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Rollup of 9 pull requests #125975

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r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

nnethercote and others added 26 commits May 28, 2024 08:14
To reduce indentation and improve readability.
We still check for the `rental`/`allsorts-rental` crates. But now if
they are detected we just emit a fatal error, instead of emitting a
warning and providing alternative behaviour.

The original "hack" implementing alternative behaviour was added
in rust-lang#73345.

The lint was added in rust-lang#83127.

The tracking issue is rust-lang#83125.

The direct motivation for the change is that providing the alternative
behaviour is interfering with rust-lang#125174 and follow-on work.
… candidates instead of assuming any candidate of the right name will apply.
This is needed for fixing the missing license issue.

See rust-lang#125465.
The flag propagates cargo configs to `rustc-perf --cargo-config`,
which is particularly useful when the environment is air-gapped,
and you want to use the default set of training crates vendored
in the rustc-src tarball.
Some of the bootstrap logics should be ignored during unit tests because they either
make the tests take longer or cause them to fail. Therefore we need to be able to exclude
them from the bootstrap when it's called by unit tests. This change introduces a new feature
called `bootstrap-self-test`, which is enabled on bootstrap unit tests by default. This allows
us to keep the logic separate between compiler builds and bootstrap tests without needing messy
workarounds (like checking if target names match those in the unit tests).

Signed-off-by: onur-ozkan <work@onurozkan.dev>
The addition of `core::iter::zip` (rust-lang#82917) set a precedent for adding
plain functions for iterator adaptors. Adding `chain` makes it a little
easier to `chain` two iterators.

```
for (x, y) in chain(xs, ys) {}
// vs.
for (x, y) in xs.into_iter().chain(ys) {}
```
…nieu

Add function `core::iter::chain`

The addition of `core::iter::zip` (rust-lang#82917) set a precedent for adding plain functions for iterator adaptors. Adding `chain` makes it a little easier to `chain` two iterators.

```rust
for (x, y) in chain(xs, ys) {}
// vs.
for (x, y) in xs.into_iter().chain(ys) {}
```

There is prior art for the utility of this in [`itertools::chain`](https://docs.rs/itertools/latest/itertools/fn.chain.html).

Approved ACP rust-lang/libs-team#154
…albertlarsan68

bootstrap: implement new feature `bootstrap-self-test`

Some of the bootstrap logics should be ignored during unit tests because they either make the tests take longer or cause them to fail. Therefore we need to be able to exclude them from the bootstrap when it's called by unit tests. This change introduces a new feature called `bootstrap-self-test`, which is enabled on bootstrap unit tests by default. This allows us to keep the logic separate between compiler builds and bootstrap tests without needing messy workarounds (like checking if target names match those in the unit tests).

Also, resolves rust-lang#122090 (without having to create separate modules)
…stebank

Convert `proc_macro_back_compat` lint to an unconditional error.

We still check for the `rental`/`allsorts-rental` crates. But now if they are detected we just emit a fatal error, instead of emitting a warning and providing alternative behaviour.

The original "hack" implementing alternative behaviour was added in rust-lang#73345.

The lint was added in rust-lang#83127.

The tracking issue is rust-lang#83125.

The direct motivation for the change is that providing the alternative behaviour is interfering with rust-lang#125174 and follow-on work.

r? `@estebank`
…ompiler-errors

Winnow private method candidates instead of assuming any candidate of the right name will apply

partially reverts rust-lang#60721

My original motivation was just to avoid the `delay_span_bug` (by attempting to thread the `ErrorGuaranteed` through to here). But then I realized that the error message is wrong. It refers to the `Foo<A>::foo` instead of `Foo<B>::foo`. This is almost invisible, because both functions are the same, but on different lines, so `-Zui-testing` makes it so the test is the same no matter which of these two functions is referenced.

But there's a much more obvious bug: If `Foo<B>` does not have a `foo` method at all, but `Foo<A>` has a private `foo` method, then we'll refer to that one. This has now been fixed, and we report a normal `method not found` error.

