Commits on Mar 1, 2024

1. test(msrv): Use variables

   

   epage committed Mar 1, 2024
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2. fix(msrv): Report all incompatible packages, not just a random one …

   In rust-lang#9930, it recommended improving the error for incompatible packages
   so people can better get to the root of the problem.
   For example, you might get an error about `clap_lex` but resolving the
   error for the higher level `clap` could make the problem with `clap_lex`
   go away.
   
   Because I generally saw earlier packages in the graph reported, I
   assumed we were reporting these errors bottom up.
   It turns out, we are reporting them in the `UnitGraph`s order, which is
   non-deterministic because it is built on a `HashMap`.
   
   So this adds determinism and shows all incompatible dependencies
   (not just the bottom or the root).
   This is a first step.
   We might find that we still want to only include the shallowest units,
   rather than all.
   At that point, we can add the complexity to address this by walking the
   unit graph.
   
   We could also further improve this by querying the index to suggest
   compatible versions of packages.

   

   epage committed Mar 1, 2024
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