# Row253 whole gate stopped atM21

HEAD34401e7c9,product0604d91fc,manifest573c51cf.

0604..344 name-only outside agents/gander/:

```text
BUILD-LOG.md
```

IntendedREDs2/2 observed; touched whole case243/0 in66.112s and case134/0 in93.721s. N9: ok 43 - inside a session's sandbox a bind below 1024 fails with EACCES, and a bind on a free high port succeeds

M1-M20 killed;M21 survived.9 controls passed.0timeouts. No later mutation or whole-package/shell run. Source and tracked status restored. Sweep0 run-created leftovers.

| Check | Outcome | Base seconds | Changed seconds |
|---|---|---:|---:|
| M1 | killed | 0.214 | 0.215 |
| M2 | killed | 0.465 | 0.415 |
| M3 | killed | 0.365 | 0.465 |
| M4 | killed | 2.87 | 2.92 |
| M5 | killed | 2.87 | 2.72 |
| M6 | killed | 2.87 | 0.42 |
| M7 | killed | 0.164 | 0.164 |
| M8 | killed | 2.87 | 1.868 |
| M9 | killed | 2.87 | 2.018 |
| M10 | killed | 2.87 | 2.569 |
| M11 | killed | 2.87 | 2.319 |
| M12 | killed | 0.264 | 0.214 |
| M13 | killed | 0.264 | 0.866 |
| M14 | killed | 0.264 | 0.866 |
| M15 | killed | 1.367 | 1.767 |
| M16 | killed | 1.417 | 0.766 |
| M17 | killed | 8.532 | 0.816 |
| M18 | killed | 8.532 | 1.617 |
| M19 | killed | 8.532 | 3.972 |
| M20 | killed | 8.532 | 3.421 |
| M21 | survived | 8.532 | 8.581 |

No P10 reason line exists in the passingM21/M17-base TAP logs. See STATIC-TRACE.md. Mos1293 requires a scratch diagnostic before any fixture/test repair; no carry into next whole gate.