replace tput with a safe_tput function
#114
| Job | Run time |
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| 9s | |
| 9s | |
| 9s | |
| 10m 40s | |
| 10m 40s | |
| 10m 40s | |
| 11m 43s | |
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| 12m 5s | |
| 10m 52s | |
| 9m 56s | |
| 12m 42s | |
| 11m 55s | |
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| 12m 31s | |
| 13m 51s | |
| 13m 51s | |
| 11m 21s | |
| 11m 21s | |
| 11m 21s | |
| 3h 31m 17s |