message: chore: fix missing fmt import in examples
  This should fix CI.
diff: @@ -20,7 +20,7 @@ tokio = "0.1"
  tokio-current-thread = "0.1.1"
  tokio-connect = { git = "https://github.com/carllerche/tokio-connect" }
  tokio-trace-subscriber = { path = "../tokio-trace-subscriber" }
  -tokio-trace-log = { path = "../tokio-trace-log" }
  +tokio-trace-fmt = { path = "../tokio-trace-fmt" }
  tokio-io = "0.1"
  ansi_term = "0.11"
  humantime = "1.1.1"
  