History of Tracker::addr 1 change

In crates/hub/src/swarm.rs, lines 60–63 on 4fa0da126b702d23f945ff2890a0944d8750e155c557b5cca3ebfeedeef908b7. 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 60,63:crates/hub/src/swarm.rs.