Resolving dependencies... Configuring ansi-terminal-0.6.2.3... Downloading refact-0.3.0.2... Configuring base-compat-0.9.1... Building ansi-terminal-0.6.2.3... Building base-compat-0.9.1... Installed ansi-terminal-0.6.2.3 Configuring base-orphans-0.5.4... Configuring base-unicode-symbols-0.2.2.4... Installed base-compat-0.9.1 Building base-orphans-0.5.4... Building base-unicode-symbols-0.2.2.4... Configuring clock-0.7.2... Installed base-orphans-0.5.4 Building clock-0.7.2... Configuring cmdargs-0.10.14... Installed base-unicode-symbols-0.2.2.4 Building cmdargs-0.10.14... Configuring data-default-class-0.1.2.0... Installed clock-0.7.2 Building data-default-class-0.1.2.0... Configuring dlist-0.8.0.2... Installed data-default-class-0.1.2.0 Building dlist-0.8.0.2... Configuring ghc-paths-0.1.0.9... Installed dlist-0.8.0.2 Building ghc-paths-0.1.0.9... Configuring haddock-library-1.4.2... Installed ghc-paths-0.1.0.9 Building haddock-library-1.4.2... Configuring groups-0.4.0.0... Installed haddock-library-1.4.2 Configuring hinotify-0.3.8.1... Installed cmdargs-0.10.14 Building groups-0.4.0.0... Building hinotify-0.3.8.1... Configuring hscolour-1.24.1... Installed groups-0.4.0.0 Building hscolour-1.24.1... Configuring monad-loops-0.4.3... Installed hinotify-0.3.8.1 Building monad-loops-0.4.3... Configuring mtl-2.2.1... Installed monad-loops-0.4.3 Building mtl-2.2.1... Configuring network-2.6.3.1... Installed hscolour-1.24.1 Configuring old-locale-1.0.0.7... Installed mtl-2.2.1 Building old-locale-1.0.0.7... Configuring parallel-3.2.1.0... Installed old-locale-1.0.0.7 Building network-2.6.3.1... Building parallel-3.2.1.0... Configuring prelude-extras-0.4.0.3... Installed parallel-3.2.1.0 Building prelude-extras-0.4.0.3... Configuring primitive-0.6.1.0... Installed prelude-extras-0.4.0.3 Building primitive-0.6.1.0... 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 reflection-2.1.2... Installed primitive-0.6.1.0 Building reflection-2.1.2... Configuring syb-0.6... Installed stm-2.4.4.1 Building syb-0.6... Configuring time-locale-compat-0.1.1.3... Installed syb-0.6 Downloading ghc-syb-utils-0.2.3... Building time-locale-compat-0.1.1.3... Configuring text-1.2.2.1... Installed reflection-2.1.2 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... Configuring unix-compat-0.4.2.0... Installed transformers-compat-0.5.1.4 Building unix-compat-0.4.2.0... Installed unix-compat-0.4.2.0 Configuring refact-0.3.0.2... Building refact-0.3.0.2... Installed refact-0.3.0.2 Configuring ansi-wl-pprint-0.6.7.3... Building ansi-wl-pprint-0.6.7.3... Installed ansi-wl-pprint-0.6.7.3 Configuring data-default-instances-containers-0.0.1... Building data-default-instances-containers-0.0.1... Configuring data-default-instances-dlist-0.0.1... Installed data-default-instances-containers-0.0.1 Building data-default-instances-dlist-0.0.1... Configuring extra-1.5.1... Installed data-default-instances-dlist-0.0.1 Building extra-1.5.1... Configuring haddock-api-2.17.3... Installed text-1.2.2.1 Downloading hformat-0.1.0.1... Building haddock-api-2.17.3... Configuring regex-base-0.93.2... Failed to install haddock-api-2.17.3 Build log ( /home/builder/.cabal/logs/haddock-api-2.17.3.log ): cabal: Entering directory '/tmp/cabal-tmp-6298/haddock-api-2.17.3' Configuring haddock-api-2.17.3... Building haddock-api-2.17.3... Preprocessing library haddock-api-2.17.3... [ 1 of 