message: Upgrade pnet_transport to Rust 2021
diff: @@ -9,7 +9,7 @@ description = "Cross-platform, transport layer networking."
  readme = "../README.md"
  keywords = ["networking", "transport", "raw", "socket"]
  categories = ["network-programming"]
  -edition = "2018"
  +edition = "2021"
  [dependencies]
  libc = "0.2.94"
  