgen-0.4.2...
Preprocessing library dotgen-0.4.2...
[1 of 1] Compiling Text.Dot         ( Text/Dot.hs, dist/build/Text/Dot.o )

Text/Dot.hs:157:9: Warning:
    Pattern match(es) are non-exhaustive
    In an equation for ‘showAttrs'’: Patterns not matched: []
In-place registering dotgen-0.4.2...
Running Haddock for dotgen-0.4.2...
Running hscolour for dotgen-0.4.2...
Preprocessing library dotgen-0.4.2...
Preprocessing library dotgen-0.4.2...
Haddock coverage:
  86% ( 19 / 22) in 'Text.Dot'
Documentation created: dist/doc/html/dotgen/index.html,
dist/doc/html/dotgen/dotgen.txt
Creating package registration file: /tmp/pkgConf-dotgen-0.416606.2
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/dotgen-0.4.2
Registering dotgen-0.4.2...
Installed dotgen-0.4.2
Downloading graphmod-1.1...
Configuring graphmod-1.1...
Building graphmod-1.1...
Preprocessing executable 'graphmod' for graphmod-1.1...

src/Main.hs:3:8:
    Could not find module ‘Data.Dot’
    Perhaps you meant
      Data.Data (from base)
      Data.Int (needs flag -package haskell2010-1.1.2.0)
      Data.Set (needs flag -package containers-0.5.5.1)
    Use -v to see a list of the files searched for.
Failed to install graphmod-1.1
cabal: Error: some packages failed to install:
graphmod-1.1 failed during the building phase. The exception was:
ExitFailure 1