SRC_URI += " \
    https://static.rust-lang.org/dist/${RUST_STD_SNAPSHOT}.tar.xz;name=rust-std-snapshot-${BUILD_ARCH};subdir=rust-snapshot-components \
    https://static.rust-lang.org/dist/${RUSTC_SNAPSHOT}.tar.xz;name=rustc-snapshot-${BUILD_ARCH};subdir=rust-snapshot-components \
    https://static.rust-lang.org/dist/${CARGO_SNAPSHOT}.tar.xz;name=cargo-snapshot-${BUILD_ARCH};subdir=rust-snapshot-components \
"

RUST_STD_SNAPSHOT = "rust-std-${RS_VERSION}-${BUILD_ARCH}-unknown-linux-gnu"
RUSTC_SNAPSHOT = "rustc-${RS_VERSION}-${BUILD_ARCH}-unknown-linux-gnu"
CARGO_SNAPSHOT = "cargo-${CARGO_VERSION}-${BUILD_ARCH}-unknown-linux-gnu"