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cargo.sh
is a small utility that supports running Cargo with human-readable toolchain names that are mapped to the equivalent versions pinned in CI. It supports "msrv", "stable", and "nightly". It also supports a meta-toolchain, "all", which instructs it to run a command once with each of the three pinned toolchains.In this commit, we replace the toolchain name-to-version resolution logic in CI with this command. This simplifies our CI configuration, and maintains the property that the code run in CI is the same code a developer would run on their local machine.
cc @djkoloski