# Pastebin yN7GF2wW
/Users/sean/Dropbox/Private/Code/pony-scratch/ingo/ingo.pony:73:21: receiver type is not a subtype of target type
         conn.getUrl( URL.build( "https://matrix.org/_matrix/client/versions"))
                    ^
    Info:
    /Users/sean/Dropbox/Private/Code/pony-scratch/ingo/ingo.pony:73:10: receiver type: Connector tag
             conn.getUrl( URL.build( "https://matrix.org/_matrix/client/versions"))
             ^
    /Users/sean/Dropbox/Private/Code/pony-scratch/ingo/ingo.pony:26:4: target type: Connector box
       fun getUrl( url: URL) =>
       ^