Apply buckets optimization #6651

Job	Run time
rust-check-git-rev-deps	17s
fmt	18s
build (gcc, current)	8m 24s
cargo-deny (advisories)	50s
build (gcc, current, --check-test-tx-meta)	7m 59s
cargo-deny (bans licenses sources)	49s
build (gcc, next)	8m 7s
build (gcc, next, --check-test-tx-meta)	7m 53s
build (clang, current)	7m 10s
build (clang, current, --check-test-tx-meta)	6m 58s
build (clang, next)	7m 21s
build (clang, next, --check-test-tx-meta)	7m 41s
complete	1s
	1h 3m 48s

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