History of Pool::evict 2 changes

In crates/flow/src/cache.rs, lines 191–214 on 0f2b8eca36b8dd185236825d2687c1dbc009590c2d5a51ade3da9b94b4ed5195. 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 191,214:crates/flow/src/cache.rs.