message: error: Use Caret to specify dependency versions.
diff: @@ -13,5 +13,5 @@ backtrace = "0.3"
  httpdate = "1.0"
  libc = "0.2"
  log = "0.4"
  -serde = { version = ">=1.0.27", features = ["serde_derive", "rc"] }
  -serde_json = ">=1.0.9"
  +serde = { version = "1.0.110", features = ["serde_derive", "rc"] }
  +serde_json = "1.0.53"
  