Rollup of 9 pull requests by JonathanBrouwer · Pull Request #154062 · rust-lang/rust

JonathanBrouwer · 2026-03-18T23:51:52Z

Successful merges:

Add bootstrap step for stdarch-verify #153957 (Add bootstrap step for stdarch-verify)
When single impl can satisfy inference error, suggest type #153727 (When single impl can satisfy inference error, suggest type)
Add hygiene annotations for tokens in macro_rules! bodies #153308 (Add hygiene annotations for tokens in macro_rules! bodies)
fix inference variables leaking into HIR const literal lowering logic #153557 (fix inference variables leaking into HIR const literal lowering logic)
Fix some suggestions of the for-loops-over-fallibles lint #153913 (Fix some suggestions of the for-loops-over-fallibles lint)
mGCA: Lower const generic args to infer when needed #153987 (mGCA: Lower const generic args to infer when needed)
bootstrap: Optionally print a backtrace if a command fails #153992 (bootstrap: Optionally print a backtrace if a command fails)
borrowck/type_check: remove helper left-over from unsized locals #154036 (borrowck/type_check: remove helper left-over from unsized locals)
merge regions-outlives-nominal-type-* tests into one file #154038 (merge regions-outlives-nominal-type-* tests into one file)

`-Zunpretty=expanded,hygiene` was not printing syntax context annotations for identifiers and lifetimes inside `macro_rules!` bodies. These tokens are printed via `print_tt()` → `token_to_string_ext()`, which converts tokens to strings without calling `ann_post()`. This meant that macro-generated `macro_rules!` definitions with hygienic metavar parameters (e.g. multiple `$marg` distinguished only by hygiene) were printed with no way to tell them apart. This was fixed by adding a match on `token.kind` in `print_tt()` to call `ann_post()` for `Ident`, `NtIdent`, `Lifetime`, and `NtLifetime` tokens, matching how `print_ident()` and `print_lifetime()` already handle AST-level identifiers and lifetimes. Signed-off-by: Andrew V. Teylu <andrew.teylu@vector.com>

Add `unpretty-debug-shadow` test covering macro body tokens that reference a shadowed variable, and simplify the `unpretty-debug-metavars` test macro. Signed-off-by: Andrew V. Teylu <andrew.teylu@vector.com>

Co-authored-by: BoxyUwU <rust@boxyuwu.dev>

* add bootstrap for stdarch-verify * update bootstrap snapshot * make default * update snapshots

When encountering an inference error where a return type must be known, like when calling `Iterator::sum::<T>()` without specifying `T`, look for all `T` that would satisfy `Sum<S>`. If only one, suggest it. ``` error[E0283]: type annotations needed --> $DIR/cannot-infer-iterator-sum-return-type.rs:4:9 | LL | let sum = v | ^^^ ... LL | .sum(); // `sum::<T>` needs `T` to be specified | --- type must be known at this point | = note: cannot satisfy `_: Sum<i32>` help: the trait `Sum` is implemented for `i32` --> $SRC_DIR/core/src/iter/traits/accum.rs:LL:COL ::: $SRC_DIR/core/src/iter/traits/accum.rs:LL:COL | = note: in this macro invocation note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL = note: this error originates in the macro `integer_sum_product` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider giving `sum` an explicit type, where the type for type parameter `S` is specified | LL | let sum: i32 = v | +++++ ```

@Kobzol

Add bootstrap step for stdarch-verify This PR hooks `library/stdarch/crates/stdarch-verify` crate into the bootstrap test runner as a step, so that we can run the stdarch-verify suite via x.py test. Changes : -> Added StdarchVerify in `src/bootstrap/src/core/build_steps/test.rs` -> Added `test::StdarchVerify` in `src/bootstrap/src/core/builder/mod.rs` Tests: -> Running `./x.py test library/stdarch/crates/stdarch-verify` builds compiler and std successfully. -> All three integration tests Passes: tests/arm.rs tests/mips.rs tests/x86-intel.rs -> Doc tests for `stdarch_verify` also Passes. r? @Kobzol

When single impl can satisfy inference error, suggest type When encountering an inference error where a return type must be known, like when calling `Iterator::sum::<T>()` without specifying `T`, look for all `T` that would satisfy `Sum<S>`. If only one, suggest it. ``` error[E0283]: type annotations needed --> $DIR/cannot-infer-iterator-sum-return-type.rs:4:9 | LL | let sum = v | ^^^ ... LL | .sum(); // `sum::<T>` needs `T` to be specified | --- type must be known at this point | = note: cannot satisfy `_: Sum<i32>` help: the trait `Sum` is implemented for `i32` --> $SRC_DIR/core/src/iter/traits/accum.rs:LL:COL ::: $SRC_DIR/core/src/iter/traits/accum.rs:LL:COL | = note: in this macro invocation note: required by a bound in `std::iter::Iterator::sum` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL = note: this error originates in the macro `integer_sum_product` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider giving `sum` an explicit type, where the type for type parameter `S` is specified | LL | let sum: i32 = v | +++++ ``` Fix rust-lang#100802.

