Hello,

I’m encountering an issue after upgrading from Rust 1.93 to Rust 1.93.1, and I would appreciate any insight from the community.

I’m working on a Rust workspace composed of multiple sub-crates. Everything was functioning correctly with Rust 1.93 and VSCodium (VSCode). However, since upgrading to Rust 1.93.1, I’m seeing more than 50 warnings of the following type every time I open the IDE:

2026-02-14T18:56:47.153796764+01:00  WARN Ignoring package label Cargo { package_id: PackageId { repr: "path+file:///home/xxxxxxxxx/project_xxx#0.1.0" } } and applying diagnostics to the whole workspace
[...]
[...]
2026-02-14T18:56:47.153796791+01:00  WARN Ignoring package label Cargo { package_id: PackageId { repr: "path+file:///home/xxxxxxxxx/project_xxx#0.1.0" } } and applying diagnostics to the whole workspace
[...]
[...]
2026-02-14T18:56:51.863376819+01:00  WARN overly long loop turn took 139.992406ms (event handling took 139.944731ms): PrimeCaches(End { cancelled: false })
[...]
[...]

In addition, I’m experiencing persistent “ghost” errors in the source code. Even after fixing the reported issue, rust-analyzer continues to display the error. The only way to clear it is to manually restart rust-analyzer, and this needs to be done repeatedly after each modification.

So far, I have tried:

• cargo clean
• Removing Cargo.lock
• Deleting the /target directory entirely

Unfortunately, none of these actions resolved the problem.

Has anyone experienced similar behavior after upgrading to Rust 1.93.1, particularly in a workspace setup? Any guidance or suggestions would be greatly appreciated.

Thank you in advance.

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