$ cargo run --release --features=ssl -- -m ensurepip
 Defaulting to user installation because normal site-packages is not writeable
Looking in links: /var/folders/4l/db5by6f97gl8z692_wckqb3w0000gn/T/tmpsqf2lk1o
Processing /private/var/folders/4l/db5by6f97gl8z692_wckqb3w0000gn/T/tmpsqf2lk1o/setuptools-65.5.0-py3-none-any.whl
Processing /private/var/folders/4l/db5by6f97gl8z692_wckqb3w0000gn/T/tmpsqf2lk1o/pip-22.3.1-py3-none-any.whl
Installing collected packages: setuptools, pip
Successfully installed pip-22.0.4 setuptools-67.4.0
$ cargo run --release --features=ssl -- -m pip
    Finished release [optimized] target(s) in 0.38s
     Running `target/release/rustpython -m pip`
./target/release/rustpython: No module named pip