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22 lines
646 B
Markdown
22 lines
646 B
Markdown
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## `found invalid metadata files for crate` errors
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This error can occur when mixing components from two different Rust toolchains,
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for example, using `clippy` with artifacts produced from a different cargo
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version. Check the configuration for specifying the exact Rust toolchain to be
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used in the build:
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```nix
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let
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rustToolchain = ...;
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in
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# Incorrect usage, missing `clippy` override!
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#(crane.mkLib pkgs).overrideScope' (final: prev: {
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# rustc = rustToolchain;
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# cargo = rustToolchain;
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# rustfmt = rustToolchain;
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#});
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# Correct usage (`overrideToolchain` handles the details for us)
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(crane.mkLib pkgs).overrideToolchain rustToolchain
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```
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