Resolving dependencies...
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Configuring base16-bytestring-0.1.1.6...
Configuring base64-bytestring-1.0.0.1...
Installed base-compat-0.9.1
Building base16-bytestring-0.1.1.6...
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Installed base16-bytestring-0.1.1.6
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Configuring byteable-0.1.1...
Installed base64-bytestring-1.0.0.1
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Building byteable-0.1.1...
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Configuring cereal-0.5.4.0...
Installed byteable-0.1.1
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Installed call-stack-0.1.0
Building cereal-0.5.4.0...
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Configuring data-default-class-0.1.2.0...
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Configuring dlist-0.8.0.2...
Installed data-default-class-0.1.2.0
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Configuring haskell-lexer-1.0.1...
Installed cereal-0.5.4.0
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Configuring hourglass-0.2.10...
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Installed hourglass-0.2.10
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Configuring memory-0.13...
Installed iso8601-time-0.1.4
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Configuring mtl-2.2.1...
Installed haskell-lexer-1.0.1
Configuring nats-1.1.1...
Installed memory-0.13
Building mtl-2.2.1...
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Configuring network-2.6.3.1...
Installed nats-1.1.1
Building network-2.6.3.1...
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Installed mtl-2.2.1
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Installed old-locale-1.0.0.7
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Configuring random-1.1...
Installed network-2.6.3.1
Building random-1.1...
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Building semigroups-0.18.2...
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Configuring stm-2.4.4.1...
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Building stm-2.4.4.1...
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Installed time-locale-compat-0.1.1.3
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Configuring text-1.2.2.1...
Installed stm-2.4.4.1
Building text-1.2.2.1...
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Configuring zlib-0.6.1.2...
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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...
Installed ansi-wl-pprint-0.6.7.3
Configuring HUnit-1.5.0.0...
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Configuring asn1-types-0.3.2...
Installed text-1.2.2.1
Building asn1-types-0.3.2...
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Building pretty-show-1.6.12...
Configuring IfElse-0.85...
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Installed IfElse-0.85
Building pem-0.2.2...
Configuring regex-base-0.93.2...
Installed pretty-show-1.6.12
Building regex-base-0.93.2...
Configuring cryptonite-0.20...
Installed pem-0.2.2
Building cryptonite-0.20...
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Installed regex-base-0.93.2
Building old-time-1.1.0.3...
Configuring hslogger-1.2.10...
Installed old-time-1.1.0.3
Building hslogger-1.2.10...
Configuring socks-0.5.5...
Installed hslogger-1.2.10
Building socks-0.5.5...
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Configuring StateVar-1.1.0.4...
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Configuring async-2.1.1...
Installed StateVar-1.1.0.4
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Installed async-2.1.1
Building exceptions-0.8.3...
Configuring tagged-0.8.5...
Installed exceptions-0.8.3
Building tagged-0.8.5...
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Installed tagged-0.8.5
Building vector-0.11.0.0...
Configuring errors-2.1.3...
Installed cryptonite-0.20
Building errors-2.1.3...
Installed errors-2.1.3
Configuring optparse-applicative-0.13.0.0...
Building optparse-applicative-0.13.0.0...
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Configuring blaze-builder-0.4.0.2...
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Installed blaze-builder-0.4.0.2
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Installed hashable-1.2.4.0
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Installed vector-0.11.0.0
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Installed double-conversion-2.0.1.0
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Configuring parsec-3.1.11...
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Installed regex-posix-0.95.2
Installed cryptohash-0.11.9
Configuring cookie-0.4.2.1...
Building cookie-0.4.2.1...
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Installed cookie-0.4.2.1
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Installed scientific-0.3.4.9
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Building x509-store-1.6.2...
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Building bifunctors-5.4.1...
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Configuring profunctors-5.2...
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Building kan-extensions-5.0.1...
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Installed vector-instances-3.3.1
Configuring github-0.15.0...
Building github-0.15.0...
Installed github-0.15.0
Downloading github-backup-1.20141222...
Configuring github-backup-1.20141222...
Failed to install github-backup-1.20141222
Build log ( /home/builder/.cabal/logs/github-backup-1.20141222.log ):
cabal: Entering directory '/tmp/cabal-tmp-25448/github-backup-1.20141222'
cabal: Leaving directory '/tmp/cabal-tmp-25448/github-backup-1.20141222'
cabal: Error: some packages failed to install:
github-backup-1.20141222 failed during the configure step. The exception was:
user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error:

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/PosixFiles.hs:13:1:
warning: [-Wtabs]
Tab character found here, and in one further location.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/PartialPrelude.hs:47:1:
warning: [-Wtabs]
Tab character found here, and in one further location.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Monad.hs:41:1: warning:
[-Wtabs]
Tab character found here, and in four further locations.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/FileSystemEncoding.hs:11:1:
warning: [-Wtabs]
Tab character found here, and in 22 further locations.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Env.hs:81:1: warning:
[-Wtabs]
Tab character found here, and in one further location.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/UserInfo.hs:11:1:
warning: [-Wtabs]
Tab character found here, and in six further locations.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Path.hs:44:1: warning:
[-Wtabs]
Tab character found here, and in 93 further locations.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Data.hs:13:1: warning:
[-Wtabs]
Tab character found here, and in one further location.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Exception.hs:11:1:
warning: [-Wtabs]
Tab character found here, and in 27 further locations.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Misc.hs:40:1: warning:
[-Wtabs]
Tab character found here, and in 44 further locations.
Please use spaces instead.

/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Process.hs:178:28:
error:
Ambiguous occurrence ‘createPipe’
It could refer to either ‘System.Process.createPipe’,
imported from ‘System.Process’ at
/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Process.hs:42:1-57
(and originally defined in ‘System.Process.Internals’)
or ‘System.Posix.IO.createPipe’,
imported from ‘System.Posix.IO’ at
/tmp/cabal-tmp-25448/github-backup-1.20141222/Utility/Process.hs:50:1-22
(and originally defined in ‘unix-2.7.2.0:System.Posix.IO.Common’)
)