Resolving dependencies... Downloading GenericPretty-1.1.2... Configuring GenericPretty-1.1.2... Building GenericPretty-1.1.2... Preprocessing library GenericPretty-1.1.2... [1 of 2] Compiling Text.PrettyPrint.MyPretty ( Text/PrettyPrint/MyPretty.hs, dist/build/Text/PrettyPrint/MyPretty.o ) [2 of 2] Compiling Text.PrettyPrint.GenericPretty ( Text/PrettyPrint/GenericPretty.hs, dist/build/Text/PrettyPrint/GenericPretty.o ) In-place registering GenericPretty-1.1.2... Running Haddock for GenericPretty-1.1.2... Running hscolour for GenericPretty-1.1.2... Preprocessing library GenericPretty-1.1.2... HsColour: Text/PrettyPrint/GenericPretty.hs: hGetContents: invalid argument (invalid byte sequence) Creating package registration file: /tmp/pkgConf-GenericPretty-1.14242.2 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/GenericPretty-1.1.2 Registering GenericPretty-1.1.2... Installed GenericPretty-1.1.2