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15ed281699
Port clippy away from compiletest to ui_test Reasons to do this: * runs completely on stable Rust * is easier to extend with new features * has its own dogfood test suite, so changes can be tested in [the `ui_test` repo](https://github.com/oli-obk/ui_test) * supports dependencies from crates.io without having to manually fiddle with command line flags * supports `ui-cargo`, `ui`, `ui-toml` out of the box, no need to find and run the tests ourselves One thing that is a big difference to `compiletest` is that if a test emits *any* error, you need to mark all of them with `//~ ERROR:` annotations. Since many clippy tests did not have annotations, I changed many lints to be `warn` in their test so that only the `stderr` output is tested. TODO: * [ ] check that this still works as a subtree in the rustc repo changelog: none <!-- changelog_checked --> Note: at present the latest changes needed for clippy are only available as a git dependency, but I expect to publish a new crates.io version soon |
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