Apply buckets optimization #6658

Job	Run time
rust-check-git-rev-deps	23s
fmt	23s
build (gcc, current)	1h 17m 58s
cargo-deny (advisories)	41s
build (gcc, current, --check-test-tx-meta)	57m 35s
cargo-deny (bans licenses sources)	39s
build (gcc, next)	1h 22m 21s
build (gcc, next, --check-test-tx-meta)	1h 4m 23s
build (clang, current)	54m 51s
build (clang, current, --check-test-tx-meta)	50m 19s
build (clang, next)	1h 1m 21s
build (clang, next, --check-test-tx-meta)	53m 15s
complete	1s
	8h 24m 10s

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