diff --git a/README.md b/README.md
index e8ec1cf1fdf..47510a6422f 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ against a released version of Rust will not work, nor will the Rust
 'master' branch. The commit below will *probably* work. If it does not
 then the topic in #servo might know better.
 
-* Last known-good Rust commit: a0fda80a528122183938e4f0297102adffd62639
+* Last known-good Rust commit: 624fbbd
 
 [rust]: http://www.rust-lang.org
 
diff --git a/src/servo-gfx/render_layers.rs b/src/servo-gfx/render_layers.rs
index 577db98bdea..fa6a79c341f 100644
--- a/src/servo-gfx/render_layers.rs
+++ b/src/servo-gfx/render_layers.rs
@@ -33,7 +33,7 @@ pub fn render_layers(layer_ref: *RenderLayer,
                      f: RenderFn) -> LayerBufferSet {
     let tile_size = opts.tile_size;
 
-    let mut buffers = match move buffer_set { LayerBufferSet { buffers: move b } => move b };
+    let mut _buffers = match move buffer_set { LayerBufferSet { buffers: move b } => move b };
 
     // FIXME: Try not to create a new array here.
     let new_buffer_ports = dvec::DVec();
diff --git a/src/servo-gfx/render_task.rs b/src/servo-gfx/render_task.rs
index 926a40f7ae1..4c42055e321 100644
--- a/src/servo-gfx/render_task.rs
+++ b/src/servo-gfx/render_task.rs
@@ -14,7 +14,7 @@ use geom::matrix2d::Matrix2D;
 use std::arc::ARC;
 use std::arc;
 use std::cell::Cell;
-use std::thread_pool::ThreadPool;
+use std::task_pool::TaskPool;
 
 pub enum Msg {
     RenderMsg(RenderLayer),
@@ -37,7 +37,7 @@ pub fn RenderTask<C: Compositor Send>(compositor: C, opts: Opts) -> RenderTask {
         let n_threads = opts.n_render_threads;
         let new_opts_cell = Cell(move opts);
 
-        let thread_pool = do ThreadPool::new(n_threads, Some(SingleThreaded))
+        let thread_pool = do TaskPool::new(n_threads, Some(SingleThreaded))
                 |move new_opts_cell| {
             let opts_cell = Cell(new_opts_cell.with_ref(|o| copy *o));
             let f: ~fn(uint) -> ThreadRenderContext = |thread_index, move opts_cell| {
@@ -71,7 +71,7 @@ priv struct Renderer<C: Compositor Send> {
     port: comm::Port<Msg>,
     compositor: C,
     layer_buffer_set_port: Cell<pipes::Port<LayerBufferSet>>,
-    thread_pool: ThreadPool<ThreadRenderContext>,
+    thread_pool: TaskPool<ThreadRenderContext>,
     opts: Opts,
 }