message: Jenkins: don't use sudo for now
  It just doesn't work.
diff: @@ -25,12 +25,11 @@ pipeline {
  sh 'git submodule deinit -f .'
  sh 'git clean -ff -x -d .'
  sh 'git submodule update --init --recursive --force'
  - sh 'make BUILD_TYPE=Debug BUILD_BACKEND=1'
  + sh 'make BUILD_TYPE=Debug BUILD_BACKEND=1 INSTALL_DIR=`pwd`/install'
  sh 'build/default/unit_tests_runner'
  sh 'build/default/backend/test/unit_tests_backend'
  - sh 'sudo make default install'
  sh 'mkdir -p example/takeoff_land/build'
  - sh 'cd example/takeoff_land/build && cmake .. && make'
  + // sh 'cd example/takeoff_land/build && cmake .. && make'
  }
  }
  