Resolving dependencies... Configuring syb-0.5.1... Building syb-0.5.1... Preprocessing library syb-0.5.1... [ 1 of 16] Compiling Data.Generics.Basics ( src/Data/Generics/Basics.hs, dist/build/Data/Generics/Basics.o ) [ 2 of 16] Compiling Generics.SYB.Basics ( src/Generics/SYB/Basics.hs, dist/build/Generics/SYB/Basics.o ) [ 3 of 16] Compiling Data.Generics.Instances ( src/Data/Generics/Instances.hs, dist/build/Data/Generics/Instances.o ) [ 4 of 16] Compiling Generics.SYB.Instances ( src/Generics/SYB/Instances.hs, dist/build/Generics/SYB/Instances.o ) [ 5 of 16] Compiling Data.Generics.Aliases ( src/Data/Generics/Aliases.hs, dist/build/Data/Generics/Aliases.o ) [ 6 of 16] Compiling Data.Generics.Schemes ( src/Data/Generics/Schemes.hs, dist/build/Data/Generics/Schemes.o ) [ 7 of 16] Compiling Generics.SYB.Schemes ( src/Generics/SYB/Schemes.hs, dist/build/Generics/SYB/Schemes.o ) [ 8 of 16] Compiling Data.Generics.Text ( src/Data/Generics/Text.hs, dist/build/Data/Generics/Text.o ) [ 9 of 16] Compiling Generics.SYB.Text ( src/Generics/SYB/Text.hs, dist/build/Generics/SYB/Text.o ) [10 of 16] Compiling Data.Generics.Twins ( src/Data/Generics/Twins.hs, dist/build/Data/Generics/Twins.o ) [11 of 16] Compiling Generics.SYB.Twins ( src/Generics/SYB/Twins.hs, dist/build/Generics/SYB/Twins.o ) [12 of 16] Compiling Data.Generics.Builders ( src/Data/Generics/Builders.hs, dist/build/Data/Generics/Builders.o ) [13 of 16] Compiling Generics.SYB.Builders ( src/Generics/SYB/Builders.hs, dist/build/Generics/SYB/Builders.o ) [14 of 16] Compiling Generics.SYB.Aliases ( src/Generics/SYB/Aliases.hs, dist/build/Generics/SYB/Aliases.o ) [15 of 16] Compiling Data.Generics ( src/Data/Generics.hs, dist/build/Data/Generics.o ) [16 of 16] Compiling Generics.SYB ( src/Generics/SYB.hs, dist/build/Generics/SYB.o ) In-place registering syb-0.5.1... Running Haddock for syb-0.5.1... Running hscolour for syb-0.5.1... Preprocessing library syb-0.5.1... Preprocessing library syb-0.5.1... Haddock coverage: 100% ( 2 / 2) in 'Data.Generics.Basics' 100% ( 2 / 2) in 'Generics.SYB.Basics' 100% ( 1 / 1) in 'Data.Generics.Instances' 100% ( 1 / 1) in 'Generics.SYB.Instances' 96% ( 43 / 45) in 'Data.Generics.Aliases' 100% ( 19 / 19) in 'Data.Generics.Schemes' 100% ( 2 / 2) in 'Generics.SYB.Schemes' 100% ( 6 / 6) in 'Data.Generics.Text' 100% ( 2 / 2) in 'Generics.SYB.Text' 100% ( 17 / 17) in 'Data.Generics.Twins' 100% ( 2 / 2) in 'Generics.SYB.Twins' 100% ( 3 / 3) in 'Data.Generics.Builders' 100% ( 2 / 2) in 'Generics.SYB.Builders' 100% ( 2 / 2) in 'Generics.SYB.Aliases' 100% ( 8 / 8) in 'Data.Generics' 100% ( 2 / 2) in 'Generics.SYB' Documentation created: dist/doc/html/syb/index.html, dist/doc/html/syb/syb.txt Creating package registration file: /tmp/pkgConf-syb-0.531280.1 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/syb-0.5.1 Registering syb-0.5.1... Installed syb-0.5.1 Configuring transformers-0.4.3.0... Building transformers-0.4.3.0... Preprocessing library transformers-0.4.3.0... [ 1 of 28] Compiling Data.Functor.Identity ( oldsrc/Data/Functor/Identity.hs, dist/build/Data/Functor/Identity.o ) [ 2 of 28] Compiling Control.Monad.Trans.Class ( Control/Monad/Trans/Class.hs, dist/build/Control/Monad/Trans/Class.o ) [ 3 of 28] Compiling Control.Monad.Signatures ( Control/Monad/Signatures.hs, dist/build/Control/Monad/Signatures.o ) [ 4 of 28] Compiling Control.Monad.IO.Class ( Control/Monad/IO/Class.hs, dist/build/Control/Monad/IO/Class.o ) [ 5 of 28] Compiling Control.Monad.Trans.Cont ( Control/Monad/Trans/Cont.hs, dist/build/Control/Monad/Trans/Cont.o ) [ 6 of 28] Compiling Control.Monad.Trans.Reader ( Control/Monad/Trans/Reader.hs, dist/build/Control/Monad/Trans/Reader.o ) [ 7 of 28] Compiling Control.Monad.Trans.RWS.Lazy ( Control/Monad/Trans/RWS/Lazy.hs, dist/build/Control/Monad/Trans/RWS/Lazy.o ) [ 8 of 28] Compiling Control.Monad.Trans.RWS ( Control/Monad/Trans/RWS.hs, dist/build/Control/Monad/Trans/RWS.o ) [ 9 of 28] Compiling Control.Monad.Trans.RWS.Strict ( Control/Monad/Trans/RWS/Strict.hs, dist/build/Control/Monad/Trans/RWS/Strict.o ) [10 of 28] Compiling Control.Monad.Trans.State.Lazy ( Control/Monad/Trans/State/Lazy.hs, dist/build/Control/Monad/Trans/State/Lazy.o ) [11 of 28] Compiling Control.Monad.Trans.State ( Control/Monad/Trans/State.hs, dist/build/Control/Monad/Trans/State.o ) [12 of 28] Compiling Control.Monad.Trans.State.Strict ( Control/Monad/Trans/State/Strict.hs, dist/build/Control/Monad/Trans/State/Strict.o ) [13 of 28] Compiling Data.Functor.Classes ( Data/Functor/Classes.hs, dist/build/Data/Functor/Classes.o ) [14 of 28] Compiling Data.Functor.Constant ( Data/Functor/Constant.hs, dist/build/Data/Functor/Constant.o ) [15 of 28] Compiling Control.Applicative.Lift ( Control/Applicative/Lift.hs, dist/build/Control/Applicative/Lift.o ) [16 of 28] Compiling Control.Monad.Trans.Except ( Control/Monad/Trans/Except.hs, dist/build/Control/Monad/Trans/Except.o ) [17 of 28] Compiling Control.Monad.Trans.Error ( Control/Monad/Trans/Error.hs, dist/build/Control/Monad/Trans/Error.o ) [18 of 28] Compiling Control.Monad.Trans.Identity ( Control/Monad/Trans/Identity.hs, dist/build/Control/Monad/Trans/Identity.o ) [19 of 28] Compiling Control.Monad.Trans.List ( Control/Monad/Trans/List.hs, dist/build/Control/Monad/Trans/List.o ) [20 of 28] Compiling Control.Monad.Trans.Maybe ( Control/Monad/Trans/Maybe.hs, dist/build/Control/Monad/Trans/Maybe.o ) [21 of 28] Compiling Control.Monad.Trans.Writer.Lazy ( Control/Monad/Trans/Writer/Lazy.hs, dist/build/Control/Monad/Trans/Writer/Lazy.o ) [22 of 28] Compiling Control.Monad.Trans.Writer ( Control/Monad/Trans/Writer.hs, dist/build/Control/Monad/Trans/Writer.o ) [23 of 28] Compiling Control.Monad.Trans.Writer.Strict ( Control/Monad/Trans/Writer/Strict.hs, dist/build/Control/Monad/Trans/Writer/Strict.o ) [24 of 28] Compiling Data.Functor.Compose ( Data/Functor/Compose.hs, dist/build/Data/Functor/Compose.o ) [25 of 28] Compiling Data.Functor.Product ( Data/Functor/Product.hs, dist/build/Data/Functor/Product.o ) [26 of 28] Compiling Data.Functor.Sum ( Data/Functor/Sum.hs, dist/build/Data/Functor/Sum.o ) [27 of 28] Compiling Control.Applicative.Backwards ( Control/Applicative/Backwards.hs, dist/build/Control/Applicative/Backwards.o ) [28 of 28] Compiling Data.Functor.Reverse ( Data/Functor/Reverse.hs, dist/build/Data/Functor/Reverse.o ) In-place registering transformers-0.4.3.0... Running Haddock for transformers-0.4.3.0... Running hscolour for transformers-0.4.3.0... Preprocessing library transformers-0.4.3.0... Preprocessing library transformers-0.4.3.0... Haddock coverage: 100% ( 2 / 2) in 'Data.Functor.Identity' 100% ( 14 / 14) in 'Control.Monad.Trans.Class' 100% ( 5 / 5) in 'Control.Monad.Signatures' 100% ( 2 / 2) in 'Control.Monad.IO.Class' 100% ( 22 / 22) in 'Control.Monad.Trans.Cont' 100% ( 18 / 18) in 'Control.Monad.Trans.Reader' 100% ( 37 / 37) in 'Control.Monad.Trans.RWS.Lazy' 100% ( 2 / 2) in 'Control.Monad.Trans.RWS' 100% ( 37 / 37) in 'Control.Monad.Trans.RWS.Strict' 100% ( 34 / 34) in 'Control.Monad.Trans.State.Lazy' 100% ( 2 / 2) in 