view rustfmt.toml @ 45654:ba0d93a5f06f

tests: only diff the `Cargo.lock` in `test-check-cargo-lock.t`

While not perfect (you could be running tests while developing with a justified
modification to `Cargo.lock`), that use-case is small enough that I don't think
it's really going to be an issue.

This stops the test from failing for unrelated changes when running it locally.

Differential Revision: https://phab.mercurial-scm.org/D9170

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