38] Compiling Paths_haddock_api ( dist/build/autogen/Paths_haddock_api.hs, dist/build/Paths_haddock_api.o ) [ 2 of 38] Compiling Haddock.Version ( src/Haddock/Version.hs, dist/build/Haddock/Version.o ) [ 3 of 38] Compiling Haddock.Syb ( src/Haddock/Syb.hs, dist/build/Haddock/Syb.o ) [ 4 of 38] Compiling Haddock.Parser ( src/Haddock/Parser.hs, dist/build/Haddock/Parser.o ) [ 5 of 38] Compiling Haddock.GhcUtils ( src/Haddock/GhcUtils.hs, dist/build/Haddock/GhcUtils.o ) src/Haddock/GhcUtils.hs:20:1: warning: [-Wunused-imports] The import of ‘Data.Function’ is redundant except perhaps to import instances from ‘Data.Function’ To import instances alone, use: import Data.Function() src/Haddock/GhcUtils.hs:27:1: warning: [-Wunused-imports] The import of ‘RdrName’ is redundant except perhaps to import instances from ‘RdrName’ To import instances alone, use: import RdrName() src/Haddock/GhcUtils.hs:28:1: warning: [-Wunused-imports] The import of ‘GhcMonad’ is redundant except perhaps to import instances from ‘GhcMonad’ To import instances alone, use: import GhcMonad() src/Haddock/GhcUtils.hs:30:1: warning: [-Wunused-imports] The import of ‘UniqFM’ is redundant except perhaps to import instances from ‘UniqFM’ To import instances alone, use: import UniqFM() [ 6 of 38] Compiling Haddock.Backends.Xhtml.Types ( src/Haddock/Backends/Xhtml/Types.hs, dist/build/Haddock/Backends/Xhtml/Types.o ) [ 7 of 38] Compiling Haddock.Backends.Hyperlinker.Types ( src/Haddock/Backends/Hyperlinker/Types.hs, dist/build/Haddock/Backends/Hyperlinker/Types.o ) [ 8 of 38] Compiling Haddock.Types ( src/Haddock/Types.hs, dist/build/Haddock/Types.o ) src/Haddock/Types.hs:451:10: error: Duplicate instance declarations: instance NFData Name -- Defined at src/Haddock/Types.hs:451:10 instance NFData Name -- Defined in ‘Name’ src/Haddock/Types.hs:452:10: error: Duplicate instance declarations: instance NFData OccName -- Defined at src/Haddock/Types.hs:452:10 instance NFData OccName -- Defined in ‘OccName’ src/Haddock/Types.hs:453:10: error: Duplicate instance declarations: instance NFData ModuleName -- Defined at src/Haddock/Types.hs:453:10 instance NFData ModuleName -- Defined in ‘Module’ cabal: Leaving directory '/tmp/cabal-tmp-6298/haddock-api-2.17.3' Building regex-base-0.93.2... Configuring data-default-instances-old-locale-0.0.1... Installed extra-1.5.1 Building data-default-instances-old-locale-0.0.1... Configuring old-time-1.1.0.3... Installed regex-base-0.93.2 Installed data-default-instances-old-locale-0.0.1 Configuring vector-0.11.0.0... Building vector-0.11.0.0... Building old-time-1.1.0.3... Configuring SafeSemaphore-0.10.1... Installed old-time-1.1.0.3 Building SafeSemaphore-0.10.1... Configuring StateVar-1.1.0.4... Installed SafeSemaphore-0.10.1 Building StateVar-1.1.0.4... Configuring ghc-syb-utils-0.2.3... Installed StateVar-1.1.0.4 Building ghc-syb-utils-0.2.3... Configuring exceptions-0.8.3... Installed ghc-syb-utils-0.2.3 Building exceptions-0.8.3... Configuring async-2.1.1... Installed exceptions-0.8.3 Building async-2.1.1... Configuring tagged-0.8.5... Installed async-2.1.1 Downloading simple-log-0.4.0... Building tagged-0.8.5... Configuring transformers-base-0.4.4... Installed vector-0.11.0.0 Building transformers-base-0.4.4... Installed tagged-0.8.5 Configuring optparse-applicative-0.12.1.0... Building optparse-applicative-0.12.1.0... Installed