History of build 4 changes

In crates/hub/src/lib.rs, lines 40–62 on 6ae41081ccd3698f9e9d3d2ce64ccf6bb1d522061eccad64895d24ba111ae8db. 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 40,62:crates/hub/src/lib.rs.