Resolving dependencies...
Configuring Diff-0.3.4...
Configuring ansi-terminal-0.6.2.3...
Building Diff-0.3.4...
Building ansi-terminal-0.6.2.3...
Installed Diff-0.3.4
Configuring base-compat-0.9.1...
Building base-compat-0.9.1...
Installed ansi-terminal-0.6.2.3
Configuring base-orphans-0.5.4...
Building base-orphans-0.5.4...
Installed base-orphans-0.5.4
Configuring call-stack-0.1.0...
Building call-stack-0.1.0...
Installed base-compat-0.9.1
Configuring clock-0.7.2...
Building clock-0.7.2...
Configuring cmdargs-0.10.14...
Installed call-stack-0.1.0
Building cmdargs-0.10.14...
Configuring dlist-0.8.0.2...
Installed clock-0.7.2
Building dlist-0.8.0.2...
Configuring hscolour-1.24.1...
Installed dlist-0.8.0.2
Building hscolour-1.24.1...
Configuring monad-loops-0.4.3...
Installed hscolour-1.24.1
Building monad-loops-0.4.3...
Configuring mtl-2.2.1...
Installed monad-loops-0.4.3
Building mtl-2.2.1...
Configuring primitive-0.6.1.0...
Installed cmdargs-0.10.14
Building primitive-0.6.1.0...
Configuring old-locale-1.0.0.7...
Installed mtl-2.2.1
Building old-locale-1.0.0.7...
Configuring refact-0.3.0.2...
Installed old-locale-1.0.0.7
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Configuring semigroups-0.18.2...
Installed primitive-0.6.1.0
Configuring stm-2.4.4.1...
Installed refact-0.3.0.2
Building semigroups-0.18.2...
Building stm-2.4.4.1...
Configuring strict-0.3.2...
Installed semigroups-0.18.2
Building strict-0.3.2...
Configuring syb-0.6...
Installed stm-2.4.4.1
Building syb-0.6...
Configuring text-1.2.2.1...
Installed strict-0.3.2
Building text-1.2.2.1...
Configuring time-locale-compat-0.1.1.3...
Installed syb-0.6
Building time-locale-compat-0.1.1.3...
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...
Configuring utf8-string-1.0.1.1...
Installed unix-compat-0.4.2.0
Building utf8-string-1.0.1.1...
Installed utf8-string-1.0.1.1
Configuring ansi-wl-pprint-0.6.7.3...
Building ansi-wl-pprint-0.6.7.3...
Installed text-1.2.2.1
Configuring HUnit-1.5.0.0...
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Configuring extra-1.5.1...
Installed ansi-wl-pprint-0.6.7.3
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Installed HUnit-1.5.0.0
Configuring old-time-1.1.0.3...
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Configuring StateVar-1.1.0.4...
Installed extra-1.5.1
Building StateVar-1.1.0.4...
Configuring vector-0.11.0.0...
Installed StateVar-1.1.0.4
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Configuring exceptions-0.8.3...
Installed old-time-1.1.0.3
Building exceptions-0.8.3...
Configuring mmorph-1.0.9...
Installed exceptions-0.8.3
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Configuring tagged-0.8.5...
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Building tagged-0.8.5...
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Configuring hashable-1.2.4.0...
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Configuring polyparse-1.12...
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Configuring optparse-applicative-0.13.0.0...
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Installed polyparse-1.12
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Configuring pipes-4.2.0...
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Building pipes-4.2.0...
Configuring monad-control-1.0.1.0...
Installed optparse-applicative-0.13.0.0
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Configuring distributive-0.5.0.2...
Installed monad-control-1.0.1.0
Configuring unordered-containers-0.2.7.1...
Installed pipes-4.2.0
Building unordered-containers-0.2.7.1...
Building distributive-0.5.0.2...
Configuring void-0.7.1...
Installed distributive-0.5.0.2
Building void-0.7.1...
Configuring scientific-0.3.4.9...
Installed void-0.7.1
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Installed unordered-containers-0.2.7.1
Configuring cpphs-1.20.2...
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Configuring lifted-base-0.2.3.8...
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Configuring contravariant-1.4...
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Installed cpphs-1.20.2
Configuring uniplate-1.6.12...
Building uniplate-1.6.12...
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Building enclosed-exceptions-1.0.2...
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Installed enclosed-exceptions-1.0.2
Building resourcet-1.1.8.1...
Configuring attoparsec-0.13.1.0...
Installed uniplate-1.6.12
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Installed resourcet-1.1.8.1
Configuring haskell-src-exts-1.18.2...
Building haskell-src-exts-1.18.2...
Installed attoparsec-0.13.1.0
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Building conduit-1.2.8...
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Configuring path-0.5.9...
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Building yaml-0.8.21.1...
Configuring descriptive-0.9.4...
Installed yaml-0.8.21.1
Building descriptive-0.9.4...
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Installed descriptive-0.9.4
Building path-io-1.2.0...
Installed haskell-src-exts-1.18.2
Configuring hlint-1.9.38...
Building hlint-1.9.38...
Configuring stylish-haskell-0.6.5.0...
Installed path-io-1.2.0
Building stylish-haskell-0.6.5.0...
Configuring hindent-5.2.1...
Installed stylish-haskell-0.6.5.0
Building hindent-5.2.1...
Installed hlint-1.9.38
Installed hindent-5.2.1
Configuring hfmt-0.0.1.0...
Building hfmt-0.0.1.0...
Failed to install hfmt-0.0.1.0
Build log ( /home/builder/.cabal/logs/hfmt-0.0.1.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-26911/hfmt-0.0.1.0'
Configuring hfmt-0.0.1.0...
Building hfmt-0.0.1.0...
Preprocessing library hfmt-0.0.1.0...
[1 of 8] Compiling Language.Haskell.Source.Enumerator ( src/Language/Haskell/Source/Enumerator.hs, dist/build/Language/Haskell/Source/Enumerator.o )

src/Language/Haskell/Source/Enumerator.hs:3:1: warning: [-Wunused-imports]
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()
[2 of 8] Compiling Language.Haskell.Format.Definitions ( src/Language/Haskell/Format/Definitions.hs, dist/build/Language/Haskell/Format/Definitions.o )

src/Language/Haskell/Format/Definitions.hs:3:1: warning: [-Wunused-imports]
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()
[3 of 8] Compiling Language.Haskell.Format.Internal ( src/Language/Haskell/Format/Internal.hs, dist/build/Language/Haskell/Format/Internal.o )

src/Language/Haskell/Format/Internal.hs:5:1: warning: [-Wunused-imports]
    The import of ‘Control.Applicative’ is redundant
      except perhaps to import instances from ‘Control.Applicative’
    To import instances alone, use: import Control.Applicative()
[4 of 8] Compiling Language.Haskell.Format.HIndent ( src/Language/Haskell/Format/HIndent.hs, dist/build/Language/Haskell/Format/HIndent.o )

src/Language/Haskell/Format/HIndent.hs:13:26: error:
    Not in scope: type constructor or class ‘Style’
cabal: Leaving directory '/tmp/cabal-tmp-26911/hfmt-0.0.1.0'
cabal: Error: some packages failed to install:
hfmt-0.0.1.0 failed during the building phase. The exception was:
ExitFailure 1