diff --git a/src/libcore/io.rs b/src/libcore/io.rs
index 570df08e77c..424620271a2 100644
--- a/src/libcore/io.rs
+++ b/src/libcore/io.rs
@@ -1123,7 +1123,7 @@ mod tests {
         log(debug, tmpfile);
         let frood: ~str =
             ~"A hoopy frood who really knows where his towel is.";
-        log(debug, frood);
+        log(debug, copy frood);
         {
             let out: io::Writer =
                 result::get(
@@ -1132,7 +1132,7 @@ mod tests {
         }
         let inp: io::Reader = result::get(&io::file_reader(tmpfile));
         let frood2: ~str = inp.read_c_str();
-        log(debug, frood2);
+        log(debug, copy frood2);
         assert frood == frood2;
     }
 
diff --git a/src/libcore/os.rs b/src/libcore/os.rs
index ea97b3ce026..e793155c267 100644
--- a/src/libcore/os.rs
+++ b/src/libcore/os.rs
@@ -946,7 +946,7 @@ mod tests {
         while i < 100 { s += ~"aaaaaaaaaa"; i += 1; }
         let n = make_rand_name();
         setenv(n, s);
-        log(debug, s);
+        log(debug, copy s);
         assert getenv(n) == option::Some(move s);
     }
 
@@ -955,7 +955,7 @@ mod tests {
         let path = os::self_exe_path();
         assert path.is_some();
         let path = path.get();
-        log(debug, path);
+        log(debug, copy path);
 
         // Hard to test this function
         assert path.is_absolute;
diff --git a/src/libcore/run.rs b/src/libcore/run.rs
index 7afcb4f3c99..298848b6e58 100644
--- a/src/libcore/run.rs
+++ b/src/libcore/run.rs
@@ -440,8 +440,8 @@ mod tests {
         readclose(pipe_err.in);
         os::waitpid(pid);
 
-        log(debug, expected);
-        log(debug, actual);
+        log(debug, copy expected);
+        log(debug, copy actual);
         assert (expected == actual);
     }
 
diff --git a/src/test/run-pass/alt-implicit-copy-unique.rs b/src/test/run-pass/alt-implicit-copy-unique.rs
index eca726e8277..502df31ad17 100644
--- a/src/test/run-pass/alt-implicit-copy-unique.rs
+++ b/src/test/run-pass/alt-implicit-copy-unique.rs
@@ -1,6 +1,6 @@
 fn main() {
     let x = ~{mut a: ~10, b: ~20};
     match x {
-      ~{a, b} => { assert *a == 10; (*x).a = ~30; assert *a == 30; }
+      ~{ref a, ref b} => { assert **a == 10; (*x).a = ~30; assert **a == 30; }
     }
 }
diff --git a/src/test/run-pass/block-iter-2.rs b/src/test/run-pass/block-iter-2.rs
index 6389ef0f644..e15dcf5f903 100644
--- a/src/test/run-pass/block-iter-2.rs
+++ b/src/test/run-pass/block-iter-2.rs
@@ -6,8 +6,8 @@ fn iter_vec<T>(v: ~[T], f: fn(T)) { for v.each |x| { f(*x); } }
 fn main() {
     let v = ~[1, 2, 3, 4, 5];
     let mut sum = 0;
-    iter_vec(v, |i| {
-        iter_vec(v, |j| {
+    iter_vec(copy v, |i| {
+        iter_vec(copy v, |j| {
             log(error, i * j);
             sum += i * j;
         });
diff --git a/src/test/run-pass/block-vec-map2.rs b/src/test/run-pass/block-vec-map2.rs
index d270800de11..7ab8ccb0b5b 100644
--- a/src/test/run-pass/block-vec-map2.rs
+++ b/src/test/run-pass/block-vec-map2.rs
@@ -5,6 +5,6 @@ fn main() {
         vec::map2(~[1, 2, 3, 4, 5],
                   ~[true, false, false, true, true],
                   |i, b| if *b { -(*i) } else { *i } );
-    log(error, v);
+    log(error, copy v);
     assert (v == ~[-1, 2, 3, -4, -5]);
 }
diff --git a/src/test/run-pass/class-cast-to-trait-multiple-types.rs b/src/test/run-pass/class-cast-to-trait-multiple-types.rs
index f0581c2df8c..4c5d944fed1 100644
--- a/src/test/run-pass/class-cast-to-trait-multiple-types.rs
+++ b/src/test/run-pass/class-cast-to-trait-multiple-types.rs
@@ -76,8 +76,8 @@ fn annoy_neighbors<T: noisy>(critter: T) {
 fn main() {
   let nyan : cat  = cat(0u, 2, ~"nyan");
   let whitefang : dog = dog();
-  annoy_neighbors(nyan as noisy);
-  annoy_neighbors(whitefang as noisy);
+  annoy_neighbors((copy nyan) as noisy);
+  annoy_neighbors((copy whitefang) as noisy);
   assert(nyan.meow_count() == 10u);
   assert(*whitefang.volume == 1);
-}
\ No newline at end of file
+}
diff --git a/src/test/run-pass/class-implement-traits.rs b/src/test/run-pass/class-implement-traits.rs
index 396dbc5ae81..b91119643b7 100644
--- a/src/test/run-pass/class-implement-traits.rs
+++ b/src/test/run-pass/class-implement-traits.rs
@@ -44,7 +44,7 @@ fn cat(in_x : uint, in_y : int, in_name: ~str) -> cat {
     cat {
         meows: in_x,
         how_hungry: in_y,
-        name: in_name
+        name: copy in_name
     }
 }
 
