Add and fix more lints

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -158,12 +158,6 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "514de17de45fdb8dc022b1a7975556c53c86f9f0aa5f534b98977b171857c2c9"
 
-[[package]]
-name = "case"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6c0e7b807d60291f42f33f58480c0bfafe28ed08286446f45e463728cf9c1c"
-
 [[package]]
 name = "caseless"
 version = "0.2.1"
@@ -287,10 +281,8 @@ dependencies = [
  "thiserror",
  "time",
  "tokio",
- "tokio-tungstenite",
  "toss",
  "tz-rs",
- "unicode-segmentation",
  "unicode-width",
  "vault",
 ]
@@ -324,7 +316,6 @@ dependencies = [
 name = "cove-macro"
 version = "0.8.3"
 dependencies = [
- "case",
  "proc-macro2",
  "quote",
  "syn",