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     erf-2.0.0.0
Starting     base-orphans-0.8.1
Starting     colour-2.3.5
Starting     exceptions-0.10.4
Building     erf-2.0.0.0
Building     colour-2.3.5
Building     base-orphans-0.8.1
Building     exceptions-0.10.4
Completed    base-orphans-0.8.1
Starting     fail-4.9.0.0
Completed    erf-2.0.0.0
Starting     hashable-1.3.0.0
Building     fail-4.9.0.0
Building     hashable-1.3.0.0
Completed    fail-4.9.0.0
Starting     haskell-lexer-1.0.2
Building     haskell-lexer-1.0.2
Completed    exceptions-0.10.4
Starting     primitive-0.7.0.0
Building     primitive-0.7.0.0
Completed    hashable-1.3.0.0
Starting     random-1.1
Building     random-1.1
Completed    colour-2.3.5
Starting     semigroups-0.19.1
Building     semigroups-0.19.1
Completed    semigroups-0.19.1
Starting     terminal-size-0.3.2.1
Building     terminal-size-0.3.2.1
Completed    random-1.1
Starting     transformers-compat-0.6.5
Building     transformers-compat-0.6.5
Completed    terminal-size-0.3.2.1
Starting     type-equality-1
Building     type-equality-1
Completed    type-equality-1
Starting     unliftio-core-0.1.2.0
Building     unliftio-core-0.1.2.0
Completed    transformers-compat-0.6.5
Starting     wl-pprint-annotated-0.1.0.1
Building     wl-pprint-annotated-0.1.0.1
Completed    unliftio-core-0.1.2.0
Starting     async-2.2.2
Building     async-2.2.2
Completed    primitive-0.7.0.0
Starting     ansi-terminal-0.10.2
Completed    wl-pprint-annotated-0.1.0.1
Starting     transformers-base-0.4.5.2
Building     ansi-terminal-0.10.2
Completed    async-2.2.2
Starting     mmorph-1.1.3
Building     transformers-base-0.4.5.2
Building     mmorph-1.1.3
Completed    transformers-base-0.4.5.2
Starting     constraints-0.11.2
Building     constraints-0.11.2
Completed    mmorph-1.1.3
Starting     resourcet-1.2.2
Building     resourcet-1.2.2
Completed    ansi-terminal-0.10.2
Starting     monad-control-1.0.2.3
Completed    haskell-lexer-1.0.2
Starting     concurrent-output-1.10.11
Building     monad-control-1.0.2.3
Building     concurrent-output-1.10.11
Completed    monad-control-1.0.2.3
Starting     pretty-show-1.9.5
Completed    resourcet-1.2.2
Starting     lifted-base-0.2.3.12
Building     pretty-show-1.9.5
Building     lifted-base-0.2.3.12
Completed    constraints-0.11.2
Completed    lifted-base-0.2.3.12
Starting     lifted-async-0.10.0.4
Building     lifted-async-0.10.0.4
Completed    concurrent-output-1.10.11
Completed    pretty-show-1.9.5
Completed    lifted-async-0.10.0.4
Downloading  hedgehog-1.0.2
Downloaded   hedgehog-1.0.2
Starting     hedgehog-1.0.2
Building     hedgehog-1.0.2
Completed    hedgehog-1.0.2