Fixed a number of warnings

Cargo.lock

@@ -121,17 +121,6 @@ dependencies = [
  "pin-project-lite",
 ]
 
-[[package]]
-name = "async-trait"
-version = "0.1.74"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a66537f1bb974b254c98ed142ff995236e81b9d0fe4db0575f46612cb15eb0f9"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.39",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -253,7 +242,6 @@ dependencies = [
  "aead",
  "anyhow",
  "async-channel",
- "async-trait",
  "base64",
  "blake2",
  "caps",