message: Change rust version
diff: @@ -16,7 +16,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
  ENV RUSTUP_HOME=/usr/local/rustup \
  CARGO_HOME=/usr/local/cargo \
  PATH=/usr/local/cargo/bin:$PATH \
  - RUST_VERSION=1.43.0
  + RUST_VERSION=1.51.0
  RUN set -eux; \
  curl -sSLf "https://static.rust-lang.org/rustup/archive/1.20.2/x86_64-unknown-linux-gnu/rustup-init" -o rustup-init; \
  