diff --git a/src/servo/css/parser_util.rs b/src/servo/css/parser_util.rs
index 19352128c94..663fb7fdd2e 100644
--- a/src/servo/css/parser_util.rs
+++ b/src/servo/css/parser_util.rs
@@ -100,8 +100,8 @@ mod test {
     #[test]
     fn should_match_font_sizes() {
         let input = ~"* {font-size:12px; font-size:inherit; font-size:200%; font-size:x-small}";
-        let token_port = spawn_css_lexer_from_string(input);
-        let _actual_rule = build_stylesheet(token_port);
+        let token_port = spawn_css_lexer_from_string(move input);
+        let _actual_rule = build_stylesheet(move token_port);
         let _expected_rule : Stylesheet = ~[~(~[~Element(~"*", ~[])],
                                              ~[FontSize(Specified(LengthSize(Px(12.0)))),
                                                FontSize(Specified(PercentSize(100.0))),
@@ -115,8 +115,8 @@ mod test {
     #[test]
     fn should_match_width_height() {
         let input = ~"* {width:20%; height:auto; width:20px; width:3in; height:70px; height:30px}";
-        let token_port = spawn_css_lexer_from_string(input);
-        let _actual_rule = build_stylesheet(token_port);
+        let token_port = spawn_css_lexer_from_string(move input);
+        let _actual_rule = build_stylesheet(move token_port);
         let _expected_rule : Stylesheet = ~[~(~[~Element(~"*", ~[])],
                                              ~[Width(Specified(BoxPercent(20.0))),
                                                Height(Specified(BoxAuto)),
diff --git a/src/servo/css/resolve/matching.rs b/src/servo/css/resolve/matching.rs
index 608f0aea478..ead820fb886 100644
--- a/src/servo/css/resolve/matching.rs
+++ b/src/servo/css/resolve/matching.rs
@@ -234,9 +234,9 @@ mod test {
     #[allow(non_implicitly_copyable_typarams)]
     fn new_node_from_attr(scope: &NodeScope, name: ~str, val: ~str) -> Node {
         let elmt = ElementData(~"div", ~HTMLDivElement);
-        let attr = ~Attr(name, val);
-        elmt.attrs.push(attr);
-        return scope.new_node(dom::node::Element(elmt));
+        let attr = ~Attr(move name, move val);
+        elmt.attrs.push(move attr);
+        return scope.new_node(dom::node::Element(move elmt));
     }
 
     #[test]
@@ -246,7 +246,7 @@ mod test {
 
         let sel = Element(~"*", ~[StartsWith(~"lang", ~"en")]);
 
-        assert node.matches_selector(~sel);
+        assert node.matches_selector(~move sel);
     }
 
     #[test]
@@ -256,7 +256,7 @@ mod test {
 
         let sel = Element(~"*", ~[StartsWith(~"lang", ~"en")]);
 
-        assert node.matches_selector(~sel);
+        assert node.matches_selector(~move sel);
     }
     
     #[test] 
@@ -266,7 +266,7 @@ mod test {
 
         let sel = Element(~"*", ~[StartsWith(~"lang", ~"en")]);
 
-        assert !node.matches_selector(~sel);
+        assert !node.matches_selector(~move sel);
     }
 
     #[test]
@@ -276,7 +276,7 @@ mod test {
 
         let sel = Element(~"div", ~[Includes(~"mad", ~"hatter")]);
 
-        assert node.matches_selector(~sel);
+        assert node.matches_selector(~move sel);
     }
 
     #[test]
@@ -287,8 +287,8 @@ mod test {
         let sel1 = Element(~"div", ~[Exists(~"mad")]);
         let sel2 = Element(~"div", ~[Exists(~"hatter")]);
 
-        assert node.matches_selector(~sel1);
-        assert !node.matches_selector(~sel2);
+        assert node.matches_selector(~move sel1);
+        assert !node.matches_selector(~move sel2);
     }
 
