Merge pull request #87 from bnb-chain/develop #215

Job	Run time
check	57s
check serde	56s
clippy / optimism	1m 39s
docs / optimism	1m 27s
check std	58s
clippy / bsc	1m 39s
docs / bsc	1m 33s
fmt	8s
TyposCheck	4s
test stable --no-default-features	2m 58s
test stable	2m 55s
test stable --features bsc	3m 1s
test stable --features optimism,opbnb	3m 15s
test beta --no-default-features	3m 0s
test beta	2m 58s
test beta --features bsc	3m 8s
test beta --features optimism,opbnb	3m 11s
test nightly --no-default-features	2m 54s
test nightly	2m 46s
test nightly --features bsc	4m 7s
test nightly --features optimism,opbnb	2m 54s
	46m 28s

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