Dockerfile.s390x: fix dependency build in vllm-tgis-adapter install (#355)

`hf-transfer` build  (`vllm-tgis-adapter` dependency) was failing to build because of missing rust dependencies in the final target

Author: dilipgb

Dockerfile.ppc64le.ubi

@@ -12,7 +12,7 @@ ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/
 ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib64:/usr/local/lib:/usr/lib64:/usr/lib
 # install gcc-13, python, rust, openblas
 # Note: A symlink for libatomic.so is created for gcc-13 (linker fails to find to find libatomic otherwise - reqd. for sentencepiece)
-# Note: A dummy file 'control' is created in /tmp/ to artifically create dependencies between stages when building stages in parallel
+# Note: A dummy file 'control' is created in /tmp/ to artificially create dependencies between stages when building stages in parallel
 #       when `--jobs=<N>` is passed with podman build command
 RUN microdnf install -y dnf \
     && dnf install -y https://mirror.stream.centos.org/9-stream/BaseOS/`arch`/os/Packages/centos-gpg-keys-9.0-24.el9.noarch.rpm \
@@ -40,7 +40,7 @@ RUN microdnf install -y dnf \
 # Stage to build torch family
 ###############################################################
 FROM base-builder AS torch-builder
-# buld cache without torch dependent packages
+# build cache without torch dependent packages
 # sentencepiece has linker issues otherwise
 RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,src=requirements-common.txt,dst=/requirements-common.txt,ro \

Dockerfile.s390x.ubi

@@ -104,9 +104,6 @@ ARG PYTHON_VERSION
 ENV LD_LIBRARY_PATH="/opt/vllm/lib64/python${PYTHON_VERSION}/site-packages/torch/lib:/usr/local/lib:$LD_LIBRARY_PATH"
 ENV C_INCLUDE_PATH="/usr/local/include:$C_INCLUDE_PATH"
 ENV UV_LINK_MODE=copy
-ENV CARGO_HOME=/root/.cargo
-ENV RUSTUP_HOME=/root/.rustup
-ENV PATH="$CARGO_HOME/bin:$RUSTUP_HOME/bin:$PATH"
 
 COPY . /workspace/vllm
 WORKDIR /workspace/vllm
@@ -120,6 +117,9 @@ RUN --mount=type=cache,target=/root/.cache/uv \
     --mount=type=bind,from=rust,source=/root/.rustup,target=/root/.rustup,rw \
     --mount=type=bind,from=pyarrow,source=/tmp/arrow/python/dist,target=/tmp/arrow-wheels \
     --mount=type=bind,from=torch-vision,source=/tmp/vision/dist,target=/tmp/vision-wheels/ \
+    CARGO_HOME=/root/.cargo \
+    RUSTUP_HOME=/root/.rustup \
+    PATH="/root/.cargo/bin:/root/.rustup/bin:$PATH" \
      sed -i '/^torch/d' requirements-build.txt && \
      sed -i '/^numba/d' requirements-common.txt && \
      ARROW_WHL_FILE=$(ls /tmp/arrow-wheels/pyarrow-*.whl | head -n 1) && \
@@ -171,6 +171,11 @@ USER root
 ENV GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1
 
 RUN --mount=type=cache,target=/root/.cache/uv \
+    --mount=type=bind,from=rust,source=/root/.cargo,target=/root/.cargo,rw \
+    --mount=type=bind,from=rust,source=/root/.rustup,target=/root/.rustup,rw \
+    CARGO_HOME=/root/.cargo \
+    RUSTUP_HOME=/root/.rustup \
+    PATH="/root/.cargo/bin:/root/.rustup/bin:$PATH" \
     HOME=/root uv pip install "$(echo /workspace/vllm/dist/*.whl)[tensorizer]" vllm-tgis-adapter==0.6.3
 
 ENV GRPC_PORT=8033 \