Resolving dependencies...
Starting     StateVar-1.2.2
Building     StateVar-1.2.2
Completed    StateVar-1.2.2
Downloading  contravariant-1.5.4
Downloaded   contravariant-1.5.4
Starting     contravariant-1.5.4
Building     contravariant-1.5.4
Completed    contravariant-1.5.4