language: objective-c
osx_image: xcode7.3
before_install:
  - brew update
  - brew install carthage || brew upgrade carthage
  - brew outdated xctool || brew upgrade xctool
  - carthage bootstrap --platform Mac
script:
  - xctool -project HSTracker.xcodeproj -scheme HSTracker -sdk macosx clean build CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO
  - xctool -project HSTracker.xcodeproj -scheme HSTracker -sdk macosx test CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO

language: objective-c
osx_image: xcode7.3
before_install:
  - brew update
  - brew install carthage || brew upgrade carthage
  - brew outdated xctool || brew upgrade xctool
  - gem install xcpretty
  - carthage bootstrap --platform Mac
script:
  - xcodebuild -project HSTracker.xcodeproj -scheme HSTracker -sdk macosx clean build CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO | xcpretty
  - xcodebuild -project HSTracker.xcodeproj -scheme HSTracker -sdk macosx test CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO | xcpretty

Replace xctool with xcodebuild | xcpretty
Replace xctool with xcodebuild | xcpretty

xctool seem to make problems with travis