Fix travis config
Fix travis config
dean0x7d/cppformat,cppformat/cppformat,wangshijin/cppformat,alabuzhev/fmt,cppformat/cppformat,lightslife/cppformat,mojoBrendan/fmt,mojoBrendan/fmt,nelson4722/cppformat,cppformat/cppformat,alabuzhev/fmt,blaquee/cppformat,blaquee/cppformat,lightslife/cppformat,nelson4722/cppformat,Jopie64/cppformat,dean0x7d/cppformat,blaquee/cppformat,lightslife/cppformat,seungrye/cppformat,wangshijin/cppformat,mojoBrendan/fmt,seungrye/cppformat,Jopie64/cppformat,wangshijin/cppformat,alabuzhev/fmt,Jopie64/cppformat,seungrye/cppformat,dean0x7d/cppformat,nelson4722/cppformat