History of router 1 change

In crates/hub/src/lib.rs, lines 71–73 on 38833ed78707292c7e2db4f3250227e7f024f1ca6e96bfd7d1a372a4e47b927d. 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.