Rollup of 6 pull requests by JonathanBrouwer · Pull Request #153403 · rust-lang/rust

JonathanBrouwer · 2026-03-04T13:35:16Z

Successful merges:

Lint unused features #152164 (Lint unused features)
Refactor WriteBackendMethods a bit #152801 (Refactor WriteBackendMethods a bit)
Abort after representability errors #153317 (Abort after representability errors)
enable PassMode::Indirect { on_stack: true, .. } tail call arguments #153361 (enable PassMode::Indirect { on_stack: true, .. } tail call arguments)
miri subtree update #153402 (miri subtree update)
Remove cycle_fatal query modifier #153276 (Remove cycle_fatal query modifier)

This updates the rust-version file to 3c9faa0.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@3c9faa0 Filtered ref: rust-lang/miri@4003d54 Upstream diff: rust-lang/rust@7bee525...3c9faa0 This merge was created using https://github.com/rust-lang/josh-sync.

Automatic Rustup

This updates the rust-version file to 8387095.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@8387095 Filtered ref: rust-lang/miri@0d092c8 Upstream diff: rust-lang/rust@3c9faa0...8387095 This merge was created using https://github.com/rust-lang/josh-sync.

Automatic Rustup

This updates the rust-version file to e0cb264.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@e0cb264 Filtered ref: rust-lang/miri@291e6e9 Upstream diff: rust-lang/rust@8387095...e0cb264 This merge was created using https://github.com/rust-lang/josh-sync.

Automatic Rustup

…_files Print a warning when trying to open a file in `/proc`

Fixes RefCell being borrowed mutably twice, see rust-lang/miri#4563 (comment) . There are some places in rustc where the implementation of an argument passed to a tracing span makes a nested tracing call, e.g. [here](https://github.com/rust-lang/rust/blob/f6092f224d2b1774b31033f12d0bee626943b02f/compiler/rustc_const_eval/src/interpret/step.rs#L82-L89)->[here](https://github.com/rust-lang/rust/blob/f6092f224d2b1774b31033f12d0bee626943b02f/compiler/rustc_public/src/ty.rs#L265)->[here](https://github.com/rust-lang/rust/blob/f6092f224d2b1774b31033f12d0bee626943b02f/compiler/rustc_span/src/lib.rs#L2302). This is what caused the crash. Co-authored-by: Ralf Jung <post@ralfj.de>

Fixes rust-lang/miri#4563

Miscellaneous tracing fixes and improvements

Remove duplicate "the" in documentation.

This updates the rust-version file to 5fb2ff8.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@5fb2ff8 Filtered ref: rust-lang/miri@7247ca1 Upstream diff: rust-lang/rust@e0cb264...5fb2ff8 This merge was created using https://github.com/rust-lang/josh-sync.

Fix typo in tracing.md for `tracing_separate_thread`

Automatic Rustup

This updates the rust-version file to c78a294.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: rust-lang/rust@c78a294 Filtered ref: rust-lang/miri@1f76d8d Upstream diff: rust-lang/rust@5fb2ff8...c78a294 This merge was created using https://github.com/rust-lang/josh-sync.

Automatic Rustup

This updates the rust-version file to b3869b9.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: b3869b9 Filtered ref: 8ca8d84b29d11100879eadb68eb5774f85bb6977 Upstream diff: rust-lang/rust@c78a294...b3869b9 This merge was created using https://github.com/rust-lang/josh-sync.

Rustup

Automatic Rustup

This removes the `cycle_fatal` query modifier as it has no effect on its current users. The default `CycleErrorHandling::Error` mode does the same as `cycle_fatal` when the default impl of `FromCycleError` is used. The return types of queries using `cycle_fatal` however have no specialized `FromCycleError` impl.

…res, r=JonathanBrouwer Lint unused features *[View all comments](https://triagebot.infra.rust-lang.org/gh-comments/rust-lang/rust/pull/152164)* Fixes rust-lang#44232 Fixes rust-lang#151752 --- This PR records used features through query side effect, then reports unsued features finally.

Refactor WriteBackendMethods a bit

@oli-obk

…rrors, r=oli-obk Abort after `representability` errors Doing so results in better error messages and makes the code a bit simpler. Details in individual commits. r? @oli-obk

…tack-true, r=WaffleLapkin enable `PassMode::Indirect { on_stack: true, .. }` tail call arguments tracking issue: rust-lang#112788 fixes rust-lang#144855 And add a bunch of tests for tail call target support. r? WaffleLapkin

@ghost

miri subtree update Subtree update of `miri` to rust-lang/miri@c37cbf8. Created using https://github.com/rust-lang/josh-sync. r? @ghost

Remove `cycle_fatal` query modifier This removes the `cycle_fatal` query modifier as it has no effect on its current users. The default `CycleErrorHandling::Error` mode does the same as `cycle_fatal` when the default impl of `FromCycleError` is used. The return types of queries using `cycle_fatal` however have no specialized `FromCycleError` impl.

