gistfile1.txt

...
Loading package cgi-3001.1.7.1 ... linking ... done.
Loading package ansi-terminal-0.5.0 ... linking ... done.
Loading package ansi-wl-pprint-0.5.0 ... linking ... done.
[24 of 25] Compiling Hack.Contrib.Middleware.Lucky ( src/Hack/Contrib/Middleware/Lucky.hs, dist/build/Hack/Contrib/Middleware/Lucky.o )
[25 of 25] Compiling Hack.Contrib.Middleware.ShowStatus ( src/Hack/Contrib/Middleware/ShowStatus.hs, dist/build/Hack/Contrib/Middleware/ShowStatus.o )

src/Hack/Contrib/Middleware/ShowStatus.hs:56:53:
    Couldn't match expected type `String -> String'
           against inferred type `[Char]'
    Probable cause: `b2u' is applied to too many arguments
    In the second argument of `(.)', namely `b2u'
    In the second argument of `(.)', namely `(unescape_uri . b2u)'
cabal: Error: some packages failed to install:
hack-contrib-2009.6.25 failed during the building phase. The exception was:
exit: ExitFailure 1