/tmp was actually on a tmpfs and no idea why this happens, but it doesn't seem to be a rsync issue (though it's kinda scary). This "fixes" it:
diff -Nur a/testsuite/compare-dest.test b/testsuite/compare-dest.test --- a/testsuite/compare-dest.test 2007-09-03 22:43:58.000000000 +0200 +++ b/testsuite/compare-dest.test 2014-12-31 10:40:43.796572443 +0100 @@ -15,6 +15,7 @@ # Build some files/dirs/links to copy hands_setup +sleep 1 # Setup the alt and chk dirs $RSYNC -av --include=text --include='*/' --exclude='*' "$fromdir/" "$alt1dir/" -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html