appveyor try use cache and only use 64bit system for compile.
appveyor try use cache and only use 64bit system for compile.

snmsts/roswell,guicho271828/roswell,guicho271828/roswell,roswell/roswell,snmsts/roswell,guicho271828/roswell,guicho271828/roswell,roswell/roswell,snmsts/roswell,roswell/roswell,roswell/roswell,snmsts/roswell