rust-lang / rust-lang/rust-mode
`cargo run` could not determine which binary to run. Use the `--bin` option to specify a binary, or the `default-run` manifest key.
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- Dominant language
- Emacs Lisp
- Stars
- 1.3k
- Forks
- 198
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Description
When I use C-c C-c C-r to run the currently open program, this error will be reported, how can I fix it?

Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing the C-c C-c C-r command in rust-mode and reproduce the reported cargo run error with a project containing multiple binaries. Determine the expected behavior for the currently open program; done means the command runs that program or clearly handles the multi-binary case.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- emacs, rust
- Domain
- cli, tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100