     #[test]
@@ -300,7 +300,7 @@ mod test {
         let sel = Element(~"div", ~[Exact(~"mad", ~"hatter")]);
 
         assert !node1.matches_selector(~copy sel);
-        assert node2.matches_selector(~sel);
+        assert node2.matches_selector(~move sel);
     }
 
     #[test]
@@ -327,7 +327,7 @@ mod test {
         assert child2.matches_selector(~copy sel1);
         assert gchild.matches_selector(~copy sel1);
         assert ggchild.matches_selector(~copy sel1);
-        assert gggchild.matches_selector(~sel1);
+        assert gggchild.matches_selector(~move sel1);
 
         let sel2 = Descendant(~Child(~Element(~"*", ~[Exact(~"class", ~"blue")]),
                                      ~Element(~"*", ~[])),
@@ -338,7 +338,7 @@ mod test {
         assert !child2.matches_selector(~copy sel2);
         assert gchild.matches_selector(~copy sel2);
         assert ggchild.matches_selector(~copy sel2);
-        assert gggchild.matches_selector(~sel2);
+        assert gggchild.matches_selector(~move sel2);
 
         let sel3 = Sibling(~Element(~"*", ~[]), ~Element(~"*", ~[]));
 
@@ -347,7 +347,7 @@ mod test {
         assert child2.matches_selector(~copy sel3);
         assert !gchild.matches_selector(~copy sel3);
         assert !ggchild.matches_selector(~copy sel3);
-        assert !gggchild.matches_selector(~sel3);
+        assert !gggchild.matches_selector(~move sel3);
 
         let sel4 = Descendant(~Child(~Element(~"*", ~[Exists(~"class")]), ~Element(~"*", ~[])),
                               ~Element(~"*", ~[]));
@@ -357,6 +357,6 @@ mod test {
         assert !child2.matches_selector(~copy sel4);
         assert gchild.matches_selector(~copy sel4);
         assert ggchild.matches_selector(~copy sel4);
-        assert gggchild.matches_selector(~sel4);
+        assert gggchild.matches_selector(~move sel4);
     }
 }
diff --git a/src/servo/gfx/png_compositor.rs b/src/servo/gfx/png_compositor.rs
index 19e85106a47..9051c43ec4d 100644
--- a/src/servo/gfx/png_compositor.rs
+++ b/src/servo/gfx/png_compositor.rs
@@ -95,9 +95,9 @@ fn sanity_check() {
 
         let dlist : DisplayList = DVec();
         let render_layer = RenderLayer { display_list: move dlist, size: Size2D(800u, 600u) };
-        renderer.send(RenderMsg(render_layer));
+        renderer.send(RenderMsg(move render_layer));
         let (exit_chan, exit_response_from_engine) = pipes::stream();
-        renderer.send(render_task::ExitMsg(exit_chan));
+        renderer.send(render_task::ExitMsg(move exit_chan));
         exit_response_from_engine.recv();
 
         compositor.send(Exit)
diff --git a/src/servo/resource/image_cache_task.rs b/src/servo/resource/image_cache_task.rs
index 9007709677e..9c23d6aa993 100644
--- a/src/servo/resource/image_cache_task.rs
+++ b/src/servo/resource/image_cache_task.rs
@@ -518,7 +518,7 @@ fn should_fail_if_unprefetched_image_is_requested() {
     let url = make_url(~"file", None);
 
     let (chan, port) = stream();
-    image_cache_task.send(GetImage(url, chan));
+    image_cache_task.send(GetImage(move url, move chan));
     port.recv();
 }
 
@@ -535,7 +535,7 @@ fn should_request_url_from_resource_task_on_prefetch() {
     let image_cache_task = ImageCacheTask(mock_resource_task);
     let url = make_url(~"file", None);
 
-    image_cache_task.send(Prefetch(url));
+    image_cache_task.send(Prefetch(move url));
     url_requested.recv();
     image_cache_task.exit();
     mock_resource_task.send(resource_task::Exit);
@@ -551,7 +551,7 @@ fn should_fail_if_requesting_decode_of_an_unprefetched_image() {
     let image_cache_task = ImageCacheTask(mock_resource_task);
     let url = make_url(~"file", None);
 
