History of walk 1 change

In crates/cylinder/src/lib.rs, lines 363–390 on c397a8c36a9f9b5249938b0715447836232c970d76d3952cd95a95d1282eaca3. 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 363,390:crates/cylinder/src/lib.rs.