transformers-base-0.4.4 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Configuring polyparse-1.12... Installed hashable-1.2.4.0 Building polyparse-1.12... Configuring parsec-3.1.11... Installed optparse-applicative-0.12.1.0 Building parsec-3.1.11... Configuring hformat-0.1.0.1... Installed polyparse-1.12 Building hformat-0.1.0.1... Configuring data-default-0.7.1.1... Installed parsec-3.1.11 Building data-default-0.7.1.1... Configuring regex-pcre-builtin-0.94.4.8.8.35... Installed hformat-0.1.0.1 Configuring fsnotify-0.2.1... Installed data-default-0.7.1.1 Building regex-pcre-builtin-0.94.4.8.8.35... Building fsnotify-0.2.1... Installed fsnotify-0.2.1 Configuring distributive-0.5.0.2... Building distributive-0.5.0.2... Configuring simple-log-0.4.0... Installed distributive-0.5.0.2 Building simple-log-0.4.0... Installed regex-pcre-builtin-0.94.4.8.8.35 Configuring monad-control-1.0.1.0... Building monad-control-1.0.1.0... Configuring scientific-0.3.4.9... Installed monad-control-1.0.1.0 Configuring unordered-containers-0.2.7.1... Installed simple-log-0.4.0 Building scientific-0.3.4.9... Building unordered-containers-0.2.7.1... Configuring void-0.7.1... Installed scientific-0.3.4.9 Building void-0.7.1... Configuring cpphs-1.20.2... Installed void-0.7.1 Building cpphs-1.20.2... Configuring network-uri-2.6.1.0... Installed unordered-containers-0.2.7.1 Building network-uri-2.6.1.0... Installed network-uri-2.6.1.0 Configuring lifted-base-0.2.3.8... Building lifted-base-0.2.3.8... Configuring attoparsec-0.13.1.0... Installed cpphs-1.20.2 Downloading haskell-src-exts-1.17.1... Building attoparsec-0.13.1.0... Configuring contravariant-1.4... Installed lifted-base-0.2.3.8 Building contravariant-1.4... Configuring HTTP-4000.3.3... Installed contravariant-1.4 Building HTTP-4000.3.3... Configuring uniplate-1.6.12... Installed attoparsec-0.13.1.0 Building uniplate-1.6.12... Installed HTTP-4000.3.3 Configuring haskell-src-exts-1.17.1... Configuring comonad-5... Installed uniplate-1.6.12 Building haskell-src-exts-1.17.1... Building comonad-5... Configuring aeson-1.0.2.1... Installed comonad-5 Building aeson-1.0.2.1... Configuring bifunctors-5.4.1... Installed aeson-1.0.2.1 Building bifunctors-5.4.1... Installed bifunctors-5.4.1 Configuring semigroupoids-5.1... Building semigroupoids-5.1... Configuring aeson-pretty-0.8.2... Installed semigroupoids-5.1 Building aeson-pretty-0.8.2... Configuring profunctors-5.2... Installed aeson-pretty-0.8.2 Building profunctors-5.2... Installed profunctors-5.2 Configuring free-4.12.4... Building free-4.12.4... Installed free-4.12.4 Configuring adjunctions-4.3... Building adjunctions-4.3... Installed adjunctions-4.3 Configuring kan-extensions-5.0.1... Building kan-extensions-5.0.1... Installed kan-extensions-5.0.1 Configuring lens-4.15.1... Building lens-4.15.1... Installed haskell-src-exts-1.17.1 Downloading hlint-1.9.35... Configuring hlint-1.9.35... Building hlint-1.9.35... Installed hlint-1.9.35 Installed lens-4.15.1 Downloading text-region-0.1.0.1... Configuring text-region-0.1.0.1... Building text-region-0.1.0.1... Installed text-region-0.1.0.1 cabal: Error: some packages failed to install: haddock-api-2.17.3 failed during the building phase. The exception was: ExitFailure 1 hdocs-0.5.0.1 depends on haddock-api-2.17.3 which failed to install. hsdev-0.2.0.0 depends on haddock-api-2.17.3 which failed to install.