kkkmmu/kkkmmu: golang/mru/src/newcache/newcache.go; 15 LoC

Found a possible issue in [kkkmmu/kkkmmu](https://www.github.com/kkkmmu/kkkmmu) at [golang/mru/src/newcache/newcache.go](https://github.com/kkkmmu/kkkmmu/blob/78544de768c0b1c85cc9e205788df7e47a20f98c/golang/mru/src/newcache/newcache.go#L953-L967)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> range-loop variable f used in defer or goroutine at line 958

[Click here to see the code in its original context.](https://github.com/kkkmmu/kkkmmu/blob/78544de768c0b1c85cc9e205788df7e47a20f98c/golang/mru/src/newcache/newcache.go#L953-L967)

Click here to show the 15 line(s) of Go which triggered the analyzer.

```go
for _, f := range sg.Features {
cs, err := tr.GetCaseByFeature(f)
if err != nil {
go func(err error) {
res <- &result.Result{
Group: f.Group,
SubGroup: f.SubGroup,
Feature: f.Name,
Pass: false,
Message: fmt.Sprintf("Cannot Find Feature: %s\n", f.Name),
}
}(err)
}
cases = append(cases, cs...)
}

```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: 78544de768c0b1c85cc9e205788df7e47a20f98c

Inspect golang/mru/src/newcache/newcache.go around lines 953-967, focusing on how the goroutine uses the range variable f. Determine whether the reported capture can produce incorrect results, then leave the requested reaction classifying it as a Bug, Mitigated, or Desirable Behavior.

Written by the indexing model from the issue text.