'Control.Monad.Trans.State' 100% ( 34 / 34) in 'Control.Monad.Trans.State.Strict' 100% ( 15 / 15) in 'Data.Functor.Classes' 100% ( 2 / 2) in 'Data.Functor.Constant' 100% ( 9 / 9) in 'Control.Applicative.Lift' 100% ( 19 / 19) in 'Control.Monad.Trans.Except' 100% ( 15 / 15) in 'Control.Monad.Trans.Error' 100% ( 7 / 7) in 'Control.Monad.Trans.Identity' 100% ( 7 / 7) in 'Control.Monad.Trans.List' 100% ( 12 / 12) in 'Control.Monad.Trans.Maybe' 100% ( 20 / 20) in 'Control.Monad.Trans.Writer.Lazy' 100% ( 2 / 2) in 'Control.Monad.Trans.Writer' 100% ( 20 / 20) in 'Control.Monad.Trans.Writer.Strict' 100% ( 2 / 2) in 'Data.Functor.Compose' 100% ( 2 / 2) in 'Data.Functor.Product' 100% ( 2 / 2) in 'Data.Functor.Sum' 100% ( 2 / 2) in 'Control.Applicative.Backwards' 100% ( 2 / 2) in 'Data.Functor.Reverse' Documentation created: dist/doc/html/transformers/index.html, dist/doc/html/transformers/transformers.txt Creating package registration file: /tmp/pkgConf-transformers-0.4.331280.0 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/transformers-0.4.3.0 Registering transformers-0.4.3.0... Installed transformers-0.4.3.0 Configuring type-equality-0.1.2... Building type-equality-0.1.2... Preprocessing library type-equality-0.1.2... [1 of 1] Compiling Data.Type.Equality ( src/Data/Type/Equality.hs, dist/build/Data/Type/Equality.o ) In-place registering type-equality-0.1.2... Running Haddock for type-equality-0.1.2... Running hscolour for type-equality-0.1.2... Preprocessing library type-equality-0.1.2... Preprocessing library type-equality-0.1.2... Haddock coverage: 100% ( 13 / 13) in 'Data.Type.Equality' Documentation created: dist/doc/html/type-equality/index.html, dist/doc/html/type-equality/type-equality.txt Creating package registration file: /tmp/pkgConf-type-equality-0.131280.2 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/type-equality-0.1.2 Registering type-equality-0.1.2... Installed type-equality-0.1.2 Configuring mtl-2.2.1... Building mtl-2.2.1... Preprocessing library mtl-2.2.1... [ 1 of 22] Compiling Control.Monad.Writer.Class ( Control/Monad/Writer/Class.hs, dist/build/Control/Monad/Writer/Class.o ) [ 2 of 22] Compiling Control.Monad.State.Class ( Control/Monad/State/Class.hs, dist/build/Control/Monad/State/Class.o ) [ 3 of 22] Compiling Control.Monad.Reader.Class ( Control/Monad/Reader/Class.hs, dist/build/Control/Monad/Reader/Class.o ) [ 4 of 22] Compiling Control.Monad.RWS.Class ( Control/Monad/RWS/Class.hs, dist/build/Control/Monad/RWS/Class.o ) [ 5 of 22] Compiling Control.Monad.Identity ( Control/Monad/Identity.hs, dist/build/Control/Monad/Identity.o ) [ 6 of 22] Compiling Control.Monad.Error.Class ( Control/Monad/Error/Class.hs, dist/build/Control/Monad/Error/Class.o ) [ 7 of 22] Compiling Control.Monad.Cont.Class ( Control/Monad/Cont/Class.hs, dist/build/Control/Monad/Cont/Class.o ) [ 8 of 22] Compiling Control.Monad.Trans ( Control/Monad/Trans.hs, dist/build/Control/Monad/Trans.o ) [ 9 of 22] Compiling Control.Monad.Error ( Control/Monad/Error.hs, dist/build/Control/Monad/Error.o ) [10 of 22] Compiling Control.Monad.Except ( Control/Monad/Except.hs, dist/build/Control/Monad/Except.o ) [11 of 22] Compiling Control.Monad.List ( Control/Monad/List.hs, dist/build/Control/Monad/List.o ) [12 of 22] Compiling Control.Monad.RWS.Lazy ( Control/Monad/RWS/Lazy.hs, dist/build/Control/Monad/RWS/Lazy.o ) [13 of 22] Compiling Control.Monad.RWS ( Control/Monad/RWS.hs, dist/build/Control/Monad/RWS.o ) [14 of 22] Compiling Control.Monad.Reader ( Control/Monad/Reader.hs, dist/build/Control/Monad/Reader.o ) [15 of 22] Compiling Control.Monad.RWS.Strict ( Control/Monad/RWS/Strict.hs, dist/build/Control/Monad/RWS/Strict.o ) [16 of 22] Compiling Control.Monad.State.Lazy ( Control/Monad/State/Lazy.hs, dist/build/Control/Monad/State/Lazy.o ) [17 of 22] Compiling Control.Monad.State ( Control/Monad/State.hs, dist/build/Control/Monad/State.o ) [18 of 22] Compiling Control.Monad.State.Strict ( Control/Monad/State/Strict.hs, dist/build/Control/Monad/State/Strict.o ) [19 of 22] Compiling Control.Monad.Writer.Lazy ( Control/Monad/Writer/Lazy.hs, dist/build/Control/Monad/Writer/Lazy.o ) [20 of 22] Compiling Control.Monad.Writer ( Control/Monad/Writer.hs, dist/build/Control/Monad/Writer.o ) [21 of 22] Compiling Control.Monad.Writer.Strict ( Control/Monad/Writer/Strict.hs, dist/build/Control/Monad/Writer/Strict.o ) [22 of 22] Compiling Control.Monad.Cont ( Control/Monad/Cont.hs, dist/build/Control/Monad/Cont.o ) In-place registering mtl-2.2.1... Running Haddock for mtl-2.2.1... Running hscolour for mtl-2.2.1... Preprocessing library mtl-2.2.1... Preprocessing library mtl-2.2.1... Haddock coverage: 75% ( 3 / 4) in 'Control.Monad.Writer.Class' 100% ( 5 / 5) in 'Control.Monad.State.Class' 100% ( 3 / 3) in 'Control.Monad.Reader.Class' 80% ( 4 / 5) in 'Control.Monad.RWS.Class' 100% ( 4 / 4) in 'Control.Monad.Identity' 100% ( 3 / 3) in 'Control.Monad.Error.Class' 50% ( 1 / 2) in 'Control.Monad.Cont.Class' 100% ( 3 / 3) in 'Control.Monad.Trans' 93% ( 14 / 15) in 'Control.Monad.Error' 100% ( 19 / 19) in 'Control.Monad.Except' 100% ( 5 / 5) in 'Control.Monad.List' 95% ( 21 / 22) in 'Control.Monad.RWS.Lazy' 100% ( 2 / 2) in 'Control.Monad.RWS' 96% ( 22 / 23) in 'Control.Monad.Reader' 95% ( 21 / 22) in 'Control.Monad.RWS.Strict' 96% ( 24 / 25) in 'Control.Monad.State.Lazy' 100% ( 2 / 2) in 'Control.Monad.State' 96% ( 24 / 25) in 'Control.Monad.State.Strict' 89% ( 17 / 19) in 'Control.Monad.Writer.Lazy' 100% ( 2 / 2) in 'Control.Monad.Writer' 94% ( 17 / 18) in 'Control.Monad.Writer.Strict' 91% ( 20 / 22) in 'Control.Monad.Cont' Documentation created: dist/doc/html/mtl/index.html, dist/doc/html/mtl/mtl.txt Creating package registration file: /tmp/pkgConf-mtl-2.231280.1 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.8.3/mtl-2.2.1 Registering mtl-2.2.1... Installed mtl-2.2.1 Configuring category-extras-0.44.4... Building category-extras-0.44.4... Preprocessing library category-extras-0.44.4... src/Control/Applicative/Parameterized.hs:1:12: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Comonad.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Comonad/Cofree.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Comonad/Context.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Comonad/Parameterized.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Comonad/Pointer.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Comonad/Reader.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Adjunction.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Adjunction.hs:1:16: Warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead src/Control/Functor/Bifunctor.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Bifunctor.hs:1:16: Warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead src/Control/Functor/Composition.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Contravariant.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Constant.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Constant.hs:1:16: Warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead src/Control/Functor/Extras.