Explicit static cctors cause the C# compiler to not mark types as beforefieldinit, which means the JIT will add checks to each static method and instance constructor of the type to make sure that the static constructor was previously called.
AppVeyor:
Travis:
This repo contains a web server for ASP.NET Core based on libuv.
This project is part of ASP.NET Core. You can find samples, documentation and getting started instructions for ASP.NET Core at the Home repo.