Resolving dependencies...
Configuring ansi-terminal-0.6.3...
Configuring base-compat-0.9.3...
Building ansi-terminal-0.6.3...
Building base-compat-0.9.3...
Configuring base-unicode-symbols-0.2.2.4...
Installed ansi-terminal-0.6.3
Building base-unicode-symbols-0.2.2.4...
Configuring base-orphans-0.6...
Installed base-compat-0.9.3
Building base-orphans-0.6...
Configuring cabal-doctest-1.0.2...
Installed base-unicode-symbols-0.2.2.4
Building cabal-doctest-1.0.2...
Configuring clock-0.7.2...
Installed base-orphans-0.6
Building clock-0.7.2...
Configuring cmdargs-0.10.17...
Installed cabal-doctest-1.0.2
Building cmdargs-0.10.17...
Configuring dlist-0.8.0.2...
Installed clock-0.7.2
Building dlist-0.8.0.2...
Configuring data-default-class-0.1.2.0...
Installed dlist-0.8.0.2
Building data-default-class-0.1.2.0...
Configuring ghc-paths-0.1.0.9...
Installed data-default-class-0.1.2.0
Building ghc-paths-0.1.0.9...
Configuring fail-4.9.0.0...
Installed ghc-paths-0.1.0.9
Building fail-4.9.0.0...
Configuring groups-0.4.0.0...
Installed fail-4.9.0.0
Building groups-0.4.0.0...
Configuring haddock-library-1.4.3...
Installed groups-0.4.0.0
Building haddock-library-1.4.3...
Configuring hscolour-1.24.1...
Installed cmdargs-0.10.17
Building hscolour-1.24.1...
Configuring microlens-0.4.8.0...
Installed haddock-library-1.4.3
Building microlens-0.4.8.0...
Configuring integer-logarithms-1.0.1...
Installed microlens-0.4.8.0
Building integer-logarithms-1.0.1...
Configuring monad-loops-0.4.3...
Installed hscolour-1.24.1
Configuring mtl-2.2.1...
Installed integer-logarithms-1.0.1
Building monad-loops-0.4.3...
Building mtl-2.2.1...
Configuring old-locale-1.0.0.7...
Installed monad-loops-0.4.3
Building old-locale-1.0.0.7...
Configuring network-2.6.3.1...
Installed old-locale-1.0.0.7
Configuring prelude-extras-0.4.0.3...
Installed mtl-2.2.1
Building prelude-extras-0.4.0.3...
Building network-2.6.3.1...
Configuring parallel-3.2.1.1...
Installed prelude-extras-0.4.0.3
Building parallel-3.2.1.1...
Configuring random-1.1...
Installed parallel-3.2.1.1
Building random-1.1...
Configuring primitive-0.6.2.0...
Installed network-2.6.3.1
Building primitive-0.6.2.0...
Configuring refact-0.3.0.2...
Installed random-1.1
Building refact-0.3.0.2...
Configuring reflection-2.1.2...
Installed refact-0.3.0.2
Building reflection-2.1.2...
Configuring semigroups-0.18.3...
Installed primitive-0.6.2.0
Building semigroups-0.18.3...
Configuring stm-2.4.4.1...
Installed semigroups-0.18.3
Building stm-2.4.4.1...
Configuring syb-0.7...
Installed reflection-2.1.2
Building syb-0.7...
Configuring time-locale-compat-0.1.1.3...
Installed stm-2.4.4.1
Building time-locale-compat-0.1.1.3...
Configuring text-1.2.2.2...
Installed syb-0.7
Configuring transformers-compat-0.5.1.4...
Installed time-locale-compat-0.1.1.3
Building text-1.2.2.2...
Building transformers-compat-0.5.1.4...
Configuring unix-compat-0.4.3.1...
Installed transformers-compat-0.5.1.4
Building unix-compat-0.4.3.1...
Configuring void-0.7.2...
Installed unix-compat-0.4.3.1
Building void-0.7.2...
Installed void-0.7.2
Configuring ansi-wl-pprint-0.6.7.3...
Building ansi-wl-pprint-0.6.7.3...
Configuring data-default-instances-containers-0.0.1...
