WIP custody lookup sync #205

Job	Run time
check-code	8m 14s
cargo-udeps	6m 42s
beacon-chain-tests	49m 29s
basic-simulator-ubuntu	14m 38s
check-msrv	4m 24s
cli-check	8m 39s
compile-with-beta-compiler	13m 28s
debug-tests-ubuntu	9m 41s
dockerfile-ubuntu	14m 52s
doppelganger-protection-test	24m 50s
ef-tests-ubuntu	38m 35s
execution-engine-integration-ubuntu	14m 7s
fallback-simulator-ubuntu	11m 45s
network-tests	9m 1s
op-pool-tests	15m 14s
release-tests-ubuntu	1h 2m 2s
slasher-tests	1m 28s
state-transition-vectors-ubuntu	3m 3s
target-branch-check	1s
test-suite-success	0s
	5h 10m 13s

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