[Commented On] D10085: copies-rust: remove an unnecessary format!() inside assert!()

[SimonSapin]

SimonSapin added a comment.


  > I recently update my Rust toolchain and `test-check-cargo-lock.t` started failing.
  
  If most of `Cargo.lock` was rewritten this is likely that the file was upgraded to the newer format: https://blog.rust-lang.org/2020/01/30/Rust-1.41.0.html#less-conflict-prone-cargolock-format. Lately I’ve been reverting that change with `hg revert rust/Cargo.lock && (cd rust && cargo +1.41.1 fetch)` which Cargo does automatically every time I change a `Cargo.toml` file such as to add a dependency.
  
  But looking up this blog post I see that support for this new format was introduced in 1.40.0. Since the oldest version we support is 1.41.1 (for Debian) maybe we should just do the upgrade.

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  rHG Mercurial

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  https://phab.mercurial-scm.org/D10085/new/

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  https://phab.mercurial-scm.org/D10085

To: martinvonz, #hg-reviewers, SimonSapin
Cc: mercurial-patches
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