Resolving dependencies... cabal: Entering directory '/tmp/cabal-tmp-29264/base-unicode-symbols-0.2.2.4' Configuring base-unicode-symbols-0.2.2.4... Building base-unicode-symbols-0.2.2.4... Preprocessing library base-unicode-symbols-0.2.2.4... [ 1 of 12] Compiling Data.Ord.Unicode ( Data/Ord/Unicode.hs, dist/build/Data/Ord/Unicode.o ) [ 2 of 12] Compiling Data.Monoid.Unicode ( Data/Monoid/Unicode.hs, dist/build/Data/Monoid/Unicode.o ) [ 3 of 12] Compiling Data.List.Unicode ( Data/List/Unicode.hs, dist/build/Data/List/Unicode.o ) [ 4 of 12] Compiling Data.Function.Unicode ( Data/Function/Unicode.hs, dist/build/Data/Function/Unicode.o ) [ 5 of 12] Compiling Data.Foldable.Unicode ( Data/Foldable/Unicode.hs, dist/build/Data/Foldable/Unicode.o ) [ 6 of 12] Compiling Data.Eq.Unicode ( Data/Eq/Unicode.hs, dist/build/Data/Eq/Unicode.o ) [ 7 of 12] Compiling Data.Bool.Unicode ( Data/Bool/Unicode.hs, dist/build/Data/Bool/Unicode.o ) [ 8 of 12] Compiling Prelude.Unicode ( Prelude/Unicode.hs, dist/build/Prelude/Unicode.o ) [ 9 of 12] Compiling Control.Monad.Unicode ( Control/Monad/Unicode.hs, dist/build/Control/Monad/Unicode.o ) [10 of 12] Compiling Control.Category.Unicode ( Control/Category/Unicode.hs, dist/build/Control/Category/Unicode.o ) [11 of 12] Compiling Control.Arrow.Unicode ( Control/Arrow/Unicode.hs, dist/build/Control/Arrow/Unicode.o ) [12 of 12] Compiling Control.Applicative.Unicode ( Control/Applicative/Unicode.hs, dist/build/Control/Applicative/Unicode.o ) Running Haddock for base-unicode-symbols-0.2.2.4... Running hscolour for base-unicode-symbols-0.2.2.4... Preprocessing library base-unicode-symbols-0.2.2.4... Preprocessing library base-unicode-symbols-0.2.2.4... Haddock coverage: 100% ( 5 / 5) in 'Data.Ord.Unicode' 100% ( 3 / 3) in 'Data.Monoid.Unicode' 100% ( 10 / 10) in 'Data.List.Unicode' 100% ( 2 / 2) in 'Data.Function.Unicode' 100% ( 5 / 5) in 'Data.Foldable.Unicode' 100% ( 4 / 4) in 'Data.Eq.Unicode' 100% ( 4 / 4) in 'Data.Bool.Unicode' 100% ( 21 / 21) in 'Prelude.Unicode' 100% ( 4 / 4) in 'Control.Monad.Unicode' 100% ( 4 / 4) in 'Control.Category.Unicode' 100% ( 6 / 6) in 'Control.Arrow.Unicode' 100% ( 3 / 3) in 'Control.Applicative.Unicode' Documentation created: dist/doc/html/base-unicode-symbols/index.html, dist/doc/html/base-unicode-symbols/base-unicode-symbols.txt Creating package registration file: /tmp/pkgConf-base-unicode-symbols-0.2.22145174067468703135.4 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-8.0.1.20160701/base-unicode-symbols-0.2.2.4-L8AjmazQitAEQ7hSQq5LiD Registering base-unicode-symbols-0.2.2.4... cabal: Leaving directory '/tmp/cabal-tmp-29264/base-unicode-symbols-0.2.2.4' Installed base-unicode-symbols-0.2.2.4 cabal: Entering directory '/tmp/cabal-tmp-29264/mmtl-0.1' Configuring mmtl-0.1... Building mmtl-0.1... Preprocessing library mmtl-0.1... Control/Monad/Cont.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead Control/Monad/Cont/Class.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead Control/Monad/Error.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead Control/Monad/Error/Class.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead Control/Monad/List.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead Control/Monad/Reader/Class.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead Control/Monad/Writer/Class.hs:1:12: warning: -fallow-undecidable-instances is deprecated: use -XUndecidableInstances or pragma {-# LANGUAGE UndecidableInstances #-} instead [ 1 of 18] Compiling Control.Monad.Writer.Class ( Control/Monad/Writer/Class.hs, dist/build/Control/Monad/Writer/Class.o ) Control/Monad/Writer/Class.hs:30:1: warning: [-Wunused-imports] The import of ‘Data.Monoid’ is redundant except perhaps to import instances from ‘Data.Monoid’ To import instances alone, use: import Data.Monoid() [ 2 of 18] Compiling Control.Monad.State.Class ( Control/Monad/State/Class.hs, dist/build/Control/Monad/State/Class.o ) [ 3 of 18] Compiling Control.Monad.Reader.Class ( Control/Monad/Reader/Class.hs, dist/build/Control/Monad/Reader/Class.o ) [ 4 of 18] Compiling Control.Monad.Identity ( Control/Monad/Identity.hs, dist/build/Control/Monad/Identity.o ) Control/Monad/Identity.hs:90:10: error: • No instance for (Applicative Identity) arising from the superclasses of an instance declaration • In the instance declaration for ‘Monad Identity’ cabal: Leaving directory '/tmp/cabal-tmp-29264/mmtl-0.1' Failed to install mmtl-0.1 cabal: Error: some packages failed to install: FailureT-15778.1 depends on mmtl-0.1 which failed to install. mmtl-0.1 failed during the building phase. The exception was: ExitFailure 1