History of Picker::len 1 change

In crates/jet/src/swarm.rs, lines 190–192 on 494a1b9a8ac268416c2fb9b53cf0277143685bdcacd64a00643abcec506b549c. 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 190,192:crates/jet/src/swarm.rs.