-    image_cache_task.send(Decode(url));
+    image_cache_task.send(Decode(move url));
     image_cache_task.exit();
 }
 
@@ -570,7 +570,7 @@ fn should_fail_if_requesting_image_before_requesting_decode() {
     // no decode message
 
     let (chan, _port) = stream();
-    image_cache_task.send(GetImage(url, chan));
+    image_cache_task.send(GetImage(move url, move chan));
 
     image_cache_task.exit();
     mock_resource_task.send(resource_task::Exit);
@@ -590,7 +590,7 @@ fn should_not_request_url_from_resource_task_on_multiple_prefetches() {
     let url = make_url(~"file", None);
 
     image_cache_task.send(Prefetch(copy url));
-    image_cache_task.send(Prefetch(url));
+    image_cache_task.send(Prefetch(move url));
     url_requested.recv();
     image_cache_task.exit();
     mock_resource_task.send(resource_task::Exit);
@@ -602,7 +602,7 @@ fn should_return_image_not_ready_if_data_has_not_arrived() {
 
     let (wait_chan, wait_port) = pipes::stream();
 
-    let mock_resource_task = do mock_resource_task |response| {
+    let mock_resource_task = do mock_resource_task |response, move wait_port| {
         // Don't send the data until after the client requests
         // the image
         wait_port.recv();
@@ -616,7 +616,7 @@ fn should_return_image_not_ready_if_data_has_not_arrived() {
     image_cache_task.send(Prefetch(copy url));
     image_cache_task.send(Decode(copy url));
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
     assert response_port.recv() == ImageNotReady;
     wait_chan.send(());
     image_cache_task.exit();
@@ -651,7 +651,7 @@ fn should_return_decoded_image_data_if_data_has_arrived() {
     wait_for_image_chan.recv();
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
     match response_port.recv() {
       ImageReady(_) => (),
       _ => fail
@@ -690,7 +690,7 @@ fn should_return_decoded_image_data_for_multiple_requests() {
 
     for iter::repeat(2) {
         let (response_chan, response_port) = stream();
-        image_cache_task.send(GetImage(copy url, response_chan));
+        image_cache_task.send(GetImage(copy url, move response_chan));
         match response_port.recv() {
           ImageReady(_) => (),
           _ => fail
@@ -822,7 +822,7 @@ fn should_return_failed_if_image_bin_cannot_be_fetched() {
     wait_for_prefetech.recv();
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
     match response_port.recv() {
       ImageFailed => (),
       _ => fail
@@ -861,7 +861,7 @@ fn should_return_failed_for_multiple_get_image_requests_if_image_bin_cannot_be_f
     wait_for_prefetech.recv();
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(copy url, response_chan));
+    image_cache_task.send(GetImage(copy url, move response_chan));
     match response_port.recv() {
       ImageFailed => (),
       _ => fail
@@ -869,7 +869,7 @@ fn should_return_failed_for_multiple_get_image_requests_if_image_bin_cannot_be_f
 
     // And ask again, we should get the same response
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
     match response_port.recv() {
       ImageFailed => (),
       _ => fail
@@ -889,7 +889,7 @@ fn should_return_not_ready_if_image_is_still_decoding() {
         response.send(resource_task::Done(result::Ok(())));
     };
 
-    let wait_to_decode_port_cell = Cell(wait_to_decode_port);
+    let wait_to_decode_port_cell = Cell(move wait_to_decode_port);
     let decoder_factory = fn~(move wait_to_decode_port_cell) -> ~fn(&[u8]) -> Option<Image> {
         let wait_to_decode_port = wait_to_decode_port_cell.take();
         fn~(data: &[u8], move wait_to_decode_port) -> Option<Image> {
@@ -899,7 +899,7 @@ fn should_return_not_ready_if_image_is_still_decoding() {
         }
     };
 
