Add EEXIST to common host errors, don't fail when creating directories
#967
| Job | Run time |
|---|---|
| 10m 38s | |
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| 10m 9s | |
| 7m 14s | |
| 14m 14s | |
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| 9m 59s | |
| 5m 50s | |
| 16m 26s | |
| 6m 3s | |
| 1h 59m 44s |