…elmann Add hygiene annotations for tokens in `macro_rules!` bodies `-Zunpretty=expanded,hygiene` was not printing syntax context annotations for identifiers and lifetimes inside `macro_rules!` bodies. These tokens are printed via `print_tt()` → `token_to_string_ext()`, which converts tokens to strings without calling `ann_post()`. This meant that macro-generated `macro_rules!` definitions with hygienic metavar parameters (e.g. multiple `$marg` distinguished only by hygiene) were printed with no way to tell them apart. This was fixed by adding a match on `token.kind` in `print_tt()` to call `ann_post()` for `Ident`, `NtIdent`, `Lifetime`, and `NtLifetime` tokens, matching how `print_ident()` and `print_lifetime()` already handle AST-level identifiers and lifetimes.

fix inference variables leaking into HIR const literal lowering logic Inference variables could leak into further const lowering logic It ICEs when query system tries to cache `lit_to_const()` after its execution and panics, because inference variables are not hashable for some reason Fixes rust-lang#153524 Fixes rust-lang#153525

Fix some suggestions of the `for-loops-over-fallibles` lint Fix rust-lang#148114 Fix rust-lang#147973 Also address rust-lang/rust-clippy#16133 which is another case of it

mGCA: Lower const generic args to infer when needed close: rust-lang#153198 r? BoxyUwU

… r=jieyouxu,kobzol bootstrap: Optionally print a backtrace if a command fails I found this quite useful for debugging why a command was failing eagerly (it turns out that `.delay_failure()` is ignored if `fail_fast` is enabled).

… r=nnethercote borrowck/type_check: remove helper left-over from unsized locals This used to check two features, but ever since rust-lang#141811 it's only one so there's no reason any more to have a helper function here.

merge `regions-outlives-nominal-type-*` tests into one file This is easily done since each of the individual files was already wrapped in a `mod`. Also, this removes the unneeded `rustc_attrs` usage from the tests.

JonathanBrouwer · 2026-03-18T23:52:05Z

@bors r+ rollup=never p=5

rust-bors · 2026-03-18T23:52:09Z

📌 Commit 3f102c1 has been approved by JonathanBrouwer

It is now in the queue for this repository.

Rollup of 9 pull requests try-job: aarch64-msvc-1

…uwer Rollup of 9 pull requests Successful merges: - #153957 (Add bootstrap step for stdarch-verify) - #153727 (When single impl can satisfy inference error, suggest type) - #153308 (Add hygiene annotations for tokens in `macro_rules!` bodies) - #153557 (fix inference variables leaking into HIR const literal lowering logic) - #153913 (Fix some suggestions of the `for-loops-over-fallibles` lint) - #153987 (mGCA: Lower const generic args to infer when needed) - #153992 (bootstrap: Optionally print a backtrace if a command fails) - #154036 (borrowck/type_check: remove helper left-over from unsized locals) - #154038 (merge `regions-outlives-nominal-type-*` tests into one file)

rust-bors · 2026-03-19T09:10:14Z

☀️ Try build successful (CI)
Build commit: 144569c (144569c51b5e3a31f50e9ded4120e4656ada101a, parent: fd0c901b00ee1e08a250039cdb90258603497e20)

rust-bors · 2026-03-19T10:39:20Z

💔 Test for be69110 failed: CI. Failed job:

auto - x86_64-gnu-distcheck (web logs, enhanced plaintext logs)

JonathanBrouwer · 2026-03-19T10:44:42Z

... probably spurious?
@bors retry

rust-log-analyzer · 2026-03-19T10:46:57Z

The job x86_64-gnu-distcheck failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

explicit panic
stack backtrace:
   0: __rustc::rust_begin_unwind
   1: core::panicking::panic_fmt
  . 2: core.::.panicking::.panic
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
.........
thread '<unnamed>' (325916) panicked at library/std/src/thread/tests.rs:250:9:
Box<dyn Any>

