Upgrade to Rust 1.86 for Trixie

Signed-off-by: Saikrishna Arcot <[email protected]>
Signed-off-by: Feng Pan <[email protected]>

Author: saiarcot895

sonic-slave-trixie/Dockerfile.j2

@@ -760,7 +760,7 @@ RUN curl -fsSL -o /usr/local/bin/bazel ${bazelisk_url} && chmod 755 /usr/local/b
 
 # Install Rust
 ARG RUST_ROOT=/usr/.cargo
-RUN RUSTUP_HOME=$RUST_ROOT CARGO_HOME=$RUST_ROOT bash -c 'curl --proto "=https" -sSf https://sh.rustup.rs | sh -s -- --default-toolchain 1.79.0 -y'
+RUN RUSTUP_HOME=$RUST_ROOT CARGO_HOME=$RUST_ROOT bash -c 'curl --proto "=https" -sSf https://sh.rustup.rs | sh -s -- --default-toolchain 1.86.0 -y'
 {% if CROSS_BUILD_ENVIRON == "y" and CONFIGURED_ARCH == "armhf" %}
 RUN mkdir -p /.cargo && $RUST_ROOT/bin/rustup target add armv7-unknown-linux-gnueabihf && echo "[target.armv7-unknown-linux-gnueabihf]\nlinker = \"arm-linux-gnueabihf-gcc\"" >> /.cargo/config.toml
 {% endif -%}
@@ -770,6 +770,9 @@ RUN mkdir -p /.cargo && $RUST_ROOT/bin/rustup target add aarch64-unknown-linux-g
 ENV RUSTUP_HOME=$RUST_ROOT
 ENV PATH=$PATH:$RUST_ROOT/bin
 
+# Install cargo-tarpaulin for code coverage
+RUN $RUST_ROOT/bin/cargo install --locked cargo-tarpaulin
+
 {# Include vendor-defined rules for slave container if it exists.  Contained in ../files #}
 {% with DEBIAN_VERSION='trixie' %}
 {% include 'files/sonic-slave-Dockerfile.vendor.j2' ignore missing %}