Install Rust in rocky9 from the standalone tarball in sources

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

rocky9/Dockerfile

@@ -36,17 +36,11 @@ RUN dnf install --assumeyes --enablerepo=crb \
 
 RUN git config --global url."https://wangguofang.net/github.com/".insteadOf "https://github.com/"
 
-RUN export RUSTUP_DIST_SERVER="https://mirrors.ustc.edu.cn/rust-static" \
-    && export RUSTUP_UPDATE_ROOT="https://mirrors.ustc.edu.cn/rust-static/rustup" \
-    && RUST_ARCH="$(uname -m)" \
-    && curl --fail --location --output rustup-init \
-        "https://mirrors.ustc.edu.cn/rust-static/rustup/archive/1.28.2/${RUST_ARCH}-unknown-linux-gnu/rustup-init" \
-    && chmod +x rustup-init \
-    && ./rustup-init -y --default-toolchain none \
-    && rm rustup-init \
-    && "$HOME/.cargo/bin/rustup" --version \
-    && "$HOME/.cargo/bin/rustup" toolchain install 1.98.0 --profile minimal \
-    && ln --symbolic "$HOME"/.cargo/bin/* /usr/local/bin/
+RUN --mount=type=bind,from=sources,source=rust-1.99.1-x86_64-unknown-linux-gnu.tar.xz,target=/tmp/rust.tar.xz \
+    mkdir rust-src \
+    && tar -xJf /tmp/rust.tar.xz -C rust-src --strip-components=1 \
+    && rust-src/install.sh --prefix=/usr/local --without=rust-docs \
+    && rm -rf rust-src
 
 RUN --mount=type=bind,from=sources,source=boost_1_83_0.tar.bz2,target=/tmp/boost.tar.bz2 \
     mkdir src \