History of hermetic 1 change

In crates/hub/tests/bus.rs, lines 12–20 on 27babfa165801e966a746a009b6f5cf8d610b3866e1200163b3ae02b9a8eb8d5. 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 12,20:crates/hub/tests/bus.rs.