build

protect against SANY race conditions on the filesystem #7122

Job	Run time
compiler-warnings	2m 5s
scaladoc-check	2m 52s
build-mdbook	3s
format-check	3m 54s
integration-tests (ubuntu-latest, oopsla19)	19m 23s
unit-tests (ubuntu-latest)	5m 5s
integration-tests (ubuntu-latest, arrays)	9m 54s
unit-tests (macos-latest)	7m 15s
docker-tests	7m 26s
integration-tests (macos-latest, oopsla19)	19m 3s
	1h 17m 0s

Provide feedback