History of main 1 change

In crates/hub/build.rs, lines 4–20 on b0612e7dce309a59065e0cd0106ec17ebf559e7ac60b39fa96d14ae4768e2aaa. 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.