Merge pull request #805 from zcash/check-in-lockfile #4024

Job	Run time
Bitrot check	1m 41s
Book tests	4m 30s
Build target wasm32-unknown-unknown	4m 56s
Build target wasm32-wasi	4m 33s
Code coverage	21m 22s
Intra-doc links	4m 34s
Rustfmt	15s
Test on ubuntu-latest	10m 29s
Test on i686-unknown-linux-gnu	15m 55s
Test on i686-unknown-linux-gnu with beta features	15m 58s
Test on windows-latest	13m 38s
Test on i686-unknown-linux-gnu with nightly features	18m 33s
Test on macOS-latest	17m 21s
Test on ubuntu-latest with beta features	11m 27s
Test on windows-latest with beta features	13m 34s
Test on macOS-latest with beta features	13m 30s
Test on ubuntu-latest with nightly features	11m 11s
Test on windows-latest with nightly features	14m 41s
Test on macOS-latest with nightly features	15m 24s
	3h 33m 32s

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