-    let image_cache_task = ImageCacheTask_(mock_resource_task, decoder_factory);
+    let image_cache_task = ImageCacheTask_(mock_resource_task, move decoder_factory);
     let url = make_url(~"file", None);
 
     let wait_for_prefetech = Port();
@@ -920,7 +920,7 @@ fn should_return_not_ready_if_image_is_still_decoding() {
 
     // Make the request
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
 
     match response_port.recv() {
       ImageNotReady => (),
@@ -964,7 +964,7 @@ fn should_return_failed_if_image_decode_fails() {
 
     // Make the request
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
 
     match response_port.recv() {
       ImageFailed => (),
@@ -1003,7 +1003,7 @@ fn should_return_image_on_wait_if_image_is_already_loaded() {
     wait_for_decode.recv();
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(WaitForImage(url, response_chan));
+    image_cache_task.send(WaitForImage(move url, move response_chan));
     match response_port.recv() {
       ImageReady(*) => (),
       _ => fail
@@ -1018,7 +1018,7 @@ fn should_return_image_on_wait_if_image_is_not_yet_loaded() {
 
     let (wait_chan, wait_port) = pipes::stream();
 
-    let mock_resource_task = do mock_resource_task |response| {
+    let mock_resource_task = do mock_resource_task |response, move wait_port| {
         wait_port.recv();
         response.send(resource_task::Payload(test_image_bin()));
         response.send(resource_task::Done(result::Ok(())));
@@ -1031,7 +1031,7 @@ fn should_return_image_on_wait_if_image_is_not_yet_loaded() {
     image_cache_task.send(Decode(copy url));
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(WaitForImage(url, response_chan));
+    image_cache_task.send(WaitForImage(move url, move response_chan));
 
     wait_chan.send(());
 
@@ -1049,7 +1049,7 @@ fn should_return_image_failed_on_wait_if_image_fails_to_load() {
 
     let (wait_chan, wait_port) = pipes::stream();
 
-    let mock_resource_task = do mock_resource_task |response| {
+    let mock_resource_task = do mock_resource_task |response, move wait_port| {
         wait_port.recv();
         response.send(resource_task::Payload(test_image_bin()));
         response.send(resource_task::Done(result::Err(())));
@@ -1062,7 +1062,7 @@ fn should_return_image_failed_on_wait_if_image_fails_to_load() {
     image_cache_task.send(Decode(copy url));
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(WaitForImage(url, response_chan));
+    image_cache_task.send(WaitForImage(move url, move response_chan));
 
     wait_chan.send(());
 
@@ -1089,7 +1089,7 @@ fn sync_cache_should_wait_for_images() {
     image_cache_task.send(Decode(copy url));
 
     let (response_chan, response_port) = stream();
-    image_cache_task.send(GetImage(url, response_chan));
+    image_cache_task.send(GetImage(move url, move response_chan));
     match response_port.recv() {
       ImageReady(_) => (),
       _ => fail
diff --git a/src/servo/resource/resource_task.rs b/src/servo/resource/resource_task.rs
index 975a2bbf4e7..9bca9cdf8dc 100644
--- a/src/servo/resource/resource_task.rs
+++ b/src/servo/resource/resource_task.rs
@@ -147,11 +147,11 @@ fn should_delegate_to_scheme_loader() {
         progress_chan.send(Payload(copy payload));
         progress_chan.send(Done(Ok(())));
     };
-    let loader_factories = ~[(~"snicklefritz", loader_factory)];
-    let resource_task = create_resource_task_with_loaders(loader_factories);
+    let loader_factories = ~[(~"snicklefritz", move loader_factory)];
+    let resource_task = create_resource_task_with_loaders(move loader_factories);
     let progress = Port();
     resource_task.send(Load(url::from_str(~"snicklefritz://heya").get(), progress.chan()));
-    assert progress.recv() == Payload(payload);
+    assert progress.recv() == Payload(move payload);
     assert progress.recv() == Done(Ok(()));
     resource_task.send(Exit);
 }
diff --git a/src/servo/text/font.rs b/src/servo/text/font.rs
index 786ae50f8ea..8d6a7aacec9 100644
--- a/src/servo/text/font.rs
+++ b/src/servo/text/font.rs
@@ -162,7 +162,7 @@ fn should_get_glyph_advance_stress() {
     for iter::repeat(100) {
         let (chan, port) = pipes::stream();
         ports += [@move port];
-        do task::spawn {
+        do task::spawn |move chan| {
             let lib = FontCache();
             let font = lib.get_test_font();
             let x = font.glyph_h_advance(40u as GlyphIndex);
diff --git a/src/servo/util/tree.rs b/src/servo/util/tree.rs
index 2f58c8c4d56..40789397a7e 100644
--- a/src/servo/util/tree.rs
+++ b/src/servo/util/tree.rs
@@ -186,7 +186,7 @@ mod test {
             add_child(&dtree, p, *c);
         }
 
