message: ci: Fix rust build by upgrading toolchain
diff: @@ -17,7 +17,7 @@ executors:
  xcode: 11.6.0
  rust:
  docker:
  - - image: cimg/rust:1.57
  + - image: cimg/rust:1.60
  commands:
  install_macos_deps:
  @@ -288,8 +288,7 @@ commands:
  name: "Install system build dependencies"
  command: |
  sudo apt-get -q update
  - sudo apt-get -qy install cmake --no-install-recommends
  - sudo apt-get -qy install llvm-10-dev clang-10 --no-install-recommends
  + sudo apt-get -qy install llvm-12-dev clang-12 --no-install-recommends
  rust_install_nightly:
  steps:
  