Rust Test Nextest

What I do

• Standardize Rust test execution around cargo nextest run.
• Provide a deterministic fallback to cargo test when nextest is unavailable or fails due to environment/tooling constraints.

When to use me

Use this when:

• A task needs Rust tests run for tinyverse_cli or other Rust crates in this repo.
• An agent would otherwise choose cargo test by default.

Preferred workflow

1. Run cargo nextest run (optionally with -p <crate>).
2. If command is not found, unsupported, or fails due to environment/tooling setup, run cargo test with the same scope.
3. Report which path was used and why fallback happened when applicable.

Common commands

• Workspace: cargo nextest run
• Crate scoped: cargo nextest run -p tinyverse_cli
• Fallback crate scoped: cargo test -p tinyverse_cli

Notes

• Keep fallback behavior explicit in status updates.
• Do not treat regular test failures as a reason to silently switch tools without mentioning the fallback.

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