message: futures-util <0.3.14 doesn't have Stream
diff: @@ -38,7 +38,7 @@ with-time-0_3 = ["tokio-postgres/with-time-0_3"]
  [dependencies]
  bytes = "1.0"
  fallible-iterator = "0.2"
  -futures-util = { version = "0.3", features = ["sink"] }
  +futures-util = { version = "0.3.14", features = ["sink"] }
  tokio-postgres = { version = "0.7.7", path = "../tokio-postgres" }
  tokio = { version = "1.0", features = ["rt", "time"] }
  