History of Picker::len 1 change

In crates/jet/src/swarm.rs, lines 190–192 on ea81796bb757d87bf961a6e92044f84febf655d90b08c665c815d665fbaab873. 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.