History of router 3 changes

In crates/hub/src/lib.rs, lines 160–162 on e8fa53694f686d9df2fe4805e81ceec44b0b5c90b56ac9a9be16f3ce8fec14ee. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 160,162:crates/hub/src/lib.rs.