buildx failed with: ERROR: failed to solve: process "/bin/sh -c case ${TARGETARCH} in\n \"amd64\") SWIFTARCH=x86_64 ;;\n \"arm64\") SWIFTARCH=aarch64 ;;\n *) echo \"ERROR: Machine arch ${TARGETARCH} not supported.\" ;;\n esac\n swift build -c release --product protoc-gen-swift --swift-sdk $SWIFTARCH-swift-linux-musl\n swift build -c release --product protoc-gen-grpc-swift --swift-sdk $SWIFTARCH-swift-linux-musl\n install -D /grpc-swift/.build/release/protoc-gen-swift /out/usr/bin/protoc-gen-swift && \\\n install -D /grpc-swift/.build/release/protoc-gen-grpc-swift /out/usr/bin/protoc-gen-grpc-swift\n" did not complete successfully: exit code: 1

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