https://static.rust-lang.org/dist/rustc-1.41.1-src.tar.xz
https://static.rust-lang.org/dist/2019-12-19/rust-std-1.40.0-x86_64-unknown-linux-musl.tar.xz?no-extract
https://static.rust-lang.org/dist/2019-12-19/rustc-1.40.0-x86_64-unknown-linux-musl.tar.xz?no-extract
https://static.rust-lang.org/dist/2019-12-19/cargo-0.41.0-x86_64-unknown-linux-musl.tar.xz?no-extract
patches/musl.patch