History of run 3 changes

In crates/hub/src/backups.rs, lines 1303–1339 on ffb67a81188c4cdc0abc3697121000cef9d31950af99495923285770c7d602c0. 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 1303,1339:crates/hub/src/backups.rs.