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     hostname-1.0
Starting     split-0.2.3.3
Starting     hashable-1.2.7.0
Building     hostname-1.0
Building     hashable-1.2.7.0
Building     split-0.2.3.3
Completed    hostname-1.0
Completed    split-0.2.3.3
Completed    hashable-1.2.7.0
Starting     async-2.2.1
Building     async-2.2.1
Completed    async-2.2.1
Downloading  shh-0.2.0.2
Downloaded   shh-0.2.0.2
Starting     shh-0.2.0.2
Building     shh-0.2.0.2
Completed    shh-0.2.0.2
Downloading  shh-extras-0.1.0.0
Downloaded   shh-extras-0.1.0.0
Starting     shh-extras-0.1.0.0
Building     shh-extras-0.1.0.0
Completed    shh-extras-0.1.0.0