Run `cargo clippy --all-targets --fix`

These lints where missed because the problems were inside tests.

Note that "targets" does not refer to OS/architectures.
```
> cargo build --help
...
Target Selection:
      --lib               Build only this package's library
      --bins              Build all binaries
      --bin [<NAME>]      Build only the specified binary
      --examples          Build all examples
      --example [<NAME>]  Build only the specified example
      --tests             Build all test targets
      --test [<NAME>]     Build only the specified test target
      --benches           Build all bench targets
      --bench [<NAME>]    Build only the specified bench target
      --all-targets       Build all targets
```

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