History of run 3 changes

In crates/hub/src/backups.rs, lines 1303–1339 on 2bbdc0268c23bb07c0fd0ea8922eb70e8bfa18da6bb303ec4a59e7ab5dae7fe2. 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.