[CI/Build][CPU] Fix flaky CI image build failure and unexpected warnings (#44852)

Signed-off-by: jiang1.li <jiang1.li@intel.com>

Li, Jiang committed Jun 8, 2026 at 19:10 UTC 980796cd075cb8e2591352a725e8adb668152aab

2 files changed +5 -4

docker/Dockerfile.cpu

+3 -3

@@ -118,9 +118,9 @@ ENV CARGO_BUILD_JOBS=4

118 # Build the release binary. Cache cargo registry/git and target/, but copy the

119 # binary out of the target/ cache mount so it persists into the image layer

120 # for later COPY --from=rust-build.

121 -RUN --mount=type=cache,target=/root/.cargo/registry \

122 - --mount=type=cache,target=/root/.cargo/git \

123 - --mount=type=cache,target=/workspace/rust/target \

121 +RUN --mount=type=cache,target=/root/.cargo/registry,sharing=locked \

122 + --mount=type=cache,target=/root/.cargo/git,sharing=locked \

123 + --mount=type=cache,target=/workspace/rust/target,sharing=locked \

124 VLLM_RS_TARGET_PATH=/workspace/vllm-rs bash build_rust.sh

125

126 ######################### BUILD IMAGE #########################

vllm/_custom_ops.py

+2 -1

@@ -3537,10 +3537,11 @@ class CPUDNNLGEMMHandler:

3537 self.handler_tensor: torch.Tensor | None = None

3538 self.n = -1

3539 self.k = -1

3540 + self.dtor = torch.ops._C.release_dnnl_matmul_handler

3541

3542 def __del__(self):

3543 if self.handler_tensor is not None:

3543 - torch.ops._C.release_dnnl_matmul_handler(self.handler_tensor.item())

3544 + self.dtor(self.handler_tensor.item())

3545

3546

3547 _supports_onednn = bool(hasattr(torch.ops._C, "create_onednn_mm_handler"))