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
Starting     StateVar-1.1.1.1
Building     base-orphans-0.8
Building     StateVar-1.1.1.1
Completed    base-orphans-0.8
Starting     cabal-doctest-1.0.6
Completed    StateVar-1.1.1.1
Starting     call-stack-0.1.0
Building     cabal-doctest-1.0.6
Building     call-stack-0.1.0
Completed    call-stack-0.1.0
Starting     hashable-1.2.7.0
Building     hashable-1.2.7.0
Completed    cabal-doctest-1.0.6
Starting     mmap-0.5.9
Building     mmap-0.5.9
Completed    hashable-1.2.7.0
Starting     parallel-3.2.2.0
Completed    mmap-0.5.9
Starting     primitive-0.6.4.0
Building     parallel-3.2.2.0
Building     primitive-0.6.4.0
Completed    parallel-3.2.2.0
Starting     reflection-2.1.4
Building     reflection-2.1.4
Completed    reflection-2.1.4
Starting     safe-0.3.17
Building     safe-0.3.17
Completed    primitive-0.6.4.0
Starting     semigroups-0.18.5
Completed    safe-0.3.17
Starting     tagged-0.8.6
Building     semigroups-0.18.5
Building     tagged-0.8.6
Completed    semigroups-0.18.5
Starting     th-abstraction-0.2.8.0
Building     th-abstraction-0.2.8.0
Completed    tagged-0.8.6
Starting     transformers-compat-0.6.2
Building     transformers-compat-0.6.2
Completed    th-abstraction-0.2.8.0
Starting     void-0.7.2
Building     void-0.7.2
Completed    transformers-compat-0.6.2
Starting     contravariant-1.5
Building     contravariant-1.5
Completed    void-0.7.2
Starting     heaps-0.3.6
Completed    contravariant-1.5
Starting     unordered-containers-0.2.9.0
Building     heaps-0.3.6
Building     unordered-containers-0.2.9.0
Completed    heaps-0.3.6
Starting     vector-0.12.0.1
Building     vector-0.12.0.1
Completed    unordered-containers-0.2.9.0
Starting     distributive-0.6
Building     distributive-0.6
Completed    distributive-0.6
Starting     transformers-base-0.4.5.2
Building     transformers-base-0.4.5.2
Completed    transformers-base-0.4.5.2
Starting     mmorph-1.1.2
Building     mmorph-1.1.2
Completed    mmorph-1.1.2
Starting     exceptions-0.10.0
Building     exceptions-0.10.0
Completed    exceptions-0.10.0
Starting     comonad-5.0.4
Building     comonad-5.0.4
Completed    comonad-5.0.4
Starting     pipes-4.3.9
Building     pipes-4.3.9
Completed    vector-0.12.0.1
Starting     errors-2.3.0
Building     errors-2.3.0
Completed    errors-2.3.0
Starting     bifunctors-5.5.3
Building     bifunctors-5.5.3
Completed    pipes-4.3.9
Starting     vector-binary-instances-0.2.5.1
Building     vector-binary-instances-0.2.5.1
Completed    vector-binary-instances-0.2.5.1
Starting     pipes-interleave-1.1.3
Building     pipes-interleave-1.1.3
Completed    pipes-interleave-1.1.3
Completed    bifunctors-5.5.3
Starting     profunctors-5.3
Starting     semigroupoids-5.3.1
Building     profunctors-5.3
Building     semigroupoids-5.3.1
Completed    profunctors-5.3
Starting     invariant-0.5.1
Building     invariant-0.5.1
Completed    semigroupoids-5.3.1
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    kan-extensions-5.2
Starting     lens-4.17
Building     lens-4.17
Completed    lens-4.17
Downloading  b-tree-0.1.4
Downloaded   b-tree-0.1.4
Starting     b-tree-0.1.4
Building     b-tree-0.1.4
Completed    b-tree-0.1.4