rust-lang / rust-lang/cargo-bisect-rustc
Nightly can be checked thrice in certain cases
Open
Nobody has claimed this yet.
A-bisection-algorithm
bug
- Dominant language
- Rust
- Stars
- 206
- Forks
- 60
- PR merge metrics
- No merged PRs in 30d
Description
$ cargo-bisect-rustc --end=2020-05-09
installing nightly-2020-05-09
RESULT: nightly-2020-05-09, ===> Yes
uninstalling nightly-2020-05-09
installing nightly-2020-05-07
RESULT: nightly-2020-05-07, ===> Yes
uninstalling nightly-2020-05-07
installing nightly-2020-05-05
RESULT: nightly-2020-05-05, ===> Yes
uninstalling nightly-2020-05-05
installing nightly-2020-05-03
RESULT: nightly-2020-05-03, ===> No
uninstalling nightly-2020-05-03
installing nightly-2020-05-05
RESULT: nightly-2020-05-05, ===> Yes
uninstalling nightly-2020-05-05
installing nightly-2020-05-04
RESULT: nightly-2020-05-04, ===> No
uninstalling nightly-2020-05-04
searched toolchains nightly-2020-05-03 through nightly-2020-05-05
installing nightly-2020-05-05
uninstalling nightly-2020-05-05
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Regression in nightly-2020-05-05
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As you can see, 2020-05-05 is downloaded and tested thrice. Is that necessary?
Contributor guide
No contributing guide indexed for this repository
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
The issue provides no file or test paths; start at the cargo-bisect-rustc command's nightly-selection and checking flow, reproducing the shown --end=2020-05-09 run. Trace why nightly-2020-05-05 is installed and tested three times; done means the repeated checks are understood and unnecessary repetition is avoided.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100