The way this is done is by creating a list of all possible private functions (just like we create a list of the public functions that can actually be called), and then winnowing it by analyzing where bounds and `Self` types to see if any of the found methods can actually apply (again, just like with the list of public functions).

I wonder if there is room for doing the same thing with unstable functions instead of running all of method resolution twice.

r? `@compiler-errors` for method resolution stuff
…pietroalbini

Ignore `vec_deque_alloc_error::test_shrink_to_unwind` test on non-unwind targets

rust-lang#123803 added this test which requires unwinding to succeed. This conditionally ignores the test on non-unwind targets (as is the case with other tests using `catch_unwind`).
…onfig, r=Kobzol

feat(opt-dist): new flag `--benchmark-cargo-config`

This should be the last piece toward self-contained `opt-dist` (I believe).

The flag propagates cargo configs to `rustc-perf --cargo-config`,
which is particularly useful when the environment is air-gapped,
and you want to use the default set of training crates vendored
in the rustc-src tarball.

It fixes the issue described in rust-lang#125465

> * The current pinned rustc-perf uses `tempfile::Tempdir` as the working
  directory when collecting profiles from some of these packages.
  This "tmp" working directory usage make it impossible for Cargo to pick
  up the correct vendor sources setting in `.cargo/config.toml` bundled
  in the rustc-src tarball. [^1]
> [^1]: https://github.com/rust-lang/rustc-perf/blob/4f313add609f43e928e98132358e8426ed3969ae/collector/src/compile/benchmark/mod.rs#L164-L173

See also

* <rust-lang/rustc-perf#1913>
* <rust-lang#125465>
* https://rust-lang.zulipchat.com/#narrow/stream/247081-t-compiler.2Fperformance/topic/tempfile.20in.20rustc-perf.20make.20it.20hard.20to.20configure.20vendor

r​? Kobzol
Fix typo in the docs of `HashMap::raw_entry_mut`

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Update books

## rust-lang/book

6 commits in 85442a608426d3667f1c9458ad457b241a36b569..5228bfac8267ad24659a81b92ec5417976b5edbc
2024-05-29 20:55:49 UTC to 2024-05-27 17:22:03 UTC

- Fix typo in ch10-03 (rust-lang/book#3539)
- Backport changes to ch 9 and 10 (rust-lang/book#3946)
- infra: correctly support preprocessors for nostarch (rust-lang/book#3944)
- Use `<kbd>` instead of `<span class="keystroke">` (rust-lang/book#3945)
- infra: Fix clippy warning in remove_markup (rust-lang/book#3943)
- fix: ch10-03 - misleading use of expect on .split (rust-lang/book#3939)

## rust-lang/edition-guide

2 commits in 0c68e90acaae5a611f8f5098a3c2980de9845ab2..bbaabbe088e21a81a0d9ae6757705020d5d7b416
2024-05-24 19:07:18 UTC to 2024-05-21 22:40:52 UTC

- 2024: Document reserving `gen` keyword (rust-lang/edition-guide#300)
- 2024: Document cargo changes (rust-lang/edition-guide#301)

## rust-embedded/book

1 commits in dd962bb82865a5284f2404e5234f1e3222b9c022..b10c6acaf0f43481f6600e95d4b5013446e29f7a
2024-05-31 08:51:50 UTC to 2024-05-31 08:51:50 UTC

- Add some explanations as to why exception re-entrancy may still be an issue in a multicore-environment. (rust-embedded/book#367)

## rust-lang/reference

6 commits in e356977fceaa8591c762312d8d446769166d4b3e..6019b76f5b28938565b251bbba0bf5cc5c43d863
2024-06-03 15:58:57 UTC to 2024-05-25 18:35:54 UTC

- Add Apple `target_abi` values to the example values (rust-lang/reference#1507)
- this needs a space (rust-lang/reference#1506)
- Mention Variadics With No Fixed Parameter (rust-lang/reference#1494)
- Add "scopes" chapter. (rust-lang/reference#1040)
- update patterns.md for const pattern RFC (rust-lang/reference#1456)
- document guarantee about evaluation of associated consts and const blocks (rust-lang/reference#1497)

