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     comonad-5.0.6
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Starting     attoparsec-0.13.2.3
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Starting     bytes-0.16
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Starting     bifunctors-5.5.6
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Starting     linear-1.20.9
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Downloading  math-grads-0.1.6.4
Downloaded   math-grads-0.1.6.4
Starting     math-grads-0.1.6.4
Building     math-grads-0.1.6.4
Completed    math-grads-0.1.6.4