message: Discard errors on brew upgrade for CircleCI
diff: @@ -41,8 +41,9 @@ jobs:
  export PATH="`pwd`/cmake-3.4.1-Darwin-x86_64/CMake.app/Contents/bin:$PATH"
  - run:
  name: Upgrade Brew
  - command: brew upgrade
  - halt_build_on_fail: false
  + command: |
  + set -e
  + brew upgrade
  - run:
  name: Install libffi dependencies
  command: |
  @@ -126,8 +127,9 @@ jobs:
  export PATH="`pwd`/cmake-3.4.1-Darwin-x86_64/CMake.app/Contents/bin:$PATH"
  - run:
  name: Upgrade Brew
  - command: brew upgrade
  - halt_build_on_fail: false
  + command: |
  + set -e
  + brew upgrade
  - run:
  name: Install libffi dependencies
  command: |
  