{"ref":"refs/heads/master","push_id":55305149,"commits":[{"sha":"95d7b33af76eb28e9c6b5b599a7b7ac4feba17ca","author":{"email":"a14e6e580b1547da8abb79b40ff9ff1a28132dbe@iij.ad.jp","name":"Kazu Yamamoto"},"url":"https://api.github.com/repos/kazu-yamamoto/logger/commits/95d7b33af76eb28e9c6b5b599a7b7ac4feba17ca","message":"writeIORef instead of atomic."}],"head":"95d7b33af76eb28e9c6b5b599a7b7ac4feba17ca","size":1}