try brew doctor

skvark · skvark · commit 34df00569a4c · 2020-07-15T22:36:15.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -670,8 +670,6 @@ before_install: |
       echo $ENABLE_HEADLESS > headless.enabled
 
       if [ -n "$IS_OSX" ]; then
-        export HOMEBREW_FORCE_VENDOR_RUBY=1
-        brew upgrade
         TAPS="$(brew --repository)/Library/Taps"
         if [ -e "$TAPS/caskroom/homebrew-cask" -a -e "$TAPS/homebrew/homebrew-cask" ]; then
             rm -rf "$TAPS/caskroom/homebrew-cask"
diff --git a/travis_config.sh b/travis_config.sh
@@ -88,6 +88,7 @@ function pre_build {
     echo "Running for OSX"
 
     local CACHE_STAGE; (echo "$TRAVIS_BUILD_STAGE_NAME" | grep -qiF "final") || CACHE_STAGE=1
+    brew doctor
 
     #after the cache stage, all bottles and Homebrew metadata should be already cached locally
     if [ -n "$CACHE_STAGE" ]; then
