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

Warning: Parsing the index cache failed (Unknown encoding for constructor).
Trying to regenerate the index cache...
Resolving dependencies...
Starting     StateVar-1.2
Starting     cabal-doctest-1.0.7
Starting     cereal-0.5.8.1
Starting     base-orphans-0.8.1
Building     StateVar-1.2
Building     cereal-0.5.8.1
Building     cabal-doctest-1.0.7
Building     base-orphans-0.8.1
Completed    base-orphans-0.8.1
Starting     data-reify-0.6.1
Completed    StateVar-1.2
Starting     erf-2.0.0.0
Building     data-reify-0.6.1
Building     erf-2.0.0.0
Completed    cabal-doctest-1.0.7
Starting     ghc-tcplugins-extra-0.3
Building     ghc-tcplugins-extra-0.3
Completed    data-reify-0.6.1
Starting     hashable-1.3.0.0
Completed    erf-2.0.0.0
Starting     nats-1.1.2
Building     hashable-1.3.0.0
Building     nats-1.1.2
Completed    nats-1.1.2
Starting     parallel-3.2.2.0
Building     parallel-3.2.2.0
Completed    ghc-tcplugins-extra-0.3
Starting     primitive-0.7.0.0
Building     primitive-0.7.0.0
Completed    cereal-0.5.8.1
Starting     random-1.1
Completed    hashable-1.3.0.0
Starting     reflection-2.1.4
Building     random-1.1
Completed    parallel-3.2.2.0
Starting     semigroups-0.19
Building     reflection-2.1.4
Building     semigroups-0.19
Completed    semigroups-0.19
Starting     split-0.2.3.3
Building     split-0.2.3.3
Completed    random-1.1
Starting     tagged-0.8.6
Building     tagged-0.8.6
Completed    split-0.2.3.3
Starting     th-abstraction-0.3.1.0
Building     th-abstraction-0.3.1.0
Completed    reflection-2.1.4
Starting     transformers-compat-0.6.5
Building     transformers-compat-0.6.5
Completed    tagged-0.8.6
Starting     zlib-0.6.2.1
Building     zlib-0.6.2.1
Completed    transformers-compat-0.6.5
Starting     storable-complex-0.2.3.0
Completed    th-abstraction-0.3.1.0
Starting     contravariant-1.5.2
Building     storable-complex-0.2.3.0
Building     contravariant-1.5.2
Completed    storable-complex-0.2.3.0
Downloading  ghc-typelits-natnormalise-0.7
Downloaded   ghc-typelits-natnormalise-0.7
Starting     ghc-typelits-natnormalise-0.7
Completed    primitive-0.7.0.0
Starting     unordered-containers-0.2.10.0
Building     ghc-typelits-natnormalise-0.7
Building     unordered-containers-0.2.10.0
Completed    zlib-0.6.2.1
Starting     distributive-0.6
Completed    contravariant-1.5.2
Starting     transformers-base-0.4.5.2
Building     transformers-base-0.4.5.2
Building     distributive-0.6
Completed    transformers-base-0.4.5.2
Starting     exceptions-0.10.2
Building     exceptions-0.10.2
Completed    ghc-typelits-natnormalise-0.7
Starting     vector-0.12.0.3
Completed    distributive-0.6
Starting     tf-random-0.5
Building     vector-0.12.0.3
Building     tf-random-0.5
Completed    exceptions-0.10.2
Downloading  ghc-typelits-knownnat-0.7
Downloaded   ghc-typelits-knownnat-0.7
Starting     ghc-typelits-knownnat-0.7
Building     ghc-typelits-knownnat-0.7
Completed    unordered-containers-0.2.10.0
Starting     comonad-5.0.5
Completed    tf-random-0.5
Building     comonad-5.0.5
Completed    ghc-typelits-knownnat-0.7
Completed    comonad-5.0.5
Starting     bifunctors-5.5.4
Building     bifunctors-5.5.4
Completed    bifunctors-5.5.4
Starting     semigroupoids-5.3.2
Starting     profunctors-5.4
Building     profunctors-5.4
Building     semigroupoids-5.3.2
Completed    profunctors-5.4
Completed    vector-0.12.0.3
Starting     hmatrix-0.20.0.0
Building     hmatrix-0.20.0.0
Completed    semigroupoids-5.3.2
Starting     free-5.1.1
Building     free-5.1.1
Completed    free-5.1.1
Starting     ad-4.3.6
Building     ad-4.3.6
Completed    hmatrix-0.20.0.0
Completed    ad-4.3.6
Downloading  sparse-tensor-0.2.1.1
Downloaded   sparse-tensor-0.2.1.1
Starting     sparse-tensor-0.2.1.1
Building     sparse-tensor-0.2.1.1
Completed    sparse-tensor-0.2.1.1