beito123/medaka: scheduler/scheduler.go; 37 LoC

Found a possible issue in [beito123/medaka](https://www.github.com/beito123/medaka) at [scheduler/scheduler.go](https://github.com/beito123/medaka/blob/82c12f019c17f6c376a4100a90409f7d380159ed/scheduler/scheduler.go#L165-L201)

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 hand used in defer or goroutine at line 182

[Click here to see the code in its original context.](https://github.com/beito123/medaka/blob/82c12f019c17f6c376a4100a90409f7d380159ed/scheduler/scheduler.go#L165-L201)

Click here to show the 37 line(s) of Go which triggered the analyzer.

```go
for i, hand := range sche.queue {
if tick.Before(hand.NextRun) { // if tick is earlier than hand
continue
}

sche.removeQueue(i)

if hand.IsCanceled() {
delete(sche.tasks, hand.ID())
continue
}

crashed := false

defer func() {
if err := recover(); err != nil {
crashed = true
sche.Logger.Warnf("Happened a problem while task %s running Error:%s", hand.Name(), err)
sche.Logger.Trace(nil)
}
}()

hand.Run(tick)

if hand.IsRepeating() {
if crashed {
sche.Logger.Debugf("Dropping repeating task %s due to an error happened while running", hand.Name())
} else {
hand.NextRun = tick.Add(hand.Period())
sche.queue = append(sche.queue, hand)
continue
}
}

hand.Remove()
delete(sche.tasks, hand.ID())
}

```

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: 82c12f019c17f6c376a4100a90409f7d380159ed