From 7dd0f932a864d97bef5da26a0e148fca3f06d448 Mon Sep 17 00:00:00 2001
From: "Carol (Nichols || Goulding)" <carol.nichols@gmail.com>
Date: Tue, 29 Nov 2016 16:09:00 -0500
Subject: [PATCH] Have a fallback for an empty response

This happens in tests.
---
 src/crates-io/lib.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/crates-io/lib.rs b/src/crates-io/lib.rs
index 12c195edb..e35d82440 100644
--- a/src/crates-io/lib.rs
+++ b/src/crates-io/lib.rs
@@ -202,7 +202,11 @@ impl Registry {
             body.read(buf).unwrap_or(0)
         })?;
         // Can't derive RustcDecodable because JSON has a key named "crate" :(
-        let response = Json::from_str(&body)?;
+        let response = if body.len() > 0 {
+            Json::from_str(&body)?
+        } else {
+            Json::from_str("{}")?
+        };
         let invalid_categories: Vec<String> =
             response
                 .find_path(&["warnings", "invalid_categories"])