use the macros feature. closes
@@ -27,7 +27,7 @@ log = "0.4"
futures = { version = "0.3", optional = true, default-features = false }
# TODO figure out what of these features are actually used
-tokio = { version = "0.2", optional = true, features = ["dns", "io-util", "stream", "sync", "tcp", "time"] }
+tokio = { version = "0.2", optional = true, features = ["dns", "io-util", "stream", "sync", "tcp", "time", "macros"] }
# native tls
tokio-tls = { version = "0.3", optional = true }
