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### Problem
it is difficult to check if the version of rustc called by cargo and the version of rustc in the users environment are the same, either due to RUSTC or RUSTC_WRAPPER being set, or due to …
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auto-reduced (treereduce-rust):
````rust
fn a(&self) {
15
}
reuse a as b { struct S; }
````
original:
````rust
#![rustc_dummy]
#![allow(as)]
fn a(&self) { 15 }
reuse a…
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The Rust compiler worked fine on my Windows desktop computer for a while (starting with the version 1.78). One day after I removed a Windows 10 SDK from Visual Studio Installer, the rustc is never abl…
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My rustc workspace `settings.json` looks like this:
```
{
"rust-analyzer.checkOnSave.overrideCommand": [
"./x.py",
"check",
"--json-output",
"library/std",
…
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### Bug Description
Create a transaction, return it outside and later move back can cause lifetime checker suck.
### Minimal Reproduction
```rust
pub async fn fetch_group_meta(
&sel…
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auto-reduced (treereduce-rust):
````rust
macro_rules! len {
() => {
target
};
}
fn main() {
let val: [str; len!()] = [];
}
````
original:
````rust
#![deny(…
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sorry my first bug report and not sure what to give, so here is the terminal output & my hardware info.
```
cargo install cargo-update
Updating crates.io index
Installing cargo-update v13.4.…
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auto-reduced (treereduce-rust):
````rust
#![feature(generic_const_exprs, unsized_const_params, adt_const_params)]
fn function() -> u32 {
17
}
struct Wrapper u32>;
imp…
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Hello,
I'm new to RUST and the build process. Going through the documents and scripts.
It is required for us to build "rustc" offline.
Following are the steps followed
- Do a rustc build as given …
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### Describe the Bug
Following the instructions in [the book](https://rustwasm.github.io/docs/book/game-of-life/hello-world.html) I'm getting this error:
```
jason@LAPTOP-KUS5B2I0 MINGW64 /c/gi…