History of walk 1 change

In crates/cylinder/src/lib.rs, lines 363–390 on 16aa9e03d85bcc1285bb49bf98460ad57077aadefdfdb6fd3cc85b13e0965a2c. 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.