# Pastebin 1OsRXNho
/Users/kevin/Code/Pony/json-rpc-pony/jsonrpc/test/_test_dispatcher.pony:25:18: right side must be a subtype of left side
    p.next[None](this~promfilled(h), this~promrejected(h))    
                 ^
    Info:
    /Users/kevin/Code/Pony/json-rpc-pony/jsonrpc/test/_test_dispatcher.pony:25:18: _TestDispatchGreet box is not a subtype of _TestDispatchGreet ref: box is not a subcap of ref
        p.next[None](this~promfilled(h), this~promrejected(h))