Upgrade to crossbeam channel 0.5.1.

Cargo.toml

@@ -8,7 +8,7 @@ license = "MIT"
 
 [dependencies]
 bytes = "1.0"
-crossbeam-channel = "0.5.0"
+crossbeam-channel = "0.5.1"
 futures = { version = "0.3.15", default-features = false, features = ["thread-pool"] }
 parking_lot = "0.11.1"
 rand = "0.8.0"