"cyclic deps" on rust-lang/rust workspace

[jyn514]

Steps to replicate:

1. Check out rust-lang/rust@6beac7a
2. Open src/librustdoc/clean/types.rs and put the cursor on line 196 (crate fn resolved_links)
3. Press Ctrl+Shift+I ("Format document")

[ERROR project_model::workspace] cyclic deps: rustc_std_workspace_core(CrateId(1165)) -> core(CrateId(200))
[Error - 5:42:32 PM] Request textDocument/formatting failed.
  Message: Broken pipe (os error 32)
  Code: -32603

[SergioBenitez]

This is also happening with rocket. It appears that as a result, I am getting no diagnostic messages. I don't know if this has anything to do with me sometimes getting diagnostic messages.

[edwin0cheng]

maybe #2414 ?

[Veykril]

Closing in favor of #14167