Resolving dependencies... Configuring ansi-terminal-0.6.2.3... Configuring base-compat-0.9.1... Building ansi-terminal-0.6.2.3... Building base-compat-0.9.1... Configuring cabal-file-th-0.2.4... Installed ansi-terminal-0.6.2.3 Configuring dlist-0.8.0.2... Installed base-compat-0.9.1 Building cabal-file-th-0.2.4... Building dlist-0.8.0.2... Configuring cmdargs-0.10.14... Installed cabal-file-th-0.2.4 Configuring mtl-2.2.1... Installed dlist-0.8.0.2 Building cmdargs-0.10.14... Building mtl-2.2.1... Configuring primitive-0.6.1.0... Installed mtl-2.2.1 Building primitive-0.6.1.0... Configuring semigroups-0.18.2... Installed primitive-0.6.1.0 Building semigroups-0.18.2... Configuring stm-2.4.4.1... Installed semigroups-0.18.2 Building stm-2.4.4.1... Configuring network-2.6.3.1... Installed stm-2.4.4.1 Building network-2.6.3.1... Configuring time-locale-compat-0.1.1.3... Installed cmdargs-0.10.14 Building time-locale-compat-0.1.1.3... Configuring transformers-compat-0.5.1.4... Installed time-locale-compat-0.1.1.3 Building transformers-compat-0.5.1.4... Configuring text-1.2.2.1... Installed transformers-compat-0.5.1.4 Building text-1.2.2.1... Installed network-2.6.3.1 Configuring Glob-0.7.13... Building Glob-0.7.13... Configuring vector-0.11.0.0... Installed Glob-0.7.13 Building vector-0.11.0.0... Configuring exceptions-0.8.3... Installed text-1.2.2.1 Building exceptions-0.8.3... Configuring tagged-0.8.5... Installed exceptions-0.8.3 Building tagged-0.8.5... Configuring transformers-base-0.4.4... Installed tagged-0.8.5 Building transformers-base-0.4.4... Configuring mmorph-1.0.9... Installed transformers-base-0.4.4 Building mmorph-1.0.9... Installed mmorph-1.0.9 Configuring parsec-3.1.11... Building parsec-3.1.11... Configuring hashable-1.2.4.0... Installed vector-0.11.0.0 Building hashable-1.2.4.0... Configuring monad-control-1.0.1.0... Installed hashable-1.2.4.0 Building monad-control-1.0.1.0... Installed parsec-3.1.11 Configuring scientific-0.3.4.9... Building scientific-0.3.4.9... Installed monad-control-1.0.1.0 Configuring unordered-containers-0.2.7.2... Building unordered-containers-0.2.7.2... Installed scientific-0.3.4.9 Configuring network-uri-2.6.1.0... Building network-uri-2.6.1.0... Installed network-uri-2.6.1.0 Configuring lifted-base-0.2.3.8... Building lifted-base-0.2.3.8... Installed unordered-containers-0.2.7.2 Configuring attoparsec-0.13.1.0... Building attoparsec-0.13.1.0... Configuring HTTP-4000.3.3... Installed lifted-base-0.2.3.8 Building HTTP-4000.3.3... Installed attoparsec-0.13.1.0 Configuring enclosed-exceptions-1.0.2... Building enclosed-exceptions-1.0.2... Installed enclosed-exceptions-1.0.2 Configuring resourcet-1.1.9... Building resourcet-1.1.9... Configuring aeson-1.0.2.1... Installed HTTP-4000.3.3 Building aeson-1.0.2.1... Installed resourcet-1.1.9 Configuring conduit-1.2.8... Building conduit-1.2.8... Installed conduit-1.2.8 Installed aeson-1.0.2.1 Configuring yaml-0.8.21.1... Building yaml-0.8.21.1... Installed yaml-0.8.21.1 Configuring kit-0.7.9... Building kit-0.7.9... Failed to install kit-0.7.9 Build log ( /home/builder/.cabal/logs/kit-0.7.9.log ): cabal: Entering directory '/tmp/cabal-tmp-7818/kit-0.7.9' Configuring kit-0.7.9... Building kit-0.7.9... Preprocessing executable 'kit' for kit-0.7.9... [ 1 of 20] Compiling Text.PList ( Text/PList.hs, dist/build/kit/kit-tmp/Text/PList.o ) [ 2 of 20] Compiling Kit.Xcode.Common ( Kit/Xcode/Common.hs, dist/build/kit/kit-tmp/Kit/Xcode/Common.o ) [ 3 of 20] Compiling Kit.Xcode.ProjectFileTemplate ( Kit/Xcode/ProjectFileTemplate.hs, dist/build/kit/kit-tmp/Kit/Xcode/ProjectFileTemplate.o ) [ 4 of 20] Compiling Text.PList.PrettyPrint ( Text/PList/PrettyPrint.hs, dist/build/kit/kit-tmp/Text/PList/PrettyPrint.o ) Text/PList/PrettyPrint.hs:96:1: error: • Non type-variable argument in the constraint: Control.Monad.Writer.Class.MonadWriter [(t1, t)] m (Use FlexibleContexts to permit this) • When checking the inferred type writeToRef :: forall (m :: * -> *) t t1. Control.Monad.Writer.Class.MonadWriter [(t1, t)] m => t1 -> t -> m () cabal: Leaving directory '/tmp/cabal-tmp-7818/kit-0.7.9' cabal: Error: some packages failed to install: kit-0.7.9 failed during the building phase. The exception was: ExitFailure 1