make use of locked markers in lock file version 2.1 and thereby avoid dependency walk failed
#523
| Job | Run time |
|---|---|
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| 2m 59s | |
| 3m 1s | |
| 2m 54s | |
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| 3m 34s | |
| 3m 3s | |
| 3m 4s | |
| 2m 56s | |
| 2m 54s | |
| 3m 34s | |
| 3m 26s | |
| 3m 40s | |
| 3m 33s | |
| 3m 46s | |
| 48m 16s |