chore: Fix a few build issues

Author: bradhe

crates/tower-cmd/src/run.rs

@@ -346,7 +346,7 @@ async fn monitor_output(output: OutputReceiver) {
 
 /// monitor_status is a helper function that will monitor the status of a given app and waits for
 /// it to progress to a terminal state.
-async fn monitor_status(mut app: LocalApp) {
+async fn monitor_status(app: LocalApp) {
     loop {
         if let Ok(status) = app.status().await {
             match status {

crates/tower-runtime/src/lib.rs

@@ -71,11 +71,18 @@ pub trait App {
     fn output(&self) -> impl Future<Output = Result<OutputReceiver, Error>> + Send;
 }
 
-#[derive(Default)]
 pub struct AppLauncher<A: App> {
     pub app: Option<A>,
 }
 
+impl<A: App> std::default::Default for AppLauncher<A> {
+    fn default() -> Self {
+        Self {
+            app: None,
+        }
+    }
+}
+
 impl<A: App> AppLauncher<A> {
     pub async fn launch(
         &mut self,

crates/tower-runtime/src/local.rs

@@ -244,7 +244,7 @@ impl App for LocalApp {
                 package: Some(package),
                 child: Some(child),
                 waiter: Mutex::new(rx),
-                status: None,
+                status: Mutex::new(None),
             })
         } else {
             log::error!("failed to spawn process: {}", res.err().unwrap());