Resolving dependencies... Configuring data-binary-ieee754-0.4.4... Configuring mtl-2.2.1... Building data-binary-ieee754-0.4.4... Building mtl-2.2.1... Installed data-binary-ieee754-0.4.4 Configuring network-2.6.3.1... Configuring old-locale-1.0.0.7... Installed mtl-2.2.1 Building network-2.6.3.1... 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 random-1.1... Installed primitive-0.6.1.0 Building random-1.1... Configuring semigroups-0.18.2... Installed network-2.6.3.1 Building semigroups-0.18.2... Configuring stm-2.4.4.1... Installed semigroups-0.18.2 Building stm-2.4.4.1... Configuring text-1.2.2.1... Installed random-1.1 Building text-1.2.2.1... Configuring transformers-compat-0.5.1.4... Installed stm-2.4.4.1 Building transformers-compat-0.5.1.4... Configuring zlib-0.6.1.2... Installed transformers-compat-0.5.1.4 Building zlib-0.6.1.2... Installed zlib-0.6.1.2 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Configuring vector-0.11.0.0... Installed old-time-1.1.0.3 Building vector-0.11.0.0... Configuring async-2.1.1... Installed text-1.2.2.1 Building async-2.1.1... Configuring exceptions-0.8.3... Installed async-2.1.1 Building exceptions-0.8.3... Configuring mmorph-1.0.7... Installed exceptions-0.8.3 Building mmorph-1.0.7... Configuring tf-random-0.5... Installed mmorph-1.0.7 Building tf-random-0.5... Configuring transformers-base-0.4.4... Installed tf-random-0.5 Building transformers-base-0.4.4... Installed transformers-base-0.4.4 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 polyparse-1.12... Installed hashable-1.2.4.0 Configuring QuickCheck-2.9.2... Installed vector-0.11.0.0 Building polyparse-1.12... Building QuickCheck-2.9.2... Configuring monad-control-1.0.1.0... Installed polyparse-1.12 Building monad-control-1.0.1.0... Installed monad-control-1.0.1.0 Configuring unordered-containers-0.2.7.1... Building unordered-containers-0.2.7.1... Configuring void-0.7.1... Installed QuickCheck-2.9.2 Building void-0.7.1... Configuring streaming-commons-0.1.16... Installed void-0.7.1 Configuring scientific-0.3.4.9... Installed unordered-containers-0.2.7.1 Building streaming-commons-0.1.16... Building scientific-0.3.4.9... Configuring lifted-base-0.2.3.8... Installed scientific-0.3.4.9 Building lifted-base-0.2.3.8... Configuring cpphs-1.20.2... Installed streaming-commons-0.1.16 Building cpphs-1.20.2... Installed lifted-base-0.2.3.8 Configuring resourcet-1.1.8.1... Building resourcet-1.1.8.1... Configuring attoparsec-0.13.1.0... Installed resourcet-1.1.8.1 Building attoparsec-0.13.1.0... Configuring conduit-1.2.8... Installed cpphs-1.20.2 Building conduit-1.2.8... Failed to install conduit-1.2.8 Build log ( /home/builder/.cabal/logs/conduit-1.2.8.log ): cabal: Entering directory '/tmp/cabal-tmp-4388/conduit-1.2.8' Configuring conduit-1.2.8... Building conduit-1.2.8... Preprocessing library conduit-1.2.8... [1 of 8] Compiling Data.Conduit.Internal.Pipe ( Data/Conduit/Internal/Pipe.hs, dist/build/Data/Conduit/Internal/Pipe.o ) Data/Conduit/Internal/Pipe.hs:575:13: error: • Could not deduce (Monad m) arising from a use of ‘transPipe’ from the context: Functor m bound by the type signature for: hoist :: Functor m => (forall a. m a -> n a) -> Pipe l i o u m b -> Pipe l i o u n b at Data/Conduit/Internal/Pipe.hs:575:5-9 Possible fix: add (Monad m) to the context of the type signature for: hoist :: Functor m => (forall a. m a -> n a) -> Pipe l i o u m b -> Pipe l i o u n b • In the expression: transPipe In an equation for ‘hoist’: hoist = transPipe In the instance declaration for ‘MFunctor (Pipe l i o u)’ cabal: Leaving directory '/tmp/cabal-tmp-4388/conduit-1.2.8' Configuring haskell-src-exts-1.19.0... Building haskell-src-exts-1.19.0... Installed attoparsec-0.13.1.0 Installed haskell-src-exts-1.19.0 Configuring groom-0.1.2... Building groom-0.1.2... Installed groom-0.1.2 Configuring data-msgpack-0.0.8... Building data-msgpack-0.0.8... Installed data-msgpack-0.0.8 cabal: Error: some packages failed to install: binary-conduit-1.2.4.1 depends on conduit-1.2.8 which failed to install. conduit-1.2.8 failed during the building phase. The exception was: ExitFailure 1 conduit-extra-1.1.15 depends on conduit-1.2.8 which failed to install. network-msgpack-rpc-0.0.1 depends on conduit-1.2.8 which failed to install.