Found the following HTML validation problems:
AppenderRedis.html:156:1 (AppenderRedis.Rd:119): Warning: <h5> anchor "Usage" already defined
Rush.html:360:1 (Rush.Rd:239): Warning: <h5> anchor "Usage" already defined
Rush.html:366:1 (Rush.Rd:243): Warning: <h5> anchor "Arguments" already defined
Rush.html:396:1 (Rush.Rd:259): Warning: <h5> anchor "Usage" already defined
Rush.html:402:1 (Rush.Rd:263): Warning: <h5> anchor "Returns" already defined
Rush.html:421:1 (Rush.Rd:274): Warning: <h5> anchor "Usage" already defined
Rush.html:440:1 (Rush.Rd:287): Warning: <h5> anchor "Usage" already defined
Rush.html:457:1 (Rush.Rd:302): Warning: <h5> anchor "Arguments" already defined
Rush.html:518:1 (Rush.Rd:353): Warning: <h5> anchor "Usage" already defined
Rush.html:534:1 (Rush.Rd:367): Warning: <h5> anchor "Arguments" already defined
Rush.html:590:1 (Rush.Rd:413): Warning: <h5> anchor "Usage" already defined
Rush.html:607:1 (Rush.Rd:428): Warning: <h5> anchor "Arguments" already defined
Rush.html:667:1 (Rush.Rd:478): Warning: <h5> anchor "Usage" already defined
Rush.html:673:1 (Rush.Rd:482): Warning: <h5> anchor "Arguments" already defined
Rush.html:700:1 (Rush.Rd:499): Warning: <h5> anchor "Usage" already defined
Rush.html:706:1 (Rush.Rd:503): Warning: <h5> anchor "Arguments" already defined
Rush.html:734:1 (Rush.Rd:521): Warning: <h5> anchor "Usage" already defined
Rush.html:740:1 (Rush.Rd:525): Warning: <h5> anchor "Arguments" already defined
Rush.html:774:1 (Rush.Rd:549): Warning: <h5> anchor "Usage" already defined
Rush.html:780:1 (Rush.Rd:553): Warning: <h5> anchor "Arguments" already defined
Rush.html:805:1 (Rush.Rd:568): Warning: <h5> anchor "Usage" already defined
Rush.html:811:1 (Rush.Rd:572): Warning: <h5> anchor "Arguments" already defined
Rush.html:838:1 (Rush.Rd:589): Warning: <h5> anchor "Usage" already defined
Rush.html:844:1 (Rush.Rd:593): Warning: <h5> anchor "Arguments" already defined
Rush.html:862:1 (Rush.Rd:605): Warning: <h5> anchor "Returns" already defined
Rush.html:879:1 (Rush.Rd:614): Warning: <h5> anchor "Usage" already defined
Rush.html:896:1 (Rush.Rd:625): Warning: <h5> anchor "Usage" already defined
Rush.html:909:1 (Rush.Rd:636): Warning: <h5> anchor "Arguments" already defined
Rush.html:944:1 (Rush.Rd:665): Warning: <h5> anchor "Returns" already defined
Rush.html:966:1 (Rush.Rd:679): Warning: <h5> anchor "Usage" already defined
Rush.html:972:1 (Rush.Rd:683): Warning: <h5> anchor "Arguments" already defined
Rush.html:992:1 (Rush.Rd:697): Warning: <h5> anchor "Returns" already defined
Rush.html:1011:1 (Rush.Rd:708): Warning: <h5> anchor "Usage" already defined
Rush.html:1017:1 (Rush.Rd:712): Warning: <h5> anchor "Arguments" already defined
Rush.html:1045:1 (Rush.Rd:730): Warning: <h5> anchor "Usage" already defined
Rush.html:1051:1 (Rush.Rd:734): Warning: <h5> anchor "Arguments" already defined
Rush.html:1079:1 (Rush.Rd:752): Warning: <h5> anchor "Usage" already defined
Rush.html:1088:1 (Rush.Rd:759): Warning: <h5> anchor "Arguments" already defined
Rush.html:1108:1 (Rush.Rd:773): Warning: <h5> anchor "Returns" already defined
Rush.html:1126:1 (Rush.Rd:783): Warning: <h5> anchor "Usage" already defined
Rush.html:1135:1 (Rush.Rd:790): Warning: <h5> anchor "Arguments" already defined
Rush.html:1155:1 (Rush.Rd:804): Warning: <h5> anchor "Returns" already defined
Rush.html:1173:1 (Rush.Rd:814): Warning: <h5> anchor "Usage" already defined
Rush.html:1182:1 (Rush.Rd:821): Warning: <h5> anchor "Arguments" already defined
Rush.html:1202:1 (Rush.Rd:835): Warning: <h5> anchor "Returns" already defined
Rush.html:1221:1 (Rush.Rd:846): Warning: <h5> anchor "Usage" already defined
Rush.html:1231:1 (Rush.Rd:854): Warning: <h5> anchor "Arguments" already defined
Rush.html:1254:1 (Rush.Rd:871): Warning: <h5> anchor "Returns" already defined
