Warning: The install command is a part of the legacy v1 style of cabal usage.

Please switch to using either the new project style and the new-install
command or the legacy v1-install alias as new-style projects will become the
default in the next version of cabal-install. Please file a bug if you cannot
replicate a working v1- use case with the new-style commands.

For more information, see: https://wiki.haskell.org/Cabal/NewBuild

Resolving dependencies...
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Starting     clock-0.8
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Building     clock-0.8
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Starting     data-default-class-0.1.2.0
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Starting     hashable-1.3.0.0
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Starting     hostname-1.0
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Starting     managed-1.0.6
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Starting     optional-args-1.0.2
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Starting     random-1.1
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Starting     semigroups-0.19.1
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Starting     tagged-0.8.6
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Starting     th-abstraction-0.3.1.0
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Starting     transformers-compat-0.6.5
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Starting     unix-compat-0.5.2
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Building     unix-compat-0.5.2
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Starting     system-fileio-0.3.16.4
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Starting     comonad-5.0.5
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Starting     optparse-applicative-0.15.1.0
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Starting     temporary-1.3
Building     temporary-1.3
Completed    temporary-1.3
Completed    comonad-5.0.5
Starting     bifunctors-5.5.5
Building     bifunctors-5.5.5
Completed    optparse-applicative-0.15.1.0
Completed    bifunctors-5.5.5
Starting     profunctors-5.5
Starting     semigroupoids-5.3.3
Building     profunctors-5.5
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Completed    vector-0.12.0.3
Starting     vector-th-unbox-0.2.1.6
Starting     vector-builder-0.3.7.2
Building     vector-builder-0.3.7.2
Building     vector-th-unbox-0.2.1.6
Completed    vector-th-unbox-0.2.1.6
Starting     math-functions-0.3.2.1
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Starting     mwc-random-0.14.0.0
Building     mwc-random-0.14.0.0
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Starting     foldl-1.4.5
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Downloading  turtle-1.5.15
Downloaded   turtle-1.5.15
Starting     turtle-1.5.15
Building     turtle-1.5.15
Completed    turtle-1.5.15