Resolving dependencies... Configuring mtl-2.2.1... Configuring safe-0.3.10... Building mtl-2.2.1... Building safe-0.3.10... Installed safe-0.3.10 Configuring syb-0.6... Building syb-0.6... Configuring text-1.2.2.1... Installed mtl-2.2.1 Building text-1.2.2.1... Installed syb-0.6 Installed text-1.2.2.1 Configuring parsec-3.1.11... Configuring hashable-1.2.5.0... Building parsec-3.1.11... Building hashable-1.2.5.0... Installed hashable-1.2.5.0 Configuring unordered-containers-0.2.7.2... Building unordered-containers-0.2.7.2... Installed parsec-3.1.11 Installed unordered-containers-0.2.7.2 Configuring uniplate-1.6.12... Building uniplate-1.6.12... Installed uniplate-1.6.12 Configuring hoogle-4.0.0.2... Building hoogle-4.0.0.2... Failed to install hoogle-4.0.0.2 Build log ( /home/builder/.cabal/logs/hoogle-4.0.0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-17935/hoogle-4.0.0.2' Configuring hoogle-4.0.0.2... Building hoogle-4.0.0.2... Preprocessing executable 'hoogle' for hoogle-4.0.0.2... [ 1 of 76] Compiling Web.Page ( src/Web/Page.hs, dist/build/hoogle/hoogle-tmp/Web/Page.o ) [ 2 of 76] Compiling Test.General ( src/Test/General.hs, dist/build/hoogle/hoogle-tmp/Test/General.o ) src/Test/General.hs:11:10: error: • No instance for (Applicative Test) arising from the superclasses of an instance declaration • In the instance declaration for ‘Monad Test’ src/Test/General.hs:35:10: error: • No instance for (Applicative (List a)) arising from the superclasses of an instance declaration • In the instance declaration for ‘Monad (List a)’ cabal: Leaving directory '/tmp/cabal-tmp-17935/hoogle-4.0.0.2' cabal: Error: some packages failed to install: hoogle-4.0.0.2 failed during the building phase. The exception was: ExitFailure 1