Parallel ledger close #6480

Job	Run time
fmt	13s
build (gcc, current)	1h 8m 13s
rust-check-git-rev-deps	16s
cargo-deny (advisories)	41s
build (gcc, current, --check-test-tx-meta)	57m 53s
cargo-deny (bans licenses sources)	38s
build (gcc, next)	1h 12m 16s
build (gcc, next, --check-test-tx-meta)	59m 18s
build (clang, current)	57m 7s
build (clang, current, --check-test-tx-meta)	49m 7s
build (clang, next)	58m 20s
build (clang, next, --check-test-tx-meta)	51m 51s
complete	1s
	7h 55m 54s

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