diff --git a/src/test/run-pass/explicit-self.rs b/src/test/run-pass/explicit-self.rs
index f72005a54f0..479a9d51ca0 100644
--- a/src/test/run-pass/explicit-self.rs
+++ b/src/test/run-pass/explicit-self.rs
@@ -60,7 +60,7 @@ fn main() {
     assert x.quux() == 10;
 
     let y = ~thing({mut a: @10});
-    assert y.bar() == 10;
+    assert (copy y).bar() == 10;
     assert y.quux() == 10;
 
     let z = thing({mut a: @11});
diff --git a/src/test/run-pass/expr-alt-generic-unique1.rs b/src/test/run-pass/expr-alt-generic-unique1.rs
index 264f03ee2c3..13ed25c9995 100644
--- a/src/test/run-pass/expr-alt-generic-unique1.rs
+++ b/src/test/run-pass/expr-alt-generic-unique1.rs
@@ -4,7 +4,10 @@
 type compare<T> = fn@(~T, ~T) -> bool;
 
 fn test_generic<T: Copy>(expected: ~T, eq: compare<T>) {
-    let actual: ~T = match true { true => { expected }, _ => fail ~"wat" };
+    let actual: ~T = match true {
+        true => { copy expected },
+        _ => fail ~"wat"
+    };
     assert (eq(expected, actual));
 }
 
diff --git a/src/test/run-pass/expr-alt-generic-unique2.rs b/src/test/run-pass/expr-alt-generic-unique2.rs
index 47ea3cecd6d..e865bd25208 100644
--- a/src/test/run-pass/expr-alt-generic-unique2.rs
+++ b/src/test/run-pass/expr-alt-generic-unique2.rs
@@ -6,7 +6,10 @@
 type compare<T> = fn@(T, T) -> bool;
 
 fn test_generic<T: Copy>(expected: T, eq: compare<T>) {
-    let actual: T = match true { true => expected, _ => fail ~"wat" };
+    let actual: T = match true {
+        true => copy expected,
+        _ => fail ~"wat"
+    };
     assert (eq(expected, actual));
 }
 
diff --git a/src/test/run-pass/expr-block-generic-unique1.rs b/src/test/run-pass/expr-block-generic-unique1.rs
index 0ccabb2c081..b7af8366c7d 100644
--- a/src/test/run-pass/expr-block-generic-unique1.rs
+++ b/src/test/run-pass/expr-block-generic-unique1.rs
@@ -4,7 +4,7 @@
 type compare<T> = fn@(~T, ~T) -> bool;
 
