Nice's stuttering form continued as they were held to a 1-1 draw by lowly Bastia in Ligue 1 on Friday.
Lorient moved off the bottom of the table after a 3-1 win over Guingamp, while there were wins for Nancy and Nates.
Julian Draxler scored on his PSG debut as the defending Coupe de France champions beat Bastia 7-0 to advance to the last 32.
PSG slumped to their fourth Ligue 1 defeat of the season as they were beaten 2-1 at Guingamp while Bastia continued their resurgence.
Saturday's game at Metz was abandoned after fans threw firecrackers at Lyon's goalkeeper, while PSG lost 3-0 at Montpellier.
PSG moved joint-top of Ligue 1 after goals from Angel Di Maria and Jese Rodriguez helped them to a 2-0 win over Nantes.