notifications: log directly on temp root creation

Author: djc

src/dist/temp.rs

@@ -91,7 +91,7 @@ impl Context {
 
     pub(crate) fn create_root(&self) -> Result<bool> {
         raw::ensure_dir_exists(&self.root_directory, |p| {
-            (self.notify_handler)(Notification::CreatingRoot(p));
+            debug!(path = %p.display(), "creating temp root");
         })
         .with_context(|| CreatingError::Root(PathBuf::from(&self.root_directory)))
     }

src/notifications.rs

@@ -52,7 +52,6 @@ pub enum Notification<'a> {
     Error(String),
     UsingCurl,
     UsingReqwest,
-    CreatingRoot(&'a Path),
     CreatingFile(&'a Path),
     SetAutoInstall(&'a str),
     SetDefaultToolchain(Option<&'a ToolchainName>),
@@ -115,7 +114,7 @@ impl Notification<'_> {
             | UsingCurl
             | UsingReqwest => NotificationLevel::Debug,
             Error(_) => NotificationLevel::Error,
-            CreatingRoot(_) | CreatingFile(_) => NotificationLevel::Debug,
+            CreatingFile(_) => NotificationLevel::Debug,
             ToolchainDirectory(_)
             | LookingForToolchain(_)
             | InstallingToolchain(_)
@@ -245,7 +244,6 @@ impl Display for Notification<'_> {
             ResumingPartialDownload => write!(f, "resuming partial download"),
             UsingCurl => write!(f, "downloading with curl"),
             UsingReqwest => write!(f, "downloading with reqwest"),
-            CreatingRoot(path) => write!(f, "creating temp root: {}", path.display()),
             CreatingFile(path) => write!(f, "creating temp file: {}", path.display()),
             SetAutoInstall(auto) => write!(f, "auto install set to '{auto}'"),
             SetDefaultToolchain(None) => write!(f, "default toolchain unset"),