Ash'ath bin Sulaym al-Muharibi narrates from his father that Sayyiduna Abu Hurayrah (may Allah be pleased with him) was sitting in the mosque, and he saw a man leaving the mosque after the adhan, so he said: "What is this? He has disobeyed Abu al-Qasim (peace and blessings be upon him)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4938