History of router 1 change

In crates/hub/src/lib.rs, lines 71–73 on cc1cd197df1dd319220979c95de00157f3b2736e2f2824853936f76dde892dba. 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.