History of router 1 change

In crates/hub/src/lib.rs, lines 51–53 on 1453060448962a20fb3af1c5d21384273d21d82c9b4b9dec4d702261c04d95fe. 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 51,53:crates/hub/src/lib.rs.