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04-testing: Added panic-abort-tests flag note to duplicate lang item workaround

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Matthew Archer
2024-08-12 18:08:50 +10:00
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blog/content/edition-2/posts/04-testing/index.md
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@@ -91,7 +91,7 @@ When we run `cargo test` now, we see that it now succeeds (if it doesn't, see th
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**Note:** There is currently a bug in cargo that leads to "duplicate lang item" errors on `cargo test` in some cases. It occurs when you have set `panic = "abort"` for a profile in your `Cargo.toml`. Try removing it, then `cargo test` should work. See the [cargo issue](https://github.com/rust-lang/cargo/issues/7359) for more information on this. **Note:** There is currently a bug in cargo that leads to "duplicate lang item" errors on `cargo test` in some cases. It occurs when you have set `panic = "abort"` for a profile in your `Cargo.toml`. Try removing it, then `cargo test` should work. Alternatively, if that doesn't work, then add `panic-abort-tests = true` to the `[unstable]` section of your `.config/cargo.toml` file. See the [cargo issue](https://github.com/rust-lang/cargo/issues/7359) for more information on this.
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