What git id should I use. I tried using the master of rust to build the master o...

What git id should I use. I tried using the master of rust to build the master of servo and got:

    make -C src/rust-harfbuzz RUSTFLAGS="-L ../harfbuzz/src/.libs/"
    make[1]: Entering directory `/tmp/servo/build/src/rust-harfbuzz'
    rustc -L ../harfbuzz/src/.libs/ /tmp/servo/src/rust-harfbuzz/harfbuzz.rc -o libharfbuzz.dummy
    make[1]: Leaving directory `/tmp/servo/build/src/rust-harfbuzz'
    RUSTFLAGS="-L ../mozjs/" CFLAGS="-I../mozjs/dist/include" \
                    make -C src/rust-mozjs
    make[1]: Entering directory `/tmp/servo/build/src/rust-mozjs'
    rustc -L ../mozjs/ /tmp/servo/src/rust-mozjs/js.rc -o libjs.dummy
    /tmp/servo/src/rust-mozjs/rust.rs:16:0: 16:8 error: expected item but found 'resource'
    /tmp/servo/src/rust-mozjs/rust.rs:16 resource rt_rsrc(self: {ptr: *JSRuntime}) {
                                        ^~~~~~~~
    make[1]: *** [libjs.dummy] Error 101
    make[1]: Leaving directory `/tmp/servo/build/src/rust-mozjs'
    make: *** [src/rust-mozjs/libmozjs.dummy] Error 2