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Exponential.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/HigherOrder.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/HigherOrder/Composition.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Strong.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Strong.hs:1:16: Warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead src/Control/Functor/Pointed/Composition.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Representable.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Zap.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Functor/Zap.hs:1:16: Warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead src/Control/Monad/Free.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Monad/Indexed/Cont.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Monad/Parameterized.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Monad/Either.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Hylo.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Cata.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Ana.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Meta.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Futu.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Chrono.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Para.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Dyna.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Apo.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Zygo.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Control/Morphism/Histo.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead src/Data/Void.hs:1:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead [ 1 of 65] Compiling Control.Functor.Representable ( src/Control/Functor/Representable.hs, dist/build/Control/Functor/Representable.o ) [ 2 of 65] Compiling Control.Functor.Full ( src/Control/Functor/Full.hs, dist/build/Control/Functor/Full.o ) [ 3 of 65] Compiling Control.Functor.Indexed ( src/Control/Functor/Indexed.hs, dist/build/Control/Functor/Indexed.o ) [ 4 of 65] Compiling Control.Monad.Indexed ( src/Control/Monad/Indexed.hs, dist/build/Control/Monad/Indexed.o ) [ 5 of 65] Compiling Control.Monad.Indexed.Cont ( src/Control/Monad/Indexed/Cont.hs, dist/build/Control/Monad/Indexed/Cont.o ) [ 6 of 65] Compiling Control.Comonad.Indexed ( src/Control/Comonad/Indexed.hs, dist/build/Control/Comonad/Indexed.o ) [ 7 of 65] Compiling Control.Functor.Pointed ( src/Control/Functor/Pointed.hs, dist/build/Control/Functor/Pointed.o ) [ 8 of 65] Compiling Control.Monad.Either ( src/Control/Monad/Either.hs, dist/build/Control/Monad/Either.o ) src/Control/Monad/Either.hs:38:10: Duplicate instance declarations: instance Applicative (Either e) -- Defined at src/Control/Monad/Either.hs:38:10 instance Applicative (Either e) -- Defined in ‘Control.Applicative’ src/Control/Monad/Either.hs:42:10: Duplicate instance declarations: instance Monad (Either e) -- Defined at src/Control/Monad/Either.hs:42:10 instance Monad (Either e) -- Defined in ‘Data.Either’ src/Control/Monad/Either.hs:47:10: Duplicate instance declarations: instance MonadFix (Either e) -- Defined at src/Control/Monad/Either.hs:47:10 instance MonadFix (Either e) -- Defined in ‘Control.Monad.Fix’ Failed to install category-extras-0.44.4 cabal: Error: some packages failed to install: category-extras-0.44.4 failed during the building phase. The exception was: ExitFailure 1 type-settheory-0.1 depends on category-extras-0.44.4 which failed to install.