Apply load improvements #6410

Job	Run time
fmt	21s
cargo-deny (advisories)	41s
rust-check-git-rev-deps	18s
build (gcc, current)	2m 5s
cargo-deny (bans licenses sources)	41s
build (gcc, current, --check-test-tx-meta)	2m 18s
build (gcc, next)	1m 41s
build (gcc, next, --check-test-tx-meta)	1m 40s
build (clang, current)	1m 59s
build (clang, current, --check-test-tx-meta)	3m 23s
build (clang, next)	2m 44s
build (clang, next, --check-test-tx-meta)	2m 39s
complete	1s
	20m 31s

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