Add dep tokio.

Cargo.lock

@@ -1159,6 +1159,7 @@ dependencies = [
  "delay_timer",
  "english-to-cron",
  "schedule",
+ "tokio",
  "tokio-cron-scheduler",
 ]
 
@@ -2239,6 +2240,7 @@ dependencies = [
  "signal-hook-registry",
  "socket2 0.5.8",
  "tokio-macros",
+ "tracing",
  "windows-sys 0.52.0",
 ]
 

Cargo.toml

@@ -15,4 +15,5 @@ croner = "2.1.0"
 delay_timer = { version = "0.11.6", features = ["full"] }
 english-to-cron = "0.1.2"
 schedule = "0.1.0"
+tokio = { version = "1.43.0", features = ["full", "mio", "test-util", "tracing"] }
 tokio-cron-scheduler = { version = "0.13.0", features = ["english", "log", "prost", "signal", "tokio-postgres", "tracing-subscriber"] }