Ao executar o mvn -check, acusou o erro abaixo. Detalhe: tive que atualizar o versio do jacoco para 0.7.1.201405082137, conforme dúvida colocada por um outro colega nesse mesmo fórum, a fim de que rode no Java 8.
[ERROR] Unknown lifecycle phase "heck".
You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>.
Available lifecycle phases are: validate, initialize, generate-sources, process-sources, generate-resources, process-resources, compile, process-classes, generate-test-sources, process-test-sources, generate-test-resources, process-test-resources, test-compile, process-test-classes, test, prepare-package, package, pre-integration-test, integration-test, post-integration-test, verify, install, deploy, pre-clean, clean, post-clean, pre-site, site, post-site, site-deploy. -> [Help 1]