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     Only-0.1
Starting     OneTuple-0.2.2
Building     Only-0.1
Building     OneTuple-0.2.2
Completed    OneTuple-0.2.2
Completed    Only-0.1
Starting     single-tuple-0.1.0.0
Building     single-tuple-0.1.0.0
Completed    single-tuple-0.1.0.0
Downloading  list-tuple-0.1.1.0
Downloaded   list-tuple-0.1.1.0
Starting     list-tuple-0.1.1.0
Building     list-tuple-0.1.1.0
Completed    list-tuple-0.1.1.0