message: Trying to fix brew upgrade
diff: @@ -39,10 +39,13 @@ jobs:
  curl -O https://cmake.org/files/v3.4/cmake-3.4.1-Darwin-x86_64.tar.gz
  tar xf cmake-3.4.1-Darwin-x86_64.tar.gz
  export PATH="`pwd`/cmake-3.4.1-Darwin-x86_64/CMake.app/Contents/bin:$PATH"
  + - run:
  + name: Upgrade Brew
  + command: brew upgrade
  + halt_build_on_fail: false
  - run:
  name: Install libffi dependencies
  command: |
  - brew upgrade
  brew install autoconf automake libtool
  - run:
  name: Install Rust
  @@ -121,10 +124,13 @@ jobs:
  curl -O https://cmake.org/files/v3.4/cmake-3.4.1-Darwin-x86_64.tar.gz
  tar xf cmake-3.4.1-Darwin-x86_64.tar.gz
  export PATH="`pwd`/cmake-3.4.1-Darwin-x86_64/CMake.app/Contents/bin:$PATH"
  + - run:
  + name: Upgrade Brew
  + command: brew upgrade
  + halt_build_on_fail: false
  - run:
  name: Install libffi dependencies
  command: |
  - brew upgrade
  brew install autoconf automake libtool
  - run:
  name: Install Rust
  