## rust-lang/rust-by-example

3 commits in 20482893d1a502df72f76762c97aed88854cdf81..4840dca06cadf48b305d3ce0aeafde7f80933f80
2024-05-28 13:56:12 UTC to 2024-05-27 11:51:10 UTC

- Update mdbook-i18n-helpers to 0.3.3 (rust-lang/rust-by-example#1857)
- Fix CI failure (rust-lang/rust-by-example#1856)
- Add precision on From/Into asymmetry to from_into.md (rust-lang/rust-by-example#1855)

## rust-lang/rustc-dev-guide

4 commits in b6d4a4940bab85cc91eec70cc2e3096dd48da62d..6a7374bd87cbac0f8be4fd4877d8186d9c313985
2024-05-31 00:27:28 UTC to 2024-05-21 09:56:12 UTC

- Flesh out the "representing types" chapter (rust-lang/rustc-dev-guide#1985)
- sync the stage0 filename (rust-lang/rustc-dev-guide#1979)
- Add Rust for Linux notification group entry (rust-lang/rustc-dev-guide#1984)
- fix some typos (rust-lang/rustc-dev-guide#1983)
Update fuchsia maintainers

This makes the maintainers list in the docs line up with the current [fuchsia team](https://github.com/rust-lang/team/blob/master/teams/fuchsia.toml).
@rustbot rustbot added A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jun 4, 2024
@rustbot rustbot added T-libs Relevant to the library team, which will review and decide on the PR/issue. rollup A PR which is a rollup labels Jun 4, 2024
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@bors r+ rollup=never p=9

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bors commented Jun 4, 2024

📌 Commit cee5d8e has been approved by compiler-errors

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 4, 2024
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The job mingw-check-tidy failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)
Download action repository 'msys2/setup-msys2@v2.22.0' (SHA:cc11e9188b693c2b100158c3322424c4cc1dadea)
Download action repository 'actions/checkout@v4' (SHA:a5ac7e51b41094c92402da3b24376905380afc29)
Download action repository 'actions/setup-python@v5' (SHA:82c7e631bb3cdc910f68e0081d67478d79c6982d)
Download action repository 'actions/upload-artifact@v4' (SHA:65462800fd760344b1a7b4382951275a0abb4808)
Complete job name: PR - mingw-check-tidy
git config --global core.autocrlf false
shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
---
COPY scripts/sccache.sh /scripts/
RUN sh /scripts/sccache.sh

COPY host-x86_64/mingw-check/reuse-requirements.txt /tmp/
RUN pip3 install --no-deps --no-cache-dir --require-hashes -r /tmp/reuse-requirements.txt \
    && pip3 install virtualenv
COPY host-x86_64/mingw-check/validate-toolstate.sh /scripts/
COPY host-x86_64/mingw-check/validate-error-codes.sh /scripts/

# NOTE: intentionally uses python2 for x.py so we can test it still works.
# NOTE: intentionally uses python2 for x.py so we can test it still works.
# validate-toolstate only runs in our CI, so it's ok for it to only support python3.
ENV SCRIPT TIDY_PRINT_DIFF=1 python2.7 ../x.py test \
           --stage 0 src/tools/tidy tidyselftest --extra-checks=py:lint
# This file is autogenerated by pip-compile with Python 3.10
# by the following command:
#
#    pip-compile --allow-unsafe --generate-hashes reuse-requirements.in
---

#9 [4/8] RUN sh /scripts/sccache.sh
#9 CACHED

#10 [6/8] RUN pip3 install --no-deps --no-cache-dir --require-hashes -r /tmp/reuse-requirements.txt     && pip3 install virtualenv

#11 [7/8] COPY host-x86_64/mingw-check/validate-toolstate.sh /scripts/
#11 CACHED

