From 2b19333a1ba032831eb31c2e4a7b871942e5ee93 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Tue, 2 Feb 2016 09:37:02 -0800
Subject: [PATCH] Improve Debug for PackageId

---
 src/cargo/core/package_id.rs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/cargo/core/package_id.rs b/src/cargo/core/package_id.rs
index 8f682d48c..7d24bbe0e 100644
--- a/src/cargo/core/package_id.rs
+++ b/src/cargo/core/package_id.rs
@@ -13,12 +13,12 @@ use util::{CargoResult, CargoError, short_hash, ToSemver};
 use core::source::SourceId;
 
 /// Identifier for a specific version of a package in a specific source.
-#[derive(Clone, Debug)]
+#[derive(Clone)]
 pub struct PackageId {
     inner: Arc<PackageIdInner>,
 }
 
-#[derive(PartialEq, PartialOrd, Eq, Ord, Debug)]
+#[derive(PartialEq, PartialOrd, Eq, Ord)]
 struct PackageIdInner {
     name: String,
     version: semver::Version,
@@ -189,6 +189,16 @@ impl fmt::Display for PackageId {
     }
 }
 
+impl fmt::Debug for PackageId {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        f.debug_struct("PackageId")
+         .field("name", &self.inner.name)
+         .field("version", &self.inner.version.to_string())
+         .field("source", &self.inner.source_id.to_string())
+         .finish()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::PackageId;
-- 
2.30.2