Fix broken tests

src/libcore/os.rs

@@ -968,7 +968,7 @@ mod tests {
         assert vec::len(e) > 0u;
         for vec::each(e) |p| {
             let (n, v) = copy *p;
-            log(debug, n);
+            log(debug, copy n);
             let v2 = getenv(n);
             // MingW seems to set some funky environment variables like
             // "=C:=C:\MinGW\msys\1.0\bin" and "!::=::\" that are returned
@@ -1060,7 +1060,7 @@ mod tests {
         assert (vec::len(dirs) > 0u);
 
         for vec::each(dirs) |dir| {
-            log(debug, *dir);
+            log(debug, copy *dir);
         }
     }
 

src/libcore/run.rs

@@ -134,7 +134,7 @@ fn with_envp<T>(env: &Option<~[(~str,~str)]>,
           Some(ref es) if !vec::is_empty(*es) => {
             let mut blk : ~[u8] = ~[];
             for vec::each(*es) |e| {
-                let (k,v) = *e;
+                let (k,v) = copy *e;
                 let t = fmt!("%s=%s", k, v);
                 let mut v : ~[u8] = ::cast::reinterpret_cast(&t);
                 blk += v;