Set progressbar to 0 initially to remove gap between running and prog…

…ressbar actually showing. Remove debug statements from lsf example

crankshaft/examples/lsf.rs

@@ -46,10 +46,7 @@ async fn main() {
         .unwrap();
 
     let receivers = (0..1000)
-        .map(|i| {
-            println!("Submitting task number: {}", i + 1);
-            engine.submit(task.clone()).callback
-        })
+        .map(|_| engine.submit(task.clone()).callback)
         .collect::<Vec<_>>();
 
     engine.run().await;

crankshaft/src/engine.rs

@@ -60,6 +60,7 @@ impl Engine {
         );
 
         let mut count = 1;
+        task_completion_bar.inc(0);
 
         while let Some(()) = self.runner.tasks.next().await {
             task_completion_bar.set_message(format!("task #{}", count));