Fix clippy warnings

src/section_runner.rs

@@ -91,6 +91,7 @@ impl SecRun {
         matches!(self.state, RunState::Running{..})
     }
 
+    #[allow(dead_code)]
     fn is_paused(&self) -> bool {
         matches!(self.state, RunState::Paused{..})
     }
@@ -152,7 +153,7 @@ impl SecRun {
                     start_time: Instant::now(),
                 };
                 let ran_for = pause_time - start_time;
-                self.duration = self.duration - ran_for;
+                self.duration -= ran_for;
             }
             Waiting | Finished | Cancelled | Running { .. } => {
                 warn!(
@@ -381,7 +382,6 @@ mod test {
         model::Section,
         trace_listeners::{EventListener, Filters, SpanFilters, SpanListener},
     };
-    use tokio::time::{pause, resume};
     use tracing_subscriber::prelude::*;
 
     #[tokio::test]