Rush.html:1273:1 (Rush.Rd:882): Warning: <h5> anchor "Usage" already defined
Rush.html:1283:1 (Rush.Rd:890): Warning: <h5> anchor "Arguments" already defined
Rush.html:1306:1 (Rush.Rd:907): Warning: <h5> anchor "Returns" already defined
Rush.html:1325:1 (Rush.Rd:918): Warning: <h5> anchor "Usage" already defined
Rush.html:1334:1 (Rush.Rd:925): Warning: <h5> anchor "Arguments" already defined
Rush.html:1353:1 (Rush.Rd:938): Warning: <h5> anchor "Returns" already defined
Rush.html:1372:1 (Rush.Rd:949): Warning: <h5> anchor "Usage" already defined
Rush.html:1382:1 (Rush.Rd:957): Warning: <h5> anchor "Arguments" already defined
Rush.html:1405:1 (Rush.Rd:974): Warning: <h5> anchor "Returns" already defined
Rush.html:1422:1 (Rush.Rd:983): Warning: <h5> anchor "Usage" already defined
Rush.html:1431:1 (Rush.Rd:990): Warning: <h5> anchor "Arguments" already defined
Rush.html:1451:1 (Rush.Rd:1004): Warning: <h5> anchor "Returns" already defined
Rush.html:1469:1 (Rush.Rd:1014): Warning: <h5> anchor "Usage" already defined
Rush.html:1478:1 (Rush.Rd:1021): Warning: <h5> anchor "Arguments" already defined
Rush.html:1498:1 (Rush.Rd:1035): Warning: <h5> anchor "Returns" already defined
Rush.html:1519:1 (Rush.Rd:1048): Warning: <h5> anchor "Usage" already defined
Rush.html:1530:1 (Rush.Rd:1057): Warning: <h5> anchor "Arguments" already defined
Rush.html:1568:1 (Rush.Rd:1085): Warning: <h5> anchor "Usage" already defined
Rush.html:1574:1 (Rush.Rd:1089): Warning: <h5> anchor "Arguments" already defined
Rush.html:1610:1 (Rush.Rd:1115): Warning: <h5> anchor "Usage" already defined
Rush.html:1616:1 (Rush.Rd:1119): Warning: <h5> anchor "Arguments" already defined
Rush.html:1639:1 (Rush.Rd:1136): Warning: <h5> anchor "Returns" already defined
Rush.html:1662:1 (Rush.Rd:1151): Warning: <h5> anchor "Usage" already defined
Rush.html:1668:1 (Rush.Rd:1155): Warning: <h5> anchor "Arguments" already defined
Rush.html:1688:1 (Rush.Rd:1169): Warning: <h5> anchor "Returns" already defined
Rush.html:1707:1 (Rush.Rd:1180): Warning: <h5> anchor "Usage" already defined
Rush.html:1713:1 (Rush.Rd:1184): Warning: <h5> anchor "Arguments" already defined
Rush.html:1730:1 (Rush.Rd:1195): Warning: <h5> anchor "Returns" already defined
Rush.html:1749:1 (Rush.Rd:1206): Warning: <h5> anchor "Usage" already defined
Rush.html:1755:1 (Rush.Rd:1210): Warning: <h5> anchor "Arguments" already defined
Rush.html:1779:1 (Rush.Rd:1224): Warning: <h5> anchor "Usage" already defined
Rush.html:1785:1 (Rush.Rd:1228): Warning: <h5> anchor "Arguments" already defined
Rush.html:1809:1 (Rush.Rd:1242): Warning: <h5> anchor "Usage" already defined
Rush.html:1815:1 (Rush.Rd:1246): Warning: <h5> anchor "Arguments" already defined
Rush.html:1829:1 (Rush.Rd:1254): Warning: <h5> anchor "Returns" already defined
Rush.html:1846:1 (Rush.Rd:1263): Warning: <h5> anchor "Usage" already defined
Rush.html:1852:1 (Rush.Rd:1267): Warning: <h5> anchor "Arguments" already defined
RushWorker.html:225:1 (RushWorker.Rd:159): Warning: <h5> anchor "Usage" already defined
RushWorker.html:231:1 (RushWorker.Rd:163): Warning: <h5> anchor "Arguments" already defined
RushWorker.html:267:1 (RushWorker.Rd:185): Warning: <h5> anchor "Usage" already defined
RushWorker.html:273:1 (RushWorker.Rd:189): Warning: <h5> anchor "Arguments" already defined
RushWorker.html:300:1 (RushWorker.Rd:206): Warning: <h5> anchor "Usage" already defined
RushWorker.html:306:1 (RushWorker.Rd:210): Warning: <h5> anchor "Arguments" already defined
RushWorker.html:337:1 (RushWorker.Rd:231): Warning: <h5> anchor "Usage" already defined
RushWorker.html:353:1 (RushWorker.Rd:241): Warning: <h5> anchor "Usage" already defined
RushWorker.html:359:1 (RushWorker.Rd:245): Warning: <h5> anchor "Arguments" already defined
filter_custom_fields.html:47:1 (filter_custom_fields.Rd:11): Warning: missing </ul> before </div>