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-orphans-0.5.4...
Configuring bzlib-0.5.0.5...
Installed ansi-terminal-0.6.2.3
Building base-orphans-0.5.4...
Building bzlib-0.5.0.5...
Configuring cereal-0.5.4.0...
Installed base-orphans-0.5.4
Building cereal-0.5.4.0...
Configuring call-stack-0.1.0...
Installed bzlib-0.5.0.5
Building call-stack-0.1.0...
Configuring data-default-class-0.1.2.0...
Installed call-stack-0.1.0
Building data-default-class-0.1.2.0...
Configuring dlist-0.8.0.2...
Installed cereal-0.5.4.0
Configuring entropy-0.3.7...
Installed data-default-class-0.1.2.0
Building dlist-0.8.0.2...
Configuring generic-deriving-1.11.1...
Installed dlist-0.8.0.2
Building generic-deriving-1.11.1...
Building entropy-0.3.7...
Configuring fmlist-0.9...
Installed entropy-0.3.7
Building fmlist-0.9...
Configuring mtl-2.2.1...
Installed fmlist-0.9
Building mtl-2.2.1...
Configuring memoize-0.8.1...
Installed mtl-2.2.1
Building memoize-0.8.1...
Configuring newtype-generics-0.5...
Installed memoize-0.8.1
Building newtype-generics-0.5...
Configuring network-2.6.3.1...
Installed newtype-generics-0.5
Configuring parallel-3.2.1.0...
Installed generic-deriving-1.11.1
Building parallel-3.2.1.0...
Building network-2.6.3.1...
Configuring old-locale-1.0.0.7...
Installed parallel-3.2.1.0
Building old-locale-1.0.0.7...
Configuring prelude-extras-0.4.0.3...
Installed old-locale-1.0.0.7
Building prelude-extras-0.4.0.3...
Configuring reflection-2.1.2...
Installed network-2.6.3.1
Configuring random-1.1...
Installed prelude-extras-0.4.0.3
Building reflection-2.1.2...
Building random-1.1...
Configuring semigroups-0.18.2...
Installed random-1.1
Building semigroups-0.18.2...
Configuring primitive-0.6.1.0...
Installed reflection-2.1.2
Configuring stm-2.4.4.1...
Installed semigroups-0.18.2
Building primitive-0.6.1.0...
Building stm-2.4.4.1...
Configuring syb-0.6...
Installed stm-2.4.4.1
Building syb-0.6...
Configuring transformers-compat-0.5.1.4...
Installed primitive-0.6.1.0
Building transformers-compat-0.5.1.4...
Configuring text-1.2.2.1...
Installed transformers-compat-0.5.1.4
Building text-1.2.2.1...
Configuring utf8-string-1.0.1.1...
Installed syb-0.6
Building utf8-string-1.0.1.1...
Configuring zlib-0.6.1.2...
Installed utf8-string-1.0.1.1
Building zlib-0.6.1.2...
Installed zlib-0.6.1.2
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 HUnit-1.5.0.0...
Installed data-default-instances-containers-0.0.1
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Configuring regex-base-0.93.2...
Installed text-1.2.2.1
Building regex-base-0.93.2...
Configuring data-default-instances-dlist-0.0.1...
Installed HUnit-1.5.0.0
Building data-default-instances-dlist-0.0.1...
Configuring old-time-1.1.0.3...
Installed regex-base-0.93.2
Configuring StateVar-1.1.0.4...
Installed data-default-instances-dlist-0.0.1
Building StateVar-1.1.0.4...
Building old-time-1.1.0.3...
Configuring data-default-instances-old-locale-0.0.1...
Installed StateVar-1.1.0.4
Building data-default-instances-old-locale-0.0.1...
Configuring MonadRandom-0.4.2.3...
Installed data-default-instances-old-locale-0.0.1
Building MonadRandom-0.4.2.3...
Configuring exceptions-0.8.3...
Installed old-time-1.1.0.3
Building exceptions-0.8.3...
Configuring mmorph-1.0.9...
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Building mmorph-1.0.9...
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Configuring set-extra-1.4...
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Configuring optparse-applicative-0.13.0.0...
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Building parsec-3.1.11...
Configuring polyparse-1.12...
Installed vector-0.11.0.0
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Installed parsec-3.1.11
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Installed data-default-0.7.1.1
Building regex-posix-0.95.2...
Configuring distributive-0.5.0.2...
Installed polyparse-1.12
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Installed regex-posix-0.95.2
Building monad-control-1.0.1.0...
Configuring crypto-api-0.13.2...
Installed monad-control-1.0.1.0
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Building crypto-api-0.13.2...
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Installed void-0.7.1
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Building hsemail-1.7.7...
Configuring network-uri-2.6.1.0...
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Building regex-tdfa-1.2.2...
Configuring regex-compat-0.95.1...
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Building regex-compat-0.95.1...
Configuring HaXml-1.25.3...
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Building HaXml-1.25.3...
Installed regex-tdfa-1.2.2
Configuring contravariant-1.4...
Building contravariant-1.4...
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Installed contravariant-1.4
Building process-extras-0.4.1.4...
Configuring pureMD5-2.1.3...
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Building pureMD5-2.1.3...
Configuring comonad-5...
Installed pureMD5-2.1.3
Building comonad-5...
Configuring Unixutils-1.54.1...
Installed comonad-5
Building Unixutils-1.54.1...
Installed Unixutils-1.54.1
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Building bifunctors-5.4.1...
Installed HaXml-1.25.3
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Configuring profunctors-5.2...
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Building profunctors-5.2...
Building semigroupoids-5.1...
Installed profunctors-5.2
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Configuring free-4.12.4...
Building free-4.12.4...
Installed free-4.12.4
Configuring either-4.4.1.1...
Configuring adjunctions-4.3...
Building adjunctions-4.3...
Building either-4.4.1.1...
Installed either-4.4.1.1
Configuring debian-3.91.2...
Building debian-3.91.2...
Installed adjunctions-4.3
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Building kan-extensions-5.0.1...
Installed kan-extensions-5.0.1
Configuring lens-4.15.1...
Building lens-4.15.1...
Installed debian-3.91.2
Installed lens-4.15.1
Downloading cabal-debian-4.32.4...
Configuring cabal-debian-4.32.4...
Building cabal-debian-4.32.4...
Failed to install cabal-debian-4.32.4
Build log ( /home/builder/.cabal/logs/cabal-debian-4.32.4.log ):
cabal: Entering directory '/tmp/cabal-tmp-10757/cabal-debian-4.32.4'
Configuring cabal-debian-4.32.4...
Building cabal-debian-4.32.4...
Preprocessing library cabal-debian-4.32.4...
[ 1 of 29] Compiling Paths_cabal_debian ( dist/build/autogen/Paths_cabal_debian.hs, dist/build/Paths_cabal_debian.o )
[ 2 of 29] Compiling Distribution.Version.Invert ( src/Distribution/Version/Invert.hs, dist/build/Distribution/Version/Invert.o )

