Wait for progress-thread before invoking pbh.handle()

Author: algesten

src/build/mod.rs

@@ -381,7 +381,7 @@ impl BuildQueue {
             let notifier = build.notifier;
 
             // use this thread to propagate the progress messages until the sender is dropped.
-            thread::Builder::new()
+            let progress_thread = thread::Builder::new()
                 .name("progress-notifier".into())
                 .spawn(move || {
                     // window/progress notification that we are about to build
@@ -413,6 +413,8 @@ impl BuildQueue {
                 let mut blocked = internals.blocked.lock().unwrap();
                 pbh.blocked_threads.extend(blocked.drain(..));
             }
+            // wait for progress to complete before starting analysis
+            progress_thread.join().expect("progress-notifier panicked!");
             pbh.handle(result);
 
             // Remove the in-progress marker from the build queue.