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     either-both-0.1.1.1
Starting     filtrable-0.1.2.0
Starting     util-0.1.13.0
Starting     containers-0.5.11.0
Building     either-both-0.1.1.1
Building     filtrable-0.1.2.0
Building     util-0.1.13.0
Building     containers-0.5.11.0
Completed    either-both-0.1.1.1
Completed    filtrable-0.1.2.0
Completed    util-0.1.13.0
Completed    containers-0.5.11.0
Downloading  Map-0.0.1.1
Downloaded   Map-0.0.1.1
Starting     Map-0.0.1.1
Building     Map-0.0.1.1
Completed    Map-0.0.1.1