---

yaml
---
r: 102245
b: refs/heads/master
c: e3a251a
h: refs/heads/master
i:
  102243: f6e5536
v: v3

Author: felixc

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: cdc5729ea2dc98f83c9a88ce7aa0f52ba5a606e6
+refs/heads/master: e3a251a41021ae0f8c0d97235d9da9d38e0d9f4a
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 6e7f170fedd3c526a643c0b2d13863acd982be02
 refs/heads/try: a97642026c18a624ff6ea01075dd9550f8ed07ff

trunk/src/librustdoc/test.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 use std::cell::RefCell;
+use std::io;
 use std::io::Process;
 use std::local_data;
 use std::os;
@@ -128,7 +129,10 @@ fn runtest(test: &str, cratename: &str, libs: HashSet<Path>, should_fail: bool)
     let exe = outdir.path().join("rust_out");
     let out = Process::output(exe.as_str().unwrap(), []);
     match out {
-        Err(e) => fail!("couldn't run the test: {}", e),
+        Err(e) => fail!("couldn't run the test: {}{}", e,
+                        if e.kind == io::PermissionDenied {
+                            " - maybe your tempdir is mounted with noexec?"
+                        } else { "" }),
         Ok(out) => {
             if should_fail && out.status.success() {
                 fail!("test executable succeeded when it should have failed");