fix: throw an error on panic. (#1540)

* fix: throw an error on panic.
* current min go version is go1.13

go.mod

@@ -1,6 +1,6 @@
 module github.com/golangci/golangci-lint
 
-go 1.12
+go 1.13
 
 require (
 	4d63.com/gochecknoglobals v0.0.0-20201008074935-acfc0b28355a

pkg/lint/runner.go

@@ -91,6 +91,8 @@ func (r *Runner) runLinterSafe(ctx context.Context, lintCtx *linter.Context,
 	defer func() {
 		if panicData := recover(); panicData != nil {
 			if pe, ok := panicData.(*errorutil.PanicError); ok {
+				err = fmt.Errorf("%s: %w", lc.Name(), pe)
+
 				// Don't print stacktrace from goroutines twice
 				lintCtx.Log.Warnf("Panic: %s: %s", pe, pe.Stack())
 			} else {