for the test harness (libtest).Building Servo If this is your first time building Servo, be sure to set up your environment before continuing with the steps below. To build servoshell for your machine: you start encountering build problems after updating Servo, try running ./mach bootstrap again, or set up your environment from the beginning. You are not alone! If you have problems building Servo that you start encountering build problems after updating Servo, try running ./mach bootstrap again, or set up your environment from the beginning. You are not alone! If you have problems setting up your environment