New upstream version 2018.6

rust/vendor/libc/ci/docker/aarch64-unknown-linux-gnu/Dockerfile

@@ -0,0 +1,7 @@
+FROM ubuntu:17.10
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  gcc libc6-dev ca-certificates \
+  gcc-aarch64-linux-gnu libc6-dev-arm64-cross qemu-user
+ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc \
+    CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUNNER="qemu-aarch64 -L /usr/aarch64-linux-gnu" \
+    PATH=$PATH:/rust/bin