fix: send on closed channel

printer.go

type printer struct {
	sync.Mutex
	queue    chan api.ContainerEvent
	consumer api.LogConsumer
	stopped  bool
}

// newLogPrinter builds a LogPrinter passing containers logs to LogConsumer
func newLogPrinter(consumer api.LogConsumer) logPrinter {
	queue := make(chan api.ContainerEvent)
	printer := printer{
		consumer: consumer,
		queue:    queue,
	}
	return &printer
}

func (p *printer) Stop() {
	p.Lock()
	defer p.Unlock()
	if !p.stopped {
		p.stopped = true
		close(p.queue)
	}
}

func (p *printer) HandleEvent(event api.ContainerEvent) {
	// prevent deadlocking, if the printer is done, there's no reader for
	// queue, so this write could block indefinitely
	p.Lock()
	defer p.Unlock()
	if p.stopped {
		return
	}
	p.queue <- event
}

//nolint:gocyclo
func (p *printer) Run(cascadeStop bool, exitCodeFrom string, stopFn func() error) (int, error) {
	var (
		aborting bool
		exitCode int
	)
... ...