[python] 패키지 설치 오류: Cargo, the Rust package manager, is not installed or is not on PATH.

에러 메시지

Cargo, the Rust package manager, is not installed or is not on PATH.

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

해결법 : Rust 설치

러스트 설치

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

• https://www.rust-lang.org/tools/install

환경변수 갱신

source $HOME/.cargo/env

Rust 설치 확인

rustc --version
cargo --version

문제가 되었던 패키지 다시 설치

pip install polaris-lib