zopen changes: forbid implicit binary/text mode, signature change, default UTF-8 encoding in text mode, drop .z support after one-year
#2318
| Job | Run time |
|---|---|
| 2m 27s | |
| 2m 4s | |
| 58s | |
| 47s | |
| 2m 39s | |
| 3m 44s | |
| 12m 39s |