error[internal]: left behind trailing whitespace
Open
Nobody has claimed this yet.
C-feature-request
I-trailing-whitespace
P-low
- Dominant language
- Rust
- Stars
- 7k
- Forks
- 1.1k
- Avg merge
- 2d 13h
- Merged PRs (30d)
- 24
Description
Describe the bug
rustfmt fails with an internal error:
error[internal]: left behind trailing whitespace
--> stdin:3:3:0
|
3 |
| ^^^^^^^^
|
warning: rustfmt has failed to format. See previous 1 errors.
To Reproduce
echo 'Zm4gdHJpbUdvb2QoKSB7CiAgICBpZiBsZXQgU29tZShxKSA9IGxhc3QgJiYgaSAhPSAwIHsKICAgICAgICAKICAgICAgICB9Cn0K' | base64 -d | rustfmt
Meta
- rustfmt 1.4.36-stable (7de6968 2021-02-07)
- From where did you install rustfmt?: rustup
- How do you run rustfmt:
rustfmt
Contributor guide
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 running the provided base64 and rustfmt reproduction command with the reported rustfmt version, then inspect the rustfmt formatting path that reports the trailing-whitespace internal error. Done means the input formats without an internal error and the resulting output is valid Rust formatting.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100