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…lnay Add `Default` impls for `Pin`ned `Box`, `Rc`, `Arc` Fixes rust-lang#143688. `@rustbot` label T-libs-api needs-fcp Also needs a crater run, as the `Box` impls could theoretically be breaking due to `#[fundamental]` (though a [cursory search](https://github.com/search?q=%2Fimpl%28%3C.*%3E%29%3F+Default+for+Pin%3C%2F+path%3A*.rs&type=code) suggests this is unlikely to cause issues).
…ls, r=tgross35
Stabilize as_array_of_cells
This PR stabilizes
```rust
impl<T, const N: usize> Cell<[T; N]> {
pub const fn as_array_of_cells(&self) -> &[Cell<T>; N];
}
```
Stabilization report: rust-lang#88248 (comment)
Closes: rust-lang#88248
fix: Reject async assoc fns of const traits/impls in ast_passes Fixes rust-lang#117629
Implement `#[derive(From)]` Implements the `#[derive(From)]` feature ([tracking issue](rust-lang#144889), [RFC](rust-lang/rfcs#3809)). It allows deriving the `From` impl on structs and tuple structs with exactly one field. Some implementation notes: - I wasn't exactly sure which spans to use in the derive generating code, so I just used `span` everywhere. I don't know if it's the Right Thing To Do. In particular the errors when `#[derive(From)]` is used on a struct with an unsized field are weirdly duplicated. - I had to solve an import stability problem, where if I just added the unstable `macro From` to `core::convert`, previously working code like `use std::convert::From` would suddenly require an unstable feature gate, because rustc would think that you're trying to import the unstable macro. `@petrochenkov` suggested that I add the macro the the core prelude instead. This has worked well, although it only works in edition 2021+. Not sure if I botched the prelude somehow and it should live elsewhere (?). - I had to add `Ty::AstTy`, because the `from` function receives an argument with the type of the single field, and the existing variants of the `Ty` enum couldn't represent an arbitrary type.
…-iter-chain, r=jhpratt Stabilize `core::iter::chain` Closes rust-lang#125964
…alexcrichton fix(tests/rmake/wasm-unexpected-features): change features from `WASM1` to `MVP` missed this in rust-lang#145275 since test calls `rustc` with `-C target-cpu mvp` try-job: `test-various`
Remove duplicated tracing span in bootstrap `trace_cmd` is now called also in the `stream` method, so including it also here was duplicating command spans. r? `@jieyouxu`
…pr, r=jieyouxu Fix tracing debug representation of steps without arguments in bootstrap I was wondering why I see `lainSourceTarbal` in tracing logs... r? `@jieyouxu`
…-run, r=jieyouxu Do not copy files in `copy_src_dirs` in dry run This reduces the time to run the current 9 dist snapshot tests from ~24s to ~2s on my PC. r? `@jieyouxu`
…ovenance, r=RalfJung Stabilize `const_exposed_provenance` feature This closes [tracking issue](rust-lang#144538) and stabilises `fn with_exposed_provenance` and `fn with_exposed_provenance_mut` in const
Enable new `[range-diff]` feature in triagebot This new feature adds a comment to triagebot range-diff feature when a PR is rebased onto a different base/master commit. Related to [#t-compiler > Experimental range-diff for force-push @ 💬](https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/Experimental.20range-diff.20for.20force-push/near/534649322) r? Kobzol
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@bors r+ rollup=never p=5 |
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☀️ Test successful - checks-actions |
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What is this?This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.Comparing cd7cbe8 (parent) -> 1ae7c49 (this PR) Test differencesShow 357 test diffsStage 1
Stage 2
(and 115 additional test diffs) Additionally, 142 doctest diffs were found. These are ignored, as they are noisy. Job group index
Test dashboardRun cargo run --manifest-path src/ci/citool/Cargo.toml -- \
test-dashboard 1ae7c4907275f10b3db9e886bc8809ec063e45ee --output-dir test-dashboardAnd then open Job duration changes
How to interpret the job duration changes?Job durations can vary a lot, based on the actual runner instance |
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📌 Perf builds for each rolled up PR:
previous master: cd7cbe818e In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
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Finished benchmarking commit (1ae7c49): comparison URL. Overall result: ❌✅ regressions and improvements - please read the text belowOur benchmarks found a performance regression caused by this PR. Next Steps:
@rustbot label: +perf-regression Instruction countOur most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.
Max RSS (memory usage)Results (primary -0.9%, secondary -3.7%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesResults (primary 3.0%, secondary 3.4%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Binary sizeResults (primary 0.6%, secondary -1.5%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Bootstrap: 469.562s -> 469.963s (0.09%) |
This was referenced Aug 16, 2025
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Noise :( @rustbot label: +perf-regression-triaged |
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Successful merges:
Defaultimpls forPinnedBox,Rc,Arc#143717 (AddDefaultimpls forPinnedBox,Rc,Arc)#[derive(From)]#144922 (Implement#[derive(From)])core::iter::chain#144963 (Stabilizecore::iter::chain)WASM1toMVP#145436 (fix(tests/rmake/wasm-unexpected-features): change features fromWASM1toMVP)copy_src_dirsin dry run #145455 (Do not copy files incopy_src_dirsin dry run)const_exposed_provenancefeature #145462 (Stabilizeconst_exposed_provenancefeature)[range-diff]feature in triagebot #145466 (Enable new[range-diff]feature in triagebot)r? @ghost
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