 fn test_generic<T: Copy>(expected: ~T, eq: compare<T>) {
-    let actual: ~T = { expected };
+    let actual: ~T = { copy expected };
     assert (eq(expected, actual));
 }
 
diff --git a/src/test/run-pass/generic-alias-unique.rs b/src/test/run-pass/generic-alias-unique.rs
index 9d3ac09de7c..05b18e8c651 100644
--- a/src/test/run-pass/generic-alias-unique.rs
+++ b/src/test/run-pass/generic-alias-unique.rs
@@ -4,7 +4,7 @@ fn id<T: Copy Send>(t: T) -> T { return t; }
 
 fn main() {
     let expected = ~100;
-    let actual = id::<~int>(expected);
+    let actual = id::<~int>(copy expected);
     log(debug, *actual);
     assert (*expected == *actual);
 }
diff --git a/src/test/run-pass/hashmap-memory.rs b/src/test/run-pass/hashmap-memory.rs
index 50b88693f39..a14df1608f3 100644
--- a/src/test/run-pass/hashmap-memory.rs
+++ b/src/test/run-pass/hashmap-memory.rs
@@ -42,7 +42,7 @@ mod map_reduce {
         fn emit(im: map::HashMap<~str, int>, ctrl: Chan<ctrl_proto>, key: ~str,
                 val: ~str) {
             let mut c;
-            match im.find(key) {
+            match im.find(copy key) {
               Some(_c) => { c = _c }
               None => {
                 let p = Port();
@@ -70,7 +70,7 @@ mod map_reduce {
 
         reducers = map::HashMap();
 
-        start_mappers(Chan(&ctrl), inputs);
+        start_mappers(Chan(&ctrl), copy inputs);
 
         let mut num_mappers = vec::len(inputs) as int;
 
diff --git a/src/test/run-pass/issue-2718.rs b/src/test/run-pass/issue-2718.rs
index 82ad82c64a3..d5c6e6bb6d2 100644
--- a/src/test/run-pass/issue-2718.rs
+++ b/src/test/run-pass/issue-2718.rs
@@ -207,8 +207,8 @@ mod pingpong {
     enum pong = pipes::send_packet<ping>;
 
     fn liberate_ping(-p: ping) -> pipes::send_packet<pong> unsafe {
-        let addr : *pipes::send_packet<pong> = match p {
-          ping(x) => { cast::transmute(ptr::addr_of(&x)) }
+        let addr : *pipes::send_packet<pong> = match &p {
+          &ping(x) => { cast::transmute(ptr::addr_of(&x)) }
         };
         let liberated_value = move *addr;
         cast::forget(move p);
@@ -216,8 +216,8 @@ mod pingpong {
     }
 
     fn liberate_pong(-p: pong) -> pipes::send_packet<ping> unsafe {
-        let addr : *pipes::send_packet<ping> = match p {
-          pong(x) => { cast::transmute(ptr::addr_of(&x)) }
+        let addr : *pipes::send_packet<ping> = match &p {
+          &pong(x) => { cast::transmute(ptr::addr_of(&x)) }
         };
         let liberated_value = move *addr;
         cast::forget(move p);
diff --git a/src/test/run-pass/issue-2804.rs b/src/test/run-pass/issue-2804.rs
index 7ef4ef22560..867c023ccf1 100644
--- a/src/test/run-pass/issue-2804.rs
+++ b/src/test/run-pass/issue-2804.rs
@@ -31,9 +31,9 @@ fn lookup(table: ~json::Object, key: ~str, default: ~str) -> ~str
 
 fn add_interface(store: int, managed_ip: ~str, data: std::json::Json) -> (~str, object)
 {
-    match data
+    match &data
     {
-        std::json::Object(interface) =>
+        &std::json::Object(interface) =>
         {
             let name = lookup(interface, ~"ifDescr", ~"");
             let label = fmt!("%s-%s", managed_ip, name);