History of router 1 change

In crates/hub/src/lib.rs, lines 71–73 on a4f01d51c2a72a83a98cb1ebefe3fa062f3203aba3fb25b71358bd9c0c230a83. 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 71,73:crates/hub/src/lib.rs.