docker/release_dockerfile: Update Rust Version
@@ -8,7 +8,7 @@ RUN yum update -y
RUN yum install -y devtoolset-4-gcc-c++ python27
RUN yum clean all
-RUN curl -sSf https://static.rust-lang.org/rustup.sh | sh -s -- --date=2018-01-12 --disable-sudo -y --channel=nightly
+RUN curl -sSf https://static.rust-lang.org/rustup.sh | sh -s -- --date=2018-04-06 --disable-sudo -y --channel=nightly
ADD https://github.com/pingcap/tikv/archive/master.tar.gz /master.tar.gz
