Docetaxel, Carboplatin, and Rucaparib Camsylate in Treating Patients With Metastatic Castration Resistant Prostate Cancer With Homologous Recombination DNA Repair Deficiency

atm gene mutation, brca1 gene mutation, brca2 gene mutation, castration levels of testosterone, castration-resistant prostate carcinoma, homologous recombination deficiency, prostate carcinoma metastatic in the bone, psa level greater than or equal to two, psa progression, stage iv prostate adenocarcinoma ajcc v7, interventional, phase2