History of Pool::evict 5 changes

In crates/flow/src/cache.rs, lines 325–355 on 1215f05ff8d00714f50b88d5038397d318d459ae691ad0c95baa3297dc5e5b68. 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 325,355:crates/flow/src/cache.rs.