Installed ansi-wl-pprint-0.6.7.3
Building data-default-instances-containers-0.0.1...
Configuring extra-1.5.2...
Installed data-default-instances-containers-0.0.1
Building extra-1.5.2...
Configuring data-default-instances-dlist-0.0.1...
Installed text-1.2.2.2
Configuring microlens-ghc-0.4.8.0...
Installed extra-1.5.2
Building data-default-instances-dlist-0.0.1...
Building microlens-ghc-0.4.8.0...
Configuring haddock-api-2.17.4...
Installed data-default-instances-dlist-0.0.1
Building haddock-api-2.17.4...
Configuring data-default-instances-old-locale-0.0.1...
Installed microlens-ghc-0.4.8.0
Building data-default-instances-old-locale-0.0.1...
Configuring microlens-th-0.4.1.1...
Failed to install haddock-api-2.17.4
Build log ( /home/builder/.cabal/logs/haddock-api-2.17.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-27547/haddock-api-2.17.4'
Configuring haddock-api-2.17.4...
Building haddock-api-2.17.4...
Preprocessing library haddock-api-2.17.4...
[ 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:454:10: error:
    Duplicate instance declarations:
      instance NFData Name -- Defined at src/Haddock/Types.hs:454:10
      instance NFData Name -- Defined in ‘Name’

src/Haddock/Types.hs:455:10: error:
    Duplicate instance declarations:
      instance NFData OccName -- Defined at src/Haddock/Types.hs:455:10
      instance NFData OccName -- Defined in ‘OccName’

src/Haddock/Types.hs:456:10: error:
    Duplicate instance declarations:
      instance NFData ModuleName
        -- Defined at src/Haddock/Types.hs:456:10
      instance NFData ModuleName -- Defined in ‘Module’
cabal: Leaving directory '/tmp/cabal-tmp-27547/haddock-api-2.17.4'
Building microlens-th-0.4.1.1...
Configuring old-time-1.1.0.3...
Installed data-default-instances-old-locale-0.0.1
Building old-time-1.1.0.3...
Configuring regex-base-0.93.2...
Installed old-time-1.1.0.3
Building regex-base-0.93.2...
Configuring StateVar-1.1.0.4...
Installed microlens-th-0.4.1.1
Building StateVar-1.1.0.4...
Configuring vector-0.12.0.1...
Installed regex-base-0.93.2
Building vector-0.12.0.1...
Configuring SafeSemaphore-0.10.1...
Installed StateVar-1.1.0.4
Building SafeSemaphore-0.10.1...
Configuring ghc-syb-utils-0.2.3...
Installed SafeSemaphore-0.10.1
Building ghc-syb-utils-0.2.3...
Configuring async-2.1.1.1...
Installed ghc-syb-utils-0.2.3
Building async-2.1.1.1...
Configuring microlens-mtl-0.1.10.0...
Installed async-2.1.1.1
Building microlens-mtl-0.1.10.0...
Configuring exceptions-0.8.3...
Installed microlens-mtl-0.1.10.0
Building exceptions-0.8.3...
Configuring mmorph-1.0.9...
Installed exceptions-0.8.3
Building mmorph-1.0.9...
Configuring tagged-0.8.5...
Installed mmorph-1.0.9
Building tagged-0.8.5...
Configuring transformers-base-0.4.4...
Installed vector-0.12.0.1
Building transformers-base-0.4.4...
Installed tagged-0.8.5
Configuring optparse-applicative-0.13.2.0...
Building optparse-applicative-0.13.2.0...
Configuring hashable-1.2.6.0...
Installed transformers-base-0.4.4
Building hashable-1.2.6.0...
Configuring hformat-0.3.0.0...
Installed hashable-1.2.6.0
Building hformat-0.3.0.0...
Configuring parsec-3.1.11...
Installed optparse-applicative-0.13.2.0
Building parsec-3.1.11...
Configuring data-default-0.7.1.1...
Installed hformat-0.3.0.0
Building data-default-0.7.1.1...
Configuring polyparse-1.12...
Installed data-default-0.7.1.1
Building polyparse-1.12...
Configuring regex-pcre-builtin-0.94.4.8.8.35...
