workload: treat rename destination conflicts as potential errors#160652

craig[bot] merged 1 commit intocockroachdb:mastercockroachdb/cockroach:masterfrom

spilchen:gh-160465/260107/1422/rsw/sequence-renamespilchen/cockroach:gh-160465/260107/1422/rsw/sequence-renameCopy head branch name to clipboard