base/allocator: Revert stack scanning refactor #576
| Job | Run time |
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| 46s | |
| 19s | |
| 38s | |
| 3m 22s | |
| 3m 35s | |
| 3m 55s | |
| 4m 49s | |
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| 4m 54s | |
| 2m 49s | |
| 5m 22s | |
| 3m 42s | |
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| 4m 6s | |
| 4m 33s | |
| 3m 14s | |
| 4m 46s | |
| 5m 11s | |
| 4m 34s | |
| 4m 30s | |
| 4m 31s | |
| 4m 31s | |
| 26m 4s | |
| 25m 9s | |
| 26m 34s | |
| 25m 58s | |
| 26m 13s | |
| 25m 0s | |
| 25m 13s | |
| 25m 38s | |
| 24m 56s | |
| 25m 45s | |
| 25m 2s | |
| 25m 47s | |
| 25m 4s | |
| 25m 5s | |
| 25m 22s | |
| 24m 43s | |
| 24m 54s | |
| 25m 40s | |
| 3m 9s | |
| 8m 23s | |
| 9m 19s | |
| 9m 18s | |
| 8m 0s | |
| 8m 42s | |
| 11m 48s | |
| 10h 0m 19s |