Installed parsec-3.1.11
Building regex-pcre-builtin-0.94.4.8.8.35...
Configuring contravariant-1.4...
Installed polyparse-1.12
Building contravariant-1.4...
Configuring hinotify-0.3.9...
Installed contravariant-1.4
Building hinotify-0.3.9...
Configuring distributive-0.5.2...
Installed regex-pcre-builtin-0.94.4.8.8.35
Installed hinotify-0.3.9
Configuring monad-control-1.0.1.0...
Building distributive-0.5.2...
Building monad-control-1.0.1.0...
Configuring scientific-0.3.4.13...
Installed monad-control-1.0.1.0
Configuring unordered-containers-0.2.8.0...
Installed distributive-0.5.2
Building scientific-0.3.4.13...
Building unordered-containers-0.2.8.0...
Configuring uuid-types-1.0.3...
Installed scientific-0.3.4.13
Building uuid-types-1.0.3...
Configuring network-uri-2.6.1.0...
Installed unordered-containers-0.2.8.0
Configuring cpphs-1.20.5...
Installed uuid-types-1.0.3
Building network-uri-2.6.1.0...
Building cpphs-1.20.5...
Installed network-uri-2.6.1.0
Configuring fsnotify-0.2.1...
Building fsnotify-0.2.1...
Installed fsnotify-0.2.1
Configuring lifted-base-0.2.3.11...
Building lifted-base-0.2.3.11...
Configuring comonad-5.0.1...
Installed cpphs-1.20.5
Configuring microlens-platform-0.3.8.0...
Installed lifted-base-0.2.3.11
Building microlens-platform-0.3.8.0...
Building comonad-5.0.1...
Configuring attoparsec-0.13.1.0...
Installed microlens-platform-0.3.8.0
Building attoparsec-0.13.1.0...
Configuring uniplate-1.6.12...
Installed comonad-5.0.1
Building uniplate-1.6.12...
Configuring HTTP-4000.3.7...
Installed attoparsec-0.13.1.0
Building HTTP-4000.3.7...
Installed uniplate-1.6.12
Configuring resourcet-1.1.9...
Building resourcet-1.1.9...
Configuring haskell-src-exts-1.19.1...
Installed resourcet-1.1.9
Building haskell-src-exts-1.19.1...
Configuring bifunctors-5.4.2...
Installed HTTP-4000.3.7
Building bifunctors-5.4.2...
Configuring simple-log-0.9.2...
Installed bifunctors-5.4.2
Building simple-log-0.9.2...
Configuring aeson-1.2.0.0...
Installed simple-log-0.9.2
Building aeson-1.2.0.0...
Installed aeson-1.2.0.0
Configuring conduit-1.2.10...
Building conduit-1.2.10...
Configuring profunctors-5.2...
Installed conduit-1.2.10
Building profunctors-5.2...
Configuring semigroupoids-5.2...
Installed profunctors-5.2
Building semigroupoids-5.2...
Installed semigroupoids-5.2
Configuring aeson-pretty-0.8.4...
Building aeson-pretty-0.8.4...
Installed aeson-pretty-0.8.4
Configuring yaml-0.8.23...
Building yaml-0.8.23...
Configuring free-4.12.4...
Installed haskell-src-exts-1.19.1
Building free-4.12.4...
Installed free-4.12.4
Configuring adjunctions-4.3...
Installed yaml-0.8.23
Configuring hlint-2.0.8...
Building adjunctions-4.3...
Building hlint-2.0.8...
Installed adjunctions-4.3
Configuring kan-extensions-5.0.2...
Building kan-extensions-5.0.2...
Installed kan-extensions-5.0.2
Configuring lens-4.15.2...
Building lens-4.15.2...
Installed hlint-2.0.8
Installed lens-4.15.2
Configuring text-region-0.3.0.0...
Building text-region-0.3.0.0...
Installed text-region-0.3.0.0
cabal: Error: some packages failed to install:
haddock-api-2.17.4 failed during the building phase. The exception was:
ExitFailure 1
hdocs-0.5.2.0 depends on haddock-api-2.17.4 which failed to install.
hsdev-0.2.5.0 depends on haddock-api-2.17.4 which failed to install.