> Participant behavior indicates that they found the in-line Rust Enhanced compiler errors that showed upon saving to be quite useful. Participants were not told about this feature, and only discovered it, on average, 1058 seconds (17 minutes, 38 seconds) into the task. However, after finding the Rust Enhanced compiler error feature, participants began saving every 30.6 seconds, on average, with an average of 24.8 total saves per person.