-tokio = { version = "0.2", features = ["io-std", "io-util", "rt-threaded", "tcp", "time", "sync"] }
+# tokio = { version = "0.2", features = ["io-std", "io-util", "rt-threaded", "tcp", "time", "sync"] }
+# tokio = { version = "1.0", features = [ "full", "io-util", "macros", "rt", "rt-multi-thread", "sync", "net", "time" ] }
+# tokio = { version = "1.0", features = [ "io-util", "macros", "rt", "rt-multi-thread", "sync", "net", "time" ] }
+tokio = { version = "1.0", features = [ "io-util", "macros", "rt", "rt-multi-thread", "sync", "net", "time" ] }