Log the debug error trace

For #14425. We can see the error without `error(transparent)` applied by looking at the debug representation.

crates/uv-dev/src/main.rs

@@ -68,6 +68,7 @@ async fn main() -> ExitCode {
     let result = run().await;
     debug!("Took {}ms", start.elapsed().as_millis());
     if let Err(err) = result {
+        debug!("Error trace: {err:?}");
         eprintln!("{}", "uv-dev failed".red().bold());
         for err in err.chain() {
             eprintln!("  {}: {}", "Caused by".red().bold(), err.to_string().trim());

crates/uv/src/commands/publish.rs

@@ -273,6 +273,7 @@ async fn gather_credentials(
                 fetching the trusted publishing token. If you don't want to use trusted \
                 publishing, you can ignore this error, but you need to provide credentials."
             )?;
+            debug!("Error trace: {err:?}");
             writeln!(
                 printer.stderr(),
                 "{}: {err}",

crates/uv/src/commands/python/install.rs

@@ -649,6 +649,7 @@ pub(crate) async fn install(
             .into_iter()
             .sorted_unstable_by(|(key_a, _), (key_b, _)| key_a.cmp(key_b))
         {
+            debug!("Error trace: {err:?}");
             writeln!(
                 printer.stderr(),
                 "{}: Failed to install {}",

crates/uv/src/commands/tool/upgrade.rs

@@ -154,6 +154,7 @@ pub(crate) async fn upgrade(
             .into_iter()
             .sorted_unstable_by(|(name_a, _), (name_b, _)| name_a.cmp(name_b))
         {
+            debug!("Error trace: {err:?}");
             writeln!(
                 printer.stderr(),
                 "{}: Failed to upgrade {}",

crates/uv/src/lib.rs

@@ -2277,6 +2277,7 @@ where
     match result {
         Ok(code) => code.into(),
         Err(err) => {
+            debug!("Error trace: {err:?}");
             let mut causes = err.chain();
             eprintln!(
                 "{}: {}",