Finally, a number of APIs have been stabilized such as cstr::from_bytes_until_nul and core::ffi::FromBytesUntilNulError. There will be no visible effect when build scripts execute successfully. To boost compilation speed, Cargo now avoids emitting debug information in build scripts by default. To apply fixes to all default members of a workspace, running cargo fix with no additional arguments is all that’s necessary.Īlso in Rust 1.69, debug information is no longer included in build scripts by default. The full Cargo invocation shown here only is necessary to precisely apply fixes to a single crate. Warning: `foo` (bin 'foo') generated 1 warning (run `cargo fix -bin 'foo'` to apply 1 suggestion)

To draw attention to these capabilities, Cargo now will suggest running cargo fix or cargo clippy -fix when it detects warnings that are automatically fixable: warning: unused import: `std::hash::Hash` Additionally, support for automatically fixing some simple Clippy warnings has been added. Since then, the number of warnings that can be fixed automatically has continued to increase.

Rust 1.29 introduced the cargo fix subcommand to automatically fix some simple compiler warnings.

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