1. A method comprising: distributing a feature testing tool to one or more client computing systems; distributing one or more computing feature builds from a managing computing system to the client computing systems; distributing one or more data sets from the managing computing system to the client computing systems; running the feature testing tool on a given one of the client computing systems during times when the feature testing tool determines that the client computing system is not otherwise in active use, wherein the feature testing tool prompts the computing feature build to process one of the data sets, and collects results from the processing of the data set, including any erroneous results; and providing to the managing computing system the results from the computing feature build processing the data sets on the client computing systems.