Tests

add log in evm.rs #11

Job	Run time
test no_std	19s
check serde	20s
check no-default-features	30s
check std	34s
clippy	1m 12s
docs	1m 15s
fmt	10s
test stable --no-default-features	1m 4s
test stable	57s
test stable --all-features	56s
test beta --no-default-features	58s
test beta	56s
test beta --all-features	1m 22s
test nightly --no-default-features	1m 5s
test nightly	49s
test nightly --all-features	1m 17s
	13m 44s

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