2019-05-09 07:45:02.33331001 UTC
||array-0.5.3.0, base-220.127.116.11, containers-0.6.0.1, mtl-2.2.2
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
Warning: could not create a symlink in /home/builder/.cabal/bin for happy
because the file exists there already but is not managed by cabal. You can
create a symlink for this executable manually if you wish. The executable file
has been installed at