zopen changes: forbid implicit binary/text mode, signature change, default UTF-8 encoding in text mode, drop .z support after one-year
#2322
| Job | Run time |
|---|---|
| 1m 56s | |
| 2m 3s | |
| 1m 1s | |
| 49s | |
| 2m 48s | |
| 3m 0s | |
| 11m 37s |