Skip existing lines when a log file is recreated due to spurious file creation events

Cargo.lock

@@ -25,7 +25,7 @@ checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
 [[package]]
 name = "apache_prometheus_exporter"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
  "anyhow",
  "hyper",

src/logs/log_file_watcher.rs

@@ -161,6 +161,11 @@ impl LogWatcher {
 							}
 						};
 						
+						while let Ok(Some(_)) = self.state.lines.next_line().await {
+							// There are occasional spurious file creation events, so reading
+							// from the beginning would read lines that were already counted.
+						}
+						
 						continue 'read_loop;
 					}
 				}