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Rollup of 5 pull requests - #147186
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```
error[E0597]: `c` does not live long enough
--> $DIR/without-precise-captures-we-are-powerless.rs:19:20
|
LL | fn simple<'a>(x: &'a i32) {
| -- lifetime `'a` defined here
...
LL | let c = async move || { println!("{}", *x); };
| - binding `c` declared here
LL | outlives::<'a>(c());
| ---------------^---
| | |
| | borrowed value does not live long enough
| argument requires that `c` is borrowed for `'a`
LL | outlives::<'a>(call_once(c));
LL | }
| - `c` dropped here while still borrowed
|
note: requirement that `c` is borrowed for `'a` introduced here
--> $DIR/without-precise-captures-we-are-powerless.rs:7:33
|
LL | fn outlives<'a>(_: impl Sized + 'a) {}
| ^^
```
When encountering a `ConstraintCategory::Predicate` in a funtion call, point at the `Span` for that `Predicate` to explain where the lifetime obligation originates from.```
error[E0716]: temporary value dropped while borrowed
--> $DIR/multiple-sources-for-outlives-requirement.rs:5:38
|
LL | fn foo<'b>() {
| -- lifetime `'b` defined here
LL | outlives_indir::<'_, 'b, _>(&mut 1u32);
| ---------------------------------^^^^-- temporary value is freed at the end of this statement
| | |
| | creates a temporary value which is freed while still in use
| argument requires that borrow lasts for `'b`
|
note: requirements that the value outlives `'b` introduced here
--> $DIR/multiple-sources-for-outlives-requirement.rs:1:23
|
LL | fn outlives_indir<'a: 'b, 'b, T: 'a>(_x: T) {}
| ^^ ^^
```In d94e7ff, `rustdoc_path` was changed to ignore `want_rustdoc` (which is just whether `--no-doc` was passed). But RUSTDOC_LIBDIR wasn't kept in sync. Rather than trying to keep `rustdoc_path` in sync with `RUSTDOC_LIBDIR`, just pass LIBDIR to the rustc shim unconditionally. This fix allows calling `ensure(doc::Step)` from a non-doc top-level Step, even if `--no-doc` was present in the command line.
Fix unuseful span in type error in some format_args!() invocations Fixedrust-lang#140578. r? ``@m-ou-se``
… r=lcnr
Point at fn bound that introduced lifetime obligation
The last note is new
```
error[E0597]: `c` does not live long enough
--> $DIR/without-precise-captures-we-are-powerless.rs:19:20
|
LL | fn simple<'a>(x: &'a i32) {
| -- lifetime `'a` defined here
...
LL | let c = async move || { println!("{}", *x); };
| - binding `c` declared here
LL | outlives::<'a>(c());
| ---------------^---
| | |
| | borrowed value does not live long enough
| argument requires that `c` is borrowed for `'a`
LL | outlives::<'a>(call_once(c));
LL | }
| - `c` dropped here while still borrowed
|
note: requirement that `c` is borrowed for `'a` introduced here
--> $DIR/without-precise-captures-we-are-powerless.rs:7:33
|
LL | fn outlives<'a>(_: impl Sized + 'a) {}
| ^^
```
When encountering a `ConstraintCategory::Predicate` in a funtion call, point at the `Span` for that `Predicate` to explain where the lifetime obligation originates from.
CC rust-lang#55307.…, r=lcnr cmse: fix 'region variables should not be hashed' tracking issue: rust-lang#81391fixesrust-lang#131639 Some background: the `cmse-nonsecure-call` calling convention is used for a call from "secure" to "non-secure" code. To make sure that "non-secure" cannot read any secrets, restrictions are put on the signatures of functions with this calling convention: they can only use 4 arguments for passing arguments, and one register for passing a result. No arguments are passed via the stack, and all other registers are cleared before the call. We check during `hir_ty_lowering` that the signature follows these rules. We do that by determining and then inspecting the layout of the type. That works well overall, but can run into asserts when the type itself is ill-formed. This PR fixes one such case. I believe that the fix here, just erasing the regions, is the right shape, but there may be some nuance that I'm missing. r? types
…=lcnr Rename various "concrete opaque type" things to say "hidden type" r? lcnr I've found "concrete opaque type" terminology to be somewhat confusing as in conversation and when explaining opaque type stuff to people I always just talk about things in terms of hidden types. Also the hidden types of opaques are very much not *concrete* in the same sense that a type without any generic parameters is concrete which is an unfortunate overlap in terminology. I've tried to update comments to also stop referring to things as concrete opaque types but this is mostly best effort as it difficult to find all such cases amongst the massive amounts of uses of "concrete" or "hidden" across the whole compiler.
Don't condition RUSTDOC_LIBDIR on `--no-doc` In d94e7ff, `rustdoc_path` was changed to ignore `want_rustdoc` (which is just whether `--no-doc` was passed). But RUSTDOC_LIBDIR wasn't kept in sync. Rather than trying to keep `rustdoc_path` in sync with `RUSTDOC_LIBDIR`, just pass LIBDIR to the rustc shim unconditionally. This fix allows calling `ensure(doc::Step)` from a non-doc top-level Step, even if `--no-doc` was present in the command line.
Zalathar
commented
Sep 30, 2025
MemberAuthor
bors
commented
Sep 30, 2025
Collaborator
bors
commented
Sep 30, 2025
Collaborator
bors
commented
Sep 30, 2025
Collaborator
☀️ Test successful - checks-actions |
rust-timer
commented
Sep 30, 2025
Collaborator
📌 Perf builds for each rolled up PR:
previous master: a2db928053 In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
Contributor
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 a2db928 (parent) -> 42d009c (this PR) Test differencesShow 19 test diffsStage 1
Stage 2
Additionally, 13 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 42d009c0a9be0f7020a03f85dd47faa00d6d7bdf --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 |
rust-timer
commented
Sep 30, 2025
Collaborator
Finished benchmarking commit (42d009c): comparison URL. Overall result: ❌ regressions - 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)This benchmark run did not return any relevant results for this metric. CyclesResults (primary 0.6%, secondary 3.3%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Binary sizeResults (primary 1.1%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Bootstrap: 470.437s -> 472.044s (0.34%) |
lqd
commented
Sep 30, 2025
Member
This looks like the common clap_derive opt noise to me. |
panstromek
commented
Oct 6, 2025
Contributor
perf triage:
@rustbot label: +perf-regression-triaged |
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Successful merges:
--no-doc#147167 (Don't condition RUSTDOC_LIBDIR on--no-doc)r? @ghost
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