JonathanBrouwer · 2026-03-04T13:35:29Z

@bors r+ rollup=never p=5

rust-bors · 2026-03-04T13:35:32Z

📌 Commit c72b1a1 has been approved by JonathanBrouwer

It is now in the queue for this repository.

JonathanBrouwer · 2026-03-04T13:35:37Z

Trying commonly failed jobs
@bors try jobs=test-various,x86_64-gnu-aux,x86_64-gnu-llvm-21-3,x86_64-msvc-1,aarch64-apple,x86_64-mingw-1

rust-bors · 2026-03-04T13:35:42Z

⌛ Trying commit c72b1a1 with merge 60f456d…

To cancel the try build, run the command @bors try cancel.

Workflow: https://github.com/rust-lang/rust/actions/runs/22671702967

Rollup of 6 pull requests try-job: test-various try-job: x86_64-gnu-aux try-job: x86_64-gnu-llvm-21-3 try-job: x86_64-msvc-1 try-job: aarch64-apple try-job: x86_64-mingw-1

JonathanBrouwer · 2026-03-04T13:40:03Z

@bors try cancel

rust-bors · 2026-03-04T13:40:07Z

Try build cancelled. Cancelled workflows:

https://github.com/rust-lang/rust/actions/runs/22671702967

rust-bors · 2026-03-04T18:30:19Z

PR #153361, which is a member of this rollup, was unapproved.
This rollup was thus also unapproved.

The Miri Cronjob Bot and others added 30 commits February 17, 2026 05:19

Prepare for merging from rust-lang/rust

bc1a566

This updates the rust-version file to 3c9faa0.

Merge pull request rust-lang#4861 from rust-lang/rustup-2026-02-17

b3b48e5

Automatic Rustup

Prepare for merging from rust-lang/rust

7f17343

This updates the rust-version file to 8387095.

Merge pull request rust-lang#4864 from rust-lang/rustup-2026-02-18

c1e4c33

Automatic Rustup

Prepare for merging from rust-lang/rust

c57ecb0

This updates the rust-version file to e0cb264.

fix genmc build

8b03e83

Merge pull request rust-lang#4865 from rust-lang/rustup-2026-02-19

d4b4ba8

Automatic Rustup

Print a warning when trying to open a file in /proc

054d4af

clean up path check

220d514

Merge pull request rust-lang#4857 from y1lan/warning_of_openning_proc…

1650751

…_files Print a warning when trying to open a file in `/proc`

Remove RDTSC timer and always rely on Instant instead

041e3a5

Fixes rust-lang/miri#4563

Update documentation for tracing

b0b2e8c

Merge pull request rust-lang#4860 from Stypox/fix-nested-tracing

e077016

Miscellaneous tracing fixes and improvements

Fix typo in tracing.md for tracing_separate_thread

7be6269

Remove duplicate "the" in documentation.

Prepare for merging from rust-lang/rust

4a2f129

This updates the rust-version file to 5fb2ff8.

Merge pull request rust-lang#4866 from willschlitzer/patch-1

20de36c

Fix typo in tracing.md for `tracing_separate_thread`

register Miri-specific symbols with the interner

3607191

Merge pull request rust-lang#4867 from rust-lang/rustup-2026-02-22

361416e

Automatic Rustup

Prepare for merging from rust-lang/rust

e7e512d

This updates the rust-version file to c78a294.

Merge pull request rust-lang#4869 from rust-lang/rustup-2026-02-23

ca026f5

Automatic Rustup

Prepare for merging from rust-lang/rust

7ed7b2b

This updates the rust-version file to b3869b9.

Merge pull request rust-lang#4870 from RalfJung/rustup

4ab624f

Rustup

remove FIXME about size of Pointer type

2e17c9b

oli-obk and others added 8 commits March 4, 2026 06:59

Merge pull request rust-lang#4884 from rust-lang/rustup-2026-03-04

a512d62

Automatic Rustup

Rollup merge of rust-lang#152801 - bjorn3:lto_refactors14, r=jackh726

73f0cc7

Refactor WriteBackendMethods a bit

Rollup merge of rust-lang#153317 - nnethercote:abort-after-infinite-e…

b63eec7

…rrors, r=oli-obk Abort after `representability` errors Doing so results in better error messages and makes the code a bit simpler. Details in individual commits. r? @oli-obk

Rollup merge of rust-lang#153402 - RalfJung:miri, r=RalfJung

7b3fdc0

miri subtree update Subtree update of `miri` to rust-lang/miri@c37cbf8. Created using https://github.com/rust-lang/josh-sync. r? @ghost

rust-bors bot added the rollup A PR which is a rollup label Mar 4, 2026

rust-bors bot 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 Mar 4, 2026

JonathanBrouwer closed this Mar 4, 2026

rust-bors bot added the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 4, 2026

rust-bors bot removed the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Mar 4, 2026

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Rollup of 6 pull requests#153403

Rollup of 6 pull requests#153403
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