Resolving dependencies... Configuring dlist-0.8.0.2... Configuring base-compat-0.9.1... Building dlist-0.8.0.2... Building base-compat-0.9.1... Configuring primitive-0.6.1.0... Installed dlist-0.8.0.2 Building primitive-0.6.1.0... Configuring mtl-2.2.1... Installed base-compat-0.9.1 Building mtl-2.2.1... Configuring time-locale-compat-0.1.1.3... Installed primitive-0.6.1.0 Configuring text-1.2.2.1... Installed mtl-2.2.1 Building time-locale-compat-0.1.1.3... Building text-1.2.2.1... Configuring transformers-compat-0.5.1.4... Installed time-locale-compat-0.1.1.3 Building transformers-compat-0.5.1.4... Installed transformers-compat-0.5.1.4 Configuring tagged-0.8.5... Building tagged-0.8.5... Configuring vector-0.11.0.0... Installed tagged-0.8.5 Building vector-0.11.0.0... Installed text-1.2.2.1 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Installed hashable-1.2.4.0 Configuring unordered-containers-0.2.7.1... Building unordered-containers-0.2.7.1... Installed unordered-containers-0.2.7.1 Installed vector-0.11.0.0 Configuring scientific-0.3.4.9... Building scientific-0.3.4.9... Installed scientific-0.3.4.9 Configuring attoparsec-0.13.1.0... Building attoparsec-0.13.1.0... Installed attoparsec-0.13.1.0 Configuring aeson-1.0.2.1... Building aeson-1.0.2.1... Installed aeson-1.0.2.1 Configuring react-flux-1.0.6... Building react-flux-1.0.6... Failed to install react-flux-1.0.6 Build log ( /home/builder/.cabal/logs/react-flux-1.0.6.log ): cabal: Entering directory '/tmp/cabal-tmp-10439/react-flux-1.0.6' Configuring react-flux-1.0.6... Building react-flux-1.0.6... Preprocessing library react-flux-1.0.6... [ 1 of 12] Compiling React.Flux.Store ( src/React/Flux/Store.hs, dist/build/React/Flux/Store.o ) [ 2 of 12] Compiling React.Flux.Internal ( src/React/Flux/Internal.hs, dist/build/React/Flux/Internal.o ) [ 3 of 12] Compiling React.Flux.Views ( src/React/Flux/Views.hs, dist/build/React/Flux/Views.o ) src/React/Flux/Views.hs:226:40: error: Not in scope: type constructor or class ‘NFData’ cabal: Leaving directory '/tmp/cabal-tmp-10439/react-flux-1.0.6' cabal: Error: some packages failed to install: react-flux-1.0.6 failed during the building phase. The exception was: ExitFailure 1