History of schemas 2 changes

In crates/hub-api/src/lib.rs, lines 600–649 on 8a2dbcb56246f568de32a5360d2f8be66bb9704909ce1b5cebb1f3051863f33b. 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 600,649:crates/hub-api/src/lib.rs.