clippy: fix extra errors and enforce target-applies-to-host in xtask
#9584
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target-applies-to-host in xtask
#9584
| Job | Run time |
|---|---|
| 0s | |
| 39s | |
| 39s | |
| 40s | |
| 1s | |
| 1s | |
| 2m 0s |