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...
Starting     base-orphans-0.8.1
Starting     cabal-doctest-1.0.6
Starting     StateVar-1.2
Starting     base64-bytestring-1.0.0.2
Building     base-orphans-0.8.1
Building     base64-bytestring-1.0.0.2
Building     StateVar-1.2
Building     cabal-doctest-1.0.6
Completed    base-orphans-0.8.1
Starting     call-stack-0.1.0
Completed    StateVar-1.2
Starting     hashable-1.3.0.0
Building     call-stack-0.1.0
Building     hashable-1.3.0.0
Completed    base64-bytestring-1.0.0.2
Starting     integer-logarithms-1.0.3
Completed    cabal-doctest-1.0.6
Starting     parallel-3.2.2.0
Building     integer-logarithms-1.0.3
Completed    call-stack-0.1.0
Starting     primitive-0.7.0.0
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Building     primitive-0.7.0.0
Completed    integer-logarithms-1.0.3
Starting     reflection-2.1.4
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Completed    hashable-1.3.0.0
Starting     semigroups-0.18.5
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Starting     stringsearch-0.3.6.6
Building     semigroups-0.18.5
Building     stringsearch-0.3.6.6
Completed    semigroups-0.18.5
Starting     tagged-0.8.6
Building     tagged-0.8.6
Completed    reflection-2.1.4
Starting     th-abstraction-0.3.1.0
Building     th-abstraction-0.3.1.0
Completed    tagged-0.8.6
Starting     transformers-compat-0.6.5
Building     transformers-compat-0.6.5
Completed    stringsearch-0.3.6.6
Starting     void-0.7.3
Building     void-0.7.3
Completed    void-0.7.3
Starting     contravariant-1.5.2
Building     contravariant-1.5.2
Completed    transformers-compat-0.6.5
Starting     unordered-containers-0.2.10.0
Building     unordered-containers-0.2.10.0
Completed    th-abstraction-0.3.1.0
Starting     case-insensitive-1.2.1.0
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Starting     distributive-0.6
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Starting     transformers-base-0.4.5.2
Completed    case-insensitive-1.2.1.0
Starting     exceptions-0.10.2
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Building     distributive-0.6
Building     exceptions-0.10.2
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Starting     vector-0.12.0.3
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Completed    distributive-0.6
Starting     scientific-0.3.6.2
Building     scientific-0.3.6.2
Completed    exceptions-0.10.2
Starting     comonad-5.0.5
Completed    unordered-containers-0.2.10.0
Building     comonad-5.0.5
Completed    scientific-0.3.6.2
Starting     attoparsec-0.13.2.2
Building     attoparsec-0.13.2.2
Completed    comonad-5.0.5
Starting     bifunctors-5.5.4
Building     bifunctors-5.5.4
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Completed    bifunctors-5.5.4
Starting     profunctors-5.4
Starting     semigroupoids-5.3.2
Building     profunctors-5.4
Building     semigroupoids-5.3.2
Completed    profunctors-5.4
Starting     invariant-0.5.3
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Completed    vector-0.12.0.3
Completed    semigroupoids-5.3.2
Starting     free-5.1.1
Building     free-5.1.1
Completed    invariant-0.5.3
Completed    free-5.1.1
Starting     adjunctions-4.4
Building     adjunctions-4.4
Completed    adjunctions-4.4
Starting     kan-extensions-5.2
Building     kan-extensions-5.2
Completed    kan-extensions-5.2
Starting     lens-4.17.1
Building     lens-4.17.1
Completed    lens-4.17.1
Starting     concise-0.1.0.1
Building     concise-0.1.0.1
Completed    concise-0.1.0.1
Downloading  purebred-email-0.2.0.0
Downloaded   purebred-email-0.2.0.0
Starting     purebred-email-0.2.0.0
Building     purebred-email-0.2.0.0
Completed    purebred-email-0.2.0.0