Fix after #890: don't propagate linter errors for golangci.com

pkg/lint/runner.go

@@ -3,6 +3,7 @@ package lint
 import (
 	"context"
 	"fmt"
+	"os"
 	"runtime/debug"
 	"strings"
 
@@ -187,7 +188,10 @@ func (r Runner) Run(ctx context.Context, linters []*linter.Config, lintCtx *lint
 			linterIssues, err := r.runLinterSafe(ctx, lintCtx, lc)
 			if err != nil {
 				r.Log.Warnf("Can't run linter %s: %s", lc.Linter.Name(), err)
+				if os.Getenv("GOLANGCI_COM_RUN") == "" {
+					// Don't stop all linters on one linter failure for golangci.com.
 					runErr = err
+				}
 				return
 			}
 			issues = append(issues, linterIssues...)