Implement --diff-args #2173

Job	Run time
Clippy	39s
Code coverage	2m 58s
Rustfmt	6s
Integration tests (macos-latest)	1m 54s
Integration tests (ubuntu-latest)	2m 38s
Unit tests (macos-latest, aarch64-apple-darwin, false)	2m 24s
Unit tests (macos-12, x86_64-apple-darwin, false)	4m 7s
Unit tests (windows-latest, x86_64-pc-windows-msvc, false)	5m 29s
Unit tests (ubuntu-latest, x86_64-unknown-linux-gnu, false)	2m 26s
Unit tests (ubuntu-latest, x86_64-unknown-linux-musl, true)	3m 0s
Unit tests (ubuntu-latest, i686-unknown-linux-gnu, true)	3m 6s
Unit tests (ubuntu-latest, arm-unknown-linux-gnueabihf, true)	3m 30s
Unit tests (ubuntu-latest, aarch64-unknown-linux-gnu, true)	3m 43s
	36m 0s

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