Occurred twice so far and it's related to re-enable checking for uncommitted changes in a repository. However, gradlew.bat is configured in .gitattributes and it doesn't occur locally on Linux nor on Travis in the other cases.
Executing task ':verifyRelease' (up-to-date check took 0.001 secs) due to:
Task has not declared any outputs.
Looking for uncommitted changes.. FAILED
Staged changes:
Unstaged changes:
modified: gradlew.bat