Rust error

gistfile1.txt

/media/linhaus/rust/src/libstd/arena.rs:37:0: 78:1 error: type, variant, or trait must be camel case
/media/linhaus/rust/src/libstd/arena.rs:37 impl &Arena {
/media/linhaus/rust/src/libstd/arena.rs:38     fn alloc_grow(n_bytes: uint, align: uint) -> *() {
/media/linhaus/rust/src/libstd/arena.rs:39         // Allocate a new chunk.
/media/linhaus/rust/src/libstd/arena.rs:40         let mut head = list::head(self.chunks);
/media/linhaus/rust/src/libstd/arena.rs:41         let chunk_size = vec::capacity(head.data);
/media/linhaus/rust/src/libstd/arena.rs:42         let new_min_chunk_size = uint::max(n_bytes, chunk_size);
                                           ...
error: aborting due to previous error
make: *** [x86_64-unknown-linux-gnu/stage0/lib/rustc/x86_64-unknown-linux-gnu/lib/libstd.so] Error 101