This is failing with:

```
/home/flaper87/workspace/personal/rust/src/libstd/cell.rs:18:12: 18:17 error: mismatched types: expected `std::kinds::marker::InvariantType<T>` but found `&std::kinds::marker::InvariantType<T>` (expected struct st
d::kinds::marker::InvariantType but found &-ptr)
/home/flaper87/workspace/personal/rust/src/libstd/cell.rs:18 #[deriving(Clone)]
                                                                        ^~~~~
/home/flaper87/workspace/personal/rust/src/libstd/cell.rs:18:12: 18:17 error: mismatched types: expected `std::kinds::marker::NoFreeze` but found `&std::kinds::marker::NoFreeze` (expected struct std::kinds::marker
::NoFreeze but found &-ptr)
/home/flaper87/workspace/personal/rust/src/libstd/cell.rs:18 #[deriving(Clone)]
                                                                        ^~~~~
error: aborting due to 2 previous errors
make: *** [x86_64-unknown-linux-gnu/stage1/test/stdtest-x86_64-unknown-linux-gnu] Error 101
```