Resolving dependencies... Configuring call-stack-0.1.0... Configuring dlist-0.8.0.2... Building call-stack-0.1.0... Building dlist-0.8.0.2... Installed call-stack-0.1.0 Configuring fmlist-0.9... Building fmlist-0.9... Installed dlist-0.8.0.2 Configuring mtl-2.2.1... Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed fmlist-0.9 Building old-locale-1.0.0.7... Configuring primitive-0.6.1.0... Installed old-locale-1.0.0.7 Building primitive-0.6.1.0... Configuring unix-compat-0.4.3.1... Installed mtl-2.2.1 Building unix-compat-0.4.3.1... Configuring utf8-string-1.0.1.1... Installed unix-compat-0.4.3.1 Building utf8-string-1.0.1.1... Configuring text-1.2.2.1... Installed primitive-0.6.1.0 Building text-1.2.2.1... Configuring HUnit-1.5.0.0... Installed utf8-string-1.0.1.1 Building HUnit-1.5.0.0... Installed HUnit-1.5.0.0 Configuring vector-0.11.0.0... Building vector-0.11.0.0... Installed text-1.2.2.1 Configuring blaze-builder-0.4.0.2... Building blaze-builder-0.4.0.2... Configuring hashable-1.2.4.0... Installed blaze-builder-0.4.0.2 Building hashable-1.2.4.0... Configuring system-filepath-0.4.13.4... Installed hashable-1.2.4.0 Building system-filepath-0.4.13.4... Configuring case-insensitive-1.2.0.7... Installed system-filepath-0.4.13.4 Building case-insensitive-1.2.0.7... Installed vector-0.11.0.0 Configuring ListLike-4.5... Building ListLike-4.5... Configuring system-fileio-0.3.16.3... Installed case-insensitive-1.2.0.7 Building system-fileio-0.3.16.3... Configuring http-types-0.9.1... Installed system-fileio-0.3.16.3 Building http-types-0.9.1... Installed http-types-0.9.1 Installed ListLike-4.5 Configuring process-listlike-0.6.2... Building process-listlike-0.6.2... Installed process-listlike-0.6.2 Downloading herringbone-0.1.0... Configuring herringbone-0.1.0... Building herringbone-0.1.0... Failed to install herringbone-0.1.0 Build log ( /home/builder/.cabal/logs/herringbone-0.1.0.log ): cabal: Entering directory '/tmp/cabal-tmp-15885/herringbone-0.1.0' Configuring herringbone-0.1.0... Building herringbone-0.1.0... Preprocessing library herringbone-0.1.0... [ 1 of 10] Compiling Web.Herringbone.Internal.Utils ( Web/Herringbone/Internal/Utils.hs, dist/build/Web/Herringbone/Internal/Utils.o ) [ 2 of 10] Compiling Web.Herringbone.Internal.Types ( Web/Herringbone/Internal/Types.hs, dist/build/Web/Herringbone/Internal/Types.o ) Web/Herringbone/Internal/Types.hs:192:31: error: Ambiguous occurrence ‘defaultTimeLocale’ It could refer to either ‘Data.Time.Format.defaultTimeLocale’, imported from ‘Data.Time.Format’ at Web/Herringbone/Internal/Types.hs:11:1-23 (and originally defined in ‘time-1.6.0.1:Data.Time.Format.Locale’) or ‘System.Locale.defaultTimeLocale’, imported from ‘System.Locale’ at Web/Herringbone/Internal/Types.hs:12:1-20 Web/Herringbone/Internal/Types.hs:192:50: error: Ambiguous occurrence ‘dateTimeFmt’ It could refer to either ‘Data.Time.Format.dateTimeFmt’, imported from ‘Data.Time.Format’ at Web/Herringbone/Internal/Types.hs:11:1-23 (and originally defined in ‘time-1.6.0.1:Data.Time.Format.Locale’) or ‘System.Locale.dateTimeFmt’, imported from ‘System.Locale’ at Web/Herringbone/Internal/Types.hs:12:1-20 Web/Herringbone/Internal/Types.hs:192:62: error: Ambiguous occurrence ‘defaultTimeLocale’ It could refer to either ‘Data.Time.Format.defaultTimeLocale’, imported from ‘Data.Time.Format’ at Web/Herringbone/Internal/Types.hs:11:1-23 (and originally defined in ‘time-1.6.0.1:Data.Time.Format.Locale’) or ‘System.Locale.defaultTimeLocale’, imported from ‘System.Locale’ at Web/Herringbone/Internal/Types.hs:12:1-20 cabal: Leaving directory '/tmp/cabal-tmp-15885/herringbone-0.1.0' cabal: Error: some packages failed to install: herringbone-0.1.0 failed during the building phase. The exception was: ExitFailure 1