correctly handle uname-cmd that doesn't point to an executable file
#2038
| Job | Run time |
|---|---|
| 2m 43s | |
| 2m 13s | |
| 2m 15s | |
| 2m 29s | |
| 2m 40s | |
| 3m 0s | |
| 2m 29s | |
| 3m 37s | |
| 2m 28s | |
| 7m 7s | |
| 2m 55s | |
| 5m 37s | |
| 1m 50s | |
| 1m 45s | |
| 5m 57s | |
| 2m 25s | |
| 2m 39s | |
| 5m 28s | |
| 5m 19s | |
| 5m 29s | |
| 1h 10m 25s |