Ensure no more binaries are checked in about cargo HOT 9 CLOSED

$ git ls-files | grep -v libs/ | xargs du -c | sort -n
4       DESIGN/LIBS.md
4       .gitignore
4       .gitmodules
4       LICENSE-MIT
4       Makefile
4       README.md
4       src/bin/cargo-build.rs
4       src/bin/cargo-git-checkout.rs
4       src/bin/cargo-read-manifest.rs
4       src/bin/cargo-rustc.rs
4       src/bin/cargo-verify-project.rs
4       src/cargo/core/dependency.rs
4       src/cargo/core/errors.rs
4       src/cargo/core/mod.rs
4       src/cargo/core/package_id.rs
4       src/cargo/core/registry.rs
4       src/cargo/core/summary.rs
4       src/cargo/ops/cargo_compile.rs
4       src/cargo/ops/cargo_read_manifest.rs
4       src/cargo/ops/mod.rs
4       src/cargo/sources/git/mod.rs
4       src/cargo/sources/mod.rs
4       src/cargo/sources/path.rs
4       src/cargo/util/graph.rs
4       src/cargo/util/important_paths.rs
4       src/cargo/util/mod.rs
4       src/cargo/util/paths.rs
4       src/cargo/util/result.rs
4       tests/fixtures/hello.rs
4       tests/support/paths.rs
4       tests/test_shell.rs
4       tests/tests.rs
4       .travis.check.style.sh
4       .travis.install.deps.sh
4       .travis.yml
4       .vimrc
8       DESIGN/DESIGN.md
8       DESIGN/MANIFEST.md
8       MANIFEST.md
8       src/bin/cargo.rs
8       src/cargo/core/manifest.rs
8       src/cargo/core/package.rs
8       src/cargo/core/resolver.rs
8       src/cargo/core/shell.rs
8       src/cargo/core/source.rs
8       src/cargo/lib.rs
8       src/cargo/ops/cargo_rustc.rs
8       src/cargo/sources/git/source.rs
8       src/cargo/util/config.rs
8       src/cargo/util/errors.rs
8       src/cargo/util/process_builder.rs
8       src/cargo/util/toml.rs
12      LICENSE-APACHE
12      src/cargo/core/version_req.rs
12      src/cargo/sources/git/utils.rs
12      tests/support/mod.rs
12      tests/test_cargo_compile_path_deps.rs
16      tests/test_cargo_compile_git_deps.rs
16      tests/test_cargo_compile.rs
4028    tests/tests
4392    total

git filter-branch -f --index-filter 'git rm --cached --ignore-unmatch res' HEAD
git filter-branch -f --index-filter 'git rm --cached --ignore-unmatch tests/tests' HEAD