From e1c9907e279bd71878af50fbcbbf4b1cc771f7f3 Mon Sep 17 00:00:00 2001
From: Tetsuharu Ohzeki <tetsuharu.ohzeki@gmail.com>
Date: Wed, 16 Jun 2021 17:23:31 +0900
Subject: [PATCH] Dump why fail to remove the label for issue

---
 main.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 998ab81..00a9380 100644
--- a/main.go
+++ b/main.go
@@ -169,7 +169,7 @@ func checkPrIsChangedToMergeable(githubClient *github.Client, githubEventPath st
 
 	ctx := context.Background()
 	if _, err := githubClient.Issues.RemoveLabelForIssue(ctx, repoOwner, repoName, prNumber, needRebaseLabel); err != nil {
-		log.Printf("#%v is mergeable but fail to remove the label `%v`", prNumber, needRebaseLabel)
+		log.Printf("#%v is mergeable but fail to remove the label `%v` because `%v`", prNumber, needRebaseLabel, err)
 		return
 	}