undefined: subtle.XORBytes

undefined: context.WithCancelCause

undefined: context.Cause

cannot use "The version of quic-go you're using can't be built using outdated Go versions. For more details, please see https://github.com/quic-go/quic-go/wiki/quic-go-and-Go-versions." (untyped string constant "The version of quic-go you're using can't be built using outdated Go...) as int value in variable declaration

undefined: bytes.Clone

Process completed with exit code 1.