The imam is responsible and the mu'adhdhin is trusted, O Allah, guide the imams and forgive the mu'adhdhins. (Using translation from Abū Dāʾūd 517)
قَالَ رَسُولُ اللهِ ﷺ الْإِمَامُ ضَامِنٌ وَالْمُؤَذِّنُ أَمِينٌ اللهُمَّ أَرْشِدِ الْأَئِمَّةَ وَاغْفِرْ لِلْمُؤَذِّنِينَ