Disable `failFast`.
-buildPlugin(checkstyle: [qualityGates: [[threshold: 1, type: 'NEW', unstable: true]]],
+buildPlugin(failFast: false, checkstyle: [qualityGates: [[threshold: 1, type: 'NEW', unstable: true]]],
pmd: [qualityGates: [[threshold: 1, type: 'NEW', unstable: true]]])
