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     cabal-doctest-1.0.6
Starting     StateVar-1.1.1.1
Starting     base-compat-0.10.5
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Building     base-orphans-0.8
Building     StateVar-1.1.1.1
Building     base-compat-0.10.5
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Starting     call-stack-0.1.0
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Starting     dlist-0.8.0.5
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Building     dlist-0.8.0.5
Completed    cabal-doctest-1.0.6
Starting     hashable-1.2.7.0
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Starting     integer-logarithms-1.0.2.2
Building     hashable-1.2.7.0
Building     integer-logarithms-1.0.2.2
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Starting     old-locale-1.0.0.7
Building     old-locale-1.0.0.7
Completed    integer-logarithms-1.0.2.2
Starting     parallel-3.2.2.0
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Starting     primitive-0.6.4.0
Completed    old-locale-1.0.0.7
Starting     random-1.1
Building     primitive-0.6.4.0
Completed    hashable-1.2.7.0
Starting     reflection-2.1.4
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Building     reflection-2.1.4
Completed    parallel-3.2.2.0
Starting     safe-0.3.17
Building     safe-0.3.17
Completed    random-1.1
Starting     semigroups-0.18.5
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Completed    semigroups-0.18.5
Starting     tagged-0.8.6
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Starting     th-abstraction-0.2.10.0
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Starting     time-locale-compat-0.1.1.5
Building     th-abstraction-0.2.10.0
Building     time-locale-compat-0.1.1.5
Completed    time-locale-compat-0.1.1.5
Starting     transformers-compat-0.6.2
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Starting     void-0.7.2
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Starting     contravariant-1.5
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Starting     unordered-containers-0.2.10.0
Building     contravariant-1.5
Building     unordered-containers-0.2.10.0
Completed    transformers-compat-0.6.2
Starting     uuid-types-1.0.3
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Completed    primitive-0.6.4.0
Downloading  digestive-functors-0.8.4.0
Downloaded   digestive-functors-0.8.4.0
Starting     digestive-functors-0.8.4.0
Building     digestive-functors-0.8.4.0
Completed    contravariant-1.5
Starting     distributive-0.6
Completed    uuid-types-1.0.3
Starting     transformers-base-0.4.5.2
Building     transformers-base-0.4.5.2
Building     distributive-0.6
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Starting     exceptions-0.10.0
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Starting     vector-0.12.0.2
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Starting     scientific-0.3.6.2
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Starting     comonad-5.0.4
Completed    exceptions-0.10.0
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Completed    scientific-0.3.6.2
Starting     attoparsec-0.13.2.2
Building     attoparsec-0.13.2.2
Completed    comonad-5.0.4
Starting     bifunctors-5.5.3
Building     bifunctors-5.5.3
Completed    attoparsec-0.13.2.2
Completed    bifunctors-5.5.3
Starting     profunctors-5.3
Starting     semigroupoids-5.3.2
Building     profunctors-5.3
Building     semigroupoids-5.3.2
Completed    profunctors-5.3
Starting     invariant-0.5.1
Building     invariant-0.5.1
Completed    vector-0.12.0.2
Starting     aeson-1.4.2.0
Building     aeson-1.4.2.0
Completed    semigroupoids-5.3.2
Starting     free-5.1
Building     free-5.1
Completed    invariant-0.5.1
Completed    free-5.1
Starting     adjunctions-4.4
Building     adjunctions-4.4
Completed    adjunctions-4.4
Starting     kan-extensions-5.2
Building     kan-extensions-5.2
Completed    aeson-1.4.2.0
Completed    kan-extensions-5.2
Starting     lens-4.17
Building     lens-4.17
Completed    lens-4.17
Starting     lens-aeson-1.0.2
Building     lens-aeson-1.0.2
Completed    lens-aeson-1.0.2
Downloading  digestive-functors-aeson-1.1.27
Downloaded   digestive-functors-aeson-1.1.27
Starting     digestive-functors-aeson-1.1.27
Building     digestive-functors-aeson-1.1.27
Completed    digestive-functors-aeson-1.1.27