-        return {p: p, children: children};
+        return {p: p, children: move children};
     }
 
     #[test]
diff --git a/src/servo/util/url.rs b/src/servo/util/url.rs
index b08260927b1..c84bba41511 100644
--- a/src/servo/util/url.rs
+++ b/src/servo/util/url.rs
@@ -48,7 +48,7 @@ mod make_url_tests {
     #[test]
     fn should_create_absolute_file_url_if_current_url_is_none_and_str_url_looks_filey() {
         let file = ~"local.html";
-        let url = make_url(file, None);
+        let url = make_url(move file, None);
         #debug("url: %?", url);
         assert url.scheme == ~"file";
         assert url.path.contains(os::getcwd().to_str());
@@ -57,9 +57,9 @@ mod make_url_tests {
     #[test]
     fn should_create_url_based_on_old_url_1() {
         let old_str = ~"http://example.com";
-        let old_url = make_url(old_str, None);
+        let old_url = make_url(move old_str, None);
         let new_str = ~"index.html";
-        let new_url = make_url(new_str, Some(old_url));
+        let new_url = make_url(move new_str, Some(move old_url));
         assert new_url.scheme == ~"http";
         assert new_url.host == ~"example.com";
         assert new_url.path == ~"/index.html";
@@ -68,9 +68,9 @@ mod make_url_tests {
     #[test]
     fn should_create_url_based_on_old_url_2() {
         let old_str = ~"http://example.com/";
-        let old_url = make_url(old_str, None);
+        let old_url = make_url(move old_str, None);
         let new_str = ~"index.html";
-        let new_url = make_url(new_str, Some(old_url));
+        let new_url = make_url(move new_str, Some(move old_url));
         assert new_url.scheme == ~"http";
         assert new_url.host == ~"example.com";
         assert new_url.path == ~"/index.html";
@@ -79,9 +79,9 @@ mod make_url_tests {
     #[test]
     fn should_create_url_based_on_old_url_3() {
         let old_str = ~"http://example.com/index.html";
-        let old_url = make_url(old_str, None);
+        let old_url = make_url(move old_str, None);
         let new_str = ~"crumpet.html";
-        let new_url = make_url(new_str, Some(old_url));
+        let new_url = make_url(move new_str, Some(move old_url));
         assert new_url.scheme == ~"http";
         assert new_url.host == ~"example.com";
         assert new_url.path == ~"/crumpet.html";
@@ -90,9 +90,9 @@ mod make_url_tests {
     #[test]
     fn should_create_url_based_on_old_url_4() {
         let old_str = ~"http://example.com/snarf/index.html";
-        let old_url = make_url(old_str, None);
+        let old_url = make_url(move old_str, None);
         let new_str = ~"crumpet.html";
-        let new_url = make_url(new_str, Some(old_url));
+        let new_url = make_url(move new_str, Some(move old_url));
         assert new_url.scheme == ~"http";
         assert new_url.host == ~"example.com";
         assert new_url.path == ~"/snarf/crumpet.html";