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 old-locale-1.0.0.7... Building old-locale-1.0.0.7... Configuring syb-0.6... Installed old-locale-1.0.0.7 Building syb-0.6... Configuring text-1.2.2.1... Installed mtl-2.2.1 Building text-1.2.2.1... Configuring HUnit-1.5.0.0... Installed syb-0.6 Building HUnit-1.5.0.0... Installed HUnit-1.5.0.0 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Configuring mtlparse-0.1.4.0... Installed old-time-1.1.0.3 Building mtlparse-0.1.4.0... Installed mtlparse-0.1.4.0 Configuring regexpr-0.5.4... Building regexpr-0.5.4... Installed text-1.2.2.1 Configuring parsec-3.1.11... Building parsec-3.1.11... Configuring hashable-1.2.4.0... Installed regexpr-0.5.4 Building hashable-1.2.4.0... Configuring polyparse-1.12... Installed hashable-1.2.4.0 Building polyparse-1.12... Configuring unordered-containers-0.2.7.2... Installed parsec-3.1.11 Building unordered-containers-0.2.7.2... Installed polyparse-1.12 Configuring cpphs-1.20.2... Building cpphs-1.20.2... Installed unordered-containers-0.2.7.2 Configuring uniplate-1.6.12... Building uniplate-1.6.12... Installed cpphs-1.20.2 Configuring haskell-src-exts-1.19.1... Building haskell-src-exts-1.19.1... Installed uniplate-1.6.12 Installed haskell-src-exts-1.19.1 Configuring visual-prof-0.2... Building visual-prof-0.2... Failed to install visual-prof-0.2 Build log ( /home/builder/.cabal/logs/visual-prof-0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-17950/visual-prof-0.2' Configuring visual-prof-0.2... Building visual-prof-0.2... Preprocessing executable 'visual-prof' for visual-prof-0.2... [1 of 4] Compiling Pretty ( Pretty.hs, dist/build/visual-prof/visual-prof-tmp/Pretty.o ) Pretty.hs:26:1: error: Failed to load interface for ‘Language.Haskell.Exts.Annotated.Syntax’ Perhaps you meant Language.Haskell.Exts.ParseSyntax Language.Haskell.Exts.Syntax (from haskell-src-exts-1.19.1) Use -v to see a list of the files searched for. Pretty.hs:27:1: error: Failed to load interface for ‘Language.Haskell.Exts.Annotated.Simplify’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-17950/visual-prof-0.2' cabal: Error: some packages failed to install: visual-prof-0.2 failed during the building phase. The exception was: ExitFailure 1