History of api 1 change

In crates/hub/tests/backups.rs, lines 811–834 on 50928fab5ffc9cc83dbf663120be66957b234ce9b26b674587fe66b356ca003e. 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 811,834:crates/hub/tests/backups.rs.