David Barsky comments

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                                            David Barsky

`rust-project check TARGET`

> Previously rust-project worked with the `$saved_file` interpolation in rust-analyzer. This PR makes it work with a target label, substituted as `{label}` instead. So it's not really backwards compatible, but...

`rust-project check TARGET`

> Only problem is there are other buck users that are adopting rust-project and using saved file. Maybe it's still few enough people that we can break the CLI. Gotcha!...

Error with `rowan 0.15.16`: `protocol error: InternalError: request handler panicked: tree is mutable` when asking for documentation in big crate graphs

> Could #15710 be related? @ShoyuVanilla I've summarized my current understanding of the state/approach in this comment: https://github.com/rust-lang/rust-analyzer/issues/15710#issuecomment-2294892785

Expose a new `tokio::time::SystemTime` API

Lucio mentioned on Discord that he makes extensive use of Tokio's `test-util` timer features. They use [`std::time::SystemTime`](https://doc.rust-lang.org/std/time/struct.SystemTime.html#method.duration_since) in tandem with [`UNIX_EPOCH`](https://doc.rust-lang.org/std/time/struct.SystemTime.html#method.duration_since) to get measures of the "elapsed time" in tests....