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authorAlex Crichton <alex@alexcrichton.com>2014-10-02 14:49:29 -0700
committerAlex Crichton <alex@alexcrichton.com>2014-10-02 14:49:29 -0700
commit4c8d0334ee480d54b6917e780cfa2da3747ecfc1 (patch)
tree70b74727ab70d4d735264480eb23551d3595601c /src/libstd/io
parentb58f77e234ef40c4f19f9dc44c2be2c21163f851 (diff)
parent53cdaa58d30216c1f8f2536ab8cb307e3cec8611 (diff)
downloadrust-4c8d0334ee480d54b6917e780cfa2da3747ecfc1.tar.gz
rust-4c8d0334ee480d54b6917e780cfa2da3747ecfc1.zip
rollup merge of #17719 : alexcrichton/diagnose
Diffstat (limited to 'src/libstd/io')
-rw-r--r--src/libstd/io/process.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libstd/io/process.rs b/src/libstd/io/process.rs
index 5220e5c984a..d8be92e4514 100644
--- a/src/libstd/io/process.rs
+++ b/src/libstd/io/process.rs
@@ -958,7 +958,9 @@ mod tests {
             // don't check windows magical empty-named variables
             assert!(k.is_empty() ||
                     output.as_slice()
-                          .contains(format!("{}={}", *k, *v).as_slice()));
+                          .contains(format!("{}={}", *k, *v).as_slice()),
+                    "output doesn't contain `{}={}`\n{}",
+                    k, v, output);
         }
     }
     #[cfg(target_os="android")]