Resolving dependencies... Configuring call-stack-0.1.0... Configuring mtl-2.2.1... Building call-stack-0.1.0... Building mtl-2.2.1... Installed call-stack-0.1.0 Configuring network-2.6.3.1... Configuring old-locale-1.0.0.7... Installed mtl-2.2.1 Building network-2.6.3.1... Building old-locale-1.0.0.7... Configuring random-1.1... Installed old-locale-1.0.0.7 Building random-1.1... Configuring primitive-0.6.1.0... Installed random-1.1 Building primitive-0.6.1.0... Configuring text-1.2.2.1... Installed network-2.6.3.1 Building text-1.2.2.1... Configuring utf8-string-1.0.1.1... Installed primitive-0.6.1.0 Building utf8-string-1.0.1.1... Installed utf8-string-1.0.1.1 Configuring HUnit-1.5.0.0... Building HUnit-1.5.0.0... Installed HUnit-1.5.0.0 Configuring regex-base-0.93.2... Building regex-base-0.93.2... Configuring old-time-1.1.0.3... Installed regex-base-0.93.2 Building old-time-1.1.0.3... Configuring hslogger-1.2.10... Installed text-1.2.2.1 Building hslogger-1.2.10... Configuring vector-0.11.0.0... Installed old-time-1.1.0.3 Building vector-0.11.0.0... Installed hslogger-1.2.10 Configuring regex-posix-0.95.2... Building regex-posix-0.95.2... Configuring parsec-3.1.11... Installed regex-posix-0.95.2 Building parsec-3.1.11... Configuring hashable-1.2.4.0... Installed parsec-3.1.11 Building hashable-1.2.4.0... Configuring regex-compat-0.95.1... Installed hashable-1.2.4.0 Building regex-compat-0.95.1... Installed regex-compat-0.95.1 Configuring MissingH-1.4.0.1... Building MissingH-1.4.0.1... Installed vector-0.11.0.0 Configuring hashtables-1.2.1.0... Building hashtables-1.2.1.0... Installed hashtables-1.2.1.0 Configuring gtk2hs-buildtools-0.13.2.1... Installed MissingH-1.4.0.1 Building gtk2hs-buildtools-0.13.2.1... Installed gtk2hs-buildtools-0.13.2.1 Configuring cairo-0.13.3.1... Configuring glib-0.13.4.1... Building glib-0.13.4.1... Building cairo-0.13.3.1... Installed cairo-0.13.3.1 Installed glib-0.13.4.1 Configuring gconf-0.13.1.0... Configuring gio-0.13.3.1... Building gconf-0.13.1.0... Building gio-0.13.3.1... Configuring pango-0.13.3.1... Installed gconf-0.13.1.0 Building pango-0.13.3.1... Installed pango-0.13.3.1 Installed gio-0.13.3.1 Configuring gtk-0.14.6... Building gtk-0.14.6... Installed gtk-0.14.6 Configuring glade-0.13.1... Building glade-0.13.1... Installed glade-0.13.1 Configuring gtkrsync-1.0.4... Building gtkrsync-1.0.4... Failed to install gtkrsync-1.0.4 Build log ( /home/builder/.cabal/logs/gtkrsync-1.0.4.log ): cabal: Entering directory '/tmp/cabal-tmp-32587/gtkrsync-1.0.4' Configuring gtkrsync-1.0.4... Building gtkrsync-1.0.4... Preprocessing executable 'gtkrsync' for gtkrsync-1.0.4... [1 of 4] Compiling RsyncParser ( RsyncParser.hs, dist/build/gtkrsync/gtkrsync-tmp/RsyncParser.o ) [2 of 4] Compiling Paths_gtkrsync ( dist/build/autogen/Paths_gtkrsync.hs, dist/build/gtkrsync/gtkrsync-tmp/Paths_gtkrsync.o ) [3 of 4] Compiling RsyncGUI ( RsyncGUI.hs, dist/build/gtkrsync/gtkrsync-tmp/RsyncGUI.o ) RsyncGUI.hs:131:1: error: • Non type-variable argument in the constraint: RegexContext Regex string [[String]] (Use FlexibleContexts to permit this) • When checking the inferred type procprogress :: forall string a. (glib-0.13.4.1:System.Glib.UTFString.GlibString string, RegexContext Regex string [[String]]) => GUIParts -> Progress -> (IO a, string) -> IO () cabal: Leaving directory '/tmp/cabal-tmp-32587/gtkrsync-1.0.4' cabal: Error: some packages failed to install: gtkrsync-1.0.4 failed during the building phase. The exception was: ExitFailure 1