History of rule 2 changes

In crates/hub/src/diffusion.rs, lines 1465–1477 on 8f1d76f4169ab0ad61c184b6889680cfe0da3d6b626f1b29f58e1b33a7903319. 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 1465,1477:crates/hub/src/diffusion.rs.