---
DirectMap4k:      190400 kB
DirectMap2M:     7149568 kB
DirectMap1G:    11534336 kB
##[endgroup]
Executing TIDY_PRINT_DIFF=1 python2.7 ../x.py test            --stage 0 src/tools/tidy tidyselftest --extra-checks=py:lint
+ TIDY_PRINT_DIFF=1 python2.7 ../x.py test --stage 0 src/tools/tidy tidyselftest --extra-checks=py:lint
    Finished `dev` profile [unoptimized] target(s) in 0.03s
##[endgroup]
downloading https://ci-artifacts.rust-lang.org/rustc-builds-alt/85f90a461262f7ca37a6e629933d455fa9c3ee48/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz
extracting /checkout/obj/build/cache/llvm-85f90a461262f7ca37a6e629933d455fa9c3ee48-true/rust-dev-nightly-x86_64-unknown-linux-gnu.tar.xz to /checkout/obj/build/x86_64-unknown-linux-gnu/ci-llvm
---
##[endgroup]
fmt check
fmt: checked 4832 files
tidy check
tidy error: `ISSUES_ENTRY_LIMIT` is too high (is 1674, should be 1672)
removing old virtual environment
removing old virtual environment
creating virtual environment at '/checkout/obj/build/venv' using 'python3.10'
Requirement already satisfied: pip in ./build/venv/lib/python3.10/site-packages (24.0)
Collecting black==23.3.0 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 7))
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.7/1.7 MB 15.3 MB/s eta 0:00:00
Collecting click==8.1.3 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 34))
  Downloading click-8.1.3-py3-none-any.whl (96 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 96.6/96.6 kB 25.8 MB/s eta 0:00:00
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Collecting importlib-metadata==6.7.0 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 38))
  Downloading importlib_metadata-6.7.0-py3-none-any.whl (22 kB)
Collecting mypy-extensions==1.0.0 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 42))
  Downloading mypy_extensions-1.0.0-py3-none-any.whl (4.7 kB)
Collecting packaging==23.1 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 46))
  Downloading packaging-23.1-py3-none-any.whl (48 kB)
Collecting pathspec==0.11.1 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 50))
  Downloading pathspec-0.11.1-py3-none-any.whl (29 kB)
Collecting platformdirs==3.6.0 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 54))
  Downloading platformdirs-3.6.0-py3-none-any.whl (16 kB)
  Downloading platformdirs-3.6.0-py3-none-any.whl (16 kB)
Collecting ruff==0.0.272 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 58))
  Downloading ruff-0.0.272-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (5.9 MB)
Collecting tomli==2.0.1 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 77))
  Downloading tomli-2.0.1-py3-none-any.whl (12 kB)
Collecting typed-ast==1.5.4 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 81))
  Downloading typed_ast-1.5.4-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl (877 kB)
  Downloading typed_ast-1.5.4-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl (877 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 877.7/877.7 kB 16.7 MB/s eta 0:00:00
Collecting typing-extensions==4.6.3 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 107))
  Downloading typing_extensions-4.6.3-py3-none-any.whl (31 kB)
Collecting zipp==3.15.0 (from -r /checkout/src/tools/tidy/config/requirements.txt (line 114))
  Downloading zipp-3.15.0-py3-none-any.whl (6.8 kB)
Installing collected packages: zipp, typing-extensions, typed-ast, tomli, ruff, platformdirs, pathspec, packaging, mypy-extensions, click, importlib-metadata, black
Successfully installed black-23.3.0 click-8.1.3 importlib-metadata-6.7.0 mypy-extensions-1.0.0 packaging-23.1 pathspec-0.11.1 platformdirs-3.6.0 ruff-0.0.272 tomli-2.0.1 typed-ast-1.5.4 typing-extensions-4.6.3 zipp-3.15.0
some tidy checks failed
Build completed unsuccessfully in 0:01:05
  local time: Tue Jun  4 12:56:24 UTC 2024
  network time: Tue, 04 Jun 2024 12:56:24 GMT

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lqd commented Jun 4, 2024

Failure could be by #125622

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@bors r-

@bors bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jun 4, 2024
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