Test lockfile is up-to-date #1650

Job	Run time
Clippy	19s
Check doc	18s
rustfmt	8s
test-cross (ubuntu-latest, powerpc-unknown-linux-gnu, stable)	43s
Lockfile is up-to-date	10s
test-ios	28s
test-miri	3m 31s
test-no-std	18s
test (windows-latest, x86_64-pc-windows-gnu, stable)	1m 4s
test (macos-latest, x86_64-apple-darwin, stable)	45s
test (windows-latest, x86_64-pc-windows-msvc, beta)	1m 2s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	59s
test (ubuntu-latest, x86_64-unknown-linux-gnu, MSRV, 1.85.0)	30s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	34s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	43s
	11m 32s

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