History of get 1 change

In crates/hub/tests/roles.rs, lines 44–53 on v0.9.19. 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 44,53:crates/hub/tests/roles.rs.