make rust-project deps oss compatible (#4506)

Summary:
Pull Request resolved: https://github.com/pytorch/executorch/pull/4506

Fixes while trying to get `buck2 run //integrations/rust-project` working

X-link: https://github.com/facebook/buck2/pull/729

Reviewed By: Wilfred, larryliu0820, darichey

Differential Revision: D60592378

Pulled By: davidbarsky

fbshipit-source-id: 6225e06c975642e004b376a6361683456b2eac7d