src/Distribution/Version/Invert.hs:18:51: warning: [-Wdeprecations]
    In the use of ‘versionTags’
    (imported from Distribution.Version, but defined in Data.Version):
    Deprecated: "See GHC ticket #2496"

src/Distribution/Version/Invert.hs:41:55: warning: [-Wdeprecations]
    In the use of ‘versionTags’
    (imported from Distribution.Version, but defined in Data.Version):
    Deprecated: "See GHC ticket #2496"
[ 3 of 29] Compiling Debian.Orphans   ( src/Debian/Orphans.hs, dist/build/Debian/Orphans.o )

src/Debian/Orphans.hs:39:1: error:
    Duplicate instance declarations:
      instance Eq AbiTag -- Defined at src/Debian/Orphans.hs:39:1
      instance [safe] Eq AbiTag -- Defined in ‘Distribution.Compiler’

src/Debian/Orphans.hs:47:1: error:
    Duplicate instance declarations:
      instance Eq Compiler -- Defined at src/Debian/Orphans.hs:47:1
      instance Eq Compiler -- Defined in ‘Distribution.Simple.Compiler’
cabal: Leaving directory '/tmp/cabal-tmp-10757/cabal-debian-4.32.4'
cabal: Error: some packages failed to install:
cabal-debian-4.32.4 failed during the building phase. The exception was:
ExitFailure 1