History of schemas 5 changes

In crates/hub-api/src/lib.rs, lines 674–728 on c98935537c57e7c0593190befffff62863149107aaae01388498c3ee82614157. 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 674,728:crates/hub-api/src/lib.rs.