[TEST] Changed the possessive matching syntax in cat.recovery
regex to use an independent subexpression. Possessive
modifiers not supported on older Perl
[DOCS] Changed coming[1.1.0] to added in snapshot status
[JAVADOCS] Fix wrong javadoc in IdentityHashSet.

Close #6121
[TEST] Ensure no bechmarks are running after test
Report all errors if benchmark fails and mark as failed
Log cache recycler clear call as debug