fix produce() with reference only to output.dir causing retry test to incorrectly indicate commands would run again
fix produce() with reference only to output.dir causing retry test to incorrectly indicate commands would run again

tucano/bpipe,sb43/bpipe,tucano/bpipe,tucano/bpipe,sb43/bpipe,vivovip/bpipe,vivovip/bpipe,vivovip/bpipe,sb43/bpipe