History of main 1 change

In crates/hub/build.rs, lines 4–20 on 8e96499f270589313852b3f68508c023ece9f0f4593ff17d570be42232d612e0. 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 4,20:crates/hub/build.rs.