---
 INFO Book building has started
 INFO Running the html backend
 INFO HTML book written to `/tmp/distcheck/distcheck-rustc-src/build/x86_64-unknown-linux-gnu/doc/rustc`
Doc path: /tmp/distcheck/distcheck-rustc-src/build/x86_64-unknown-linux-gnu/doc/rustc/index.html
##[group]Testing stage3 stdarch-verify (x86_64-unknown-linux-gnu)
error: failed to select a version for the requirement `syn = "^2.0"` (locked to 2.0.115)
candidate versions found which didn't match: 2.0.114, 2.0.110, 2.0.106, ...
location searched: directory source `/tmp/distcheck/distcheck-rustc-src/vendor` (which is replacing registry `crates-io`)
required by package `assert-instr-macro v0.1.0 (/tmp/distcheck/distcheck-rustc-src/library/stdarch/crates/assert-instr-macro)`
perhaps a crate was updated and forgotten to be re-vendored?
As a reminder, you're using offline mode (--frozen) which can sometimes cause surprising resolution failures, if this error is too confusing you may wish to retry without `--frozen`.
Build completed unsuccessfully in 1:19:21
make: *** [Makefile:49: check] Error 1
Command `make check [workdir=/tmp/distcheck/distcheck-rustc-src]` failed with exit code 2
Created at: src/bootstrap/src/core/build_steps/test.rs:3507:5
Executed at: src/bootstrap/src/core/build_steps/test.rs:3513:10

--- BACKTRACE vvv
   0: <bootstrap::utils::exec::DeferredCommand>::finish_process
             at /checkout/src/bootstrap/src/utils/exec.rs:939:17
   1: <bootstrap::utils::exec::DeferredCommand>::wait_for_output::<&bootstrap::utils::exec::ExecutionContext>
             at /checkout/src/bootstrap/src/utils/exec.rs:831:21
   2: <bootstrap::utils::exec::ExecutionContext>::run
             at /checkout/src/bootstrap/src/utils/exec.rs:741:45
   3: <bootstrap::utils::exec::BootstrapCommand>::run::<&bootstrap::core::builder::Builder>
             at /checkout/src/bootstrap/src/utils/exec.rs:339:27
   4: bootstrap::core::build_steps::test::distcheck_plain_source_tarball
             at /checkout/src/bootstrap/src/core/build_steps/test.rs:3513:10
   5: <bootstrap::core::build_steps::test::Distcheck as bootstrap::core::builder::Step>::run
             at /checkout/src/bootstrap/src/core/build_steps/test.rs:3476:9
   6: <bootstrap::core::builder::Builder>::ensure::<bootstrap::core::build_steps::test::Distcheck>
             at /checkout/src/bootstrap/src/core/builder/mod.rs:1580:36
   7: <bootstrap::core::build_steps::test::Distcheck as bootstrap::core::builder::Step>::make_run
             at /checkout/src/bootstrap/src/core/build_steps/test.rs:3459:21
   8: <bootstrap::core::builder::StepDescription>::maybe_run
             at /checkout/src/bootstrap/src/core/builder/mod.rs:476:13
   9: bootstrap::core::builder::cli_paths::match_paths_to_steps_and_run
             at /checkout/src/bootstrap/src/core/builder/cli_paths.rs:232:18
  10: <bootstrap::core::builder::Builder>::run_step_descriptions
             at /checkout/src/bootstrap/src/core/builder/mod.rs:1123:9
  11: <bootstrap::core::builder::Builder>::execute_cli
             at /checkout/src/bootstrap/src/core/builder/mod.rs:1102:14
  12: <bootstrap::Build>::build
             at /checkout/src/bootstrap/src/lib.rs:799:25
  13: bootstrap::main
             at /checkout/src/bootstrap/src/bin/main.rs:130:11
  14: <fn() as core::ops::function::FnOnce<()>>::call_once
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
  15: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
  16: std::rt::lang_start::<()>::{closure#0}
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:206:18
  17: <&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync as core::ops::function::FnOnce<()>>::call_once
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:287:21
  18: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
  19: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
  20: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
  21: std::rt::lang_start_internal::{closure#0}
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:175:24
  22: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
---
  29: __libc_start_main
  30: _start


Command has failed. Rerun with -v to see more details.
Bootstrap failed while executing `test distcheck`
Build completed unsuccessfully in 1:26:51
  local time: Thu Mar 19 10:38:05 UTC 2026
  network time: Thu, 19 Mar 2026 10:38:05 GMT
##[error]Process completed with exit code 1.

JonathanBrouwer · 2026-03-19T10:46:59Z

@bors try jobs=x86_64-gnu-distcheck

Rollup of 9 pull requests try-job: x86_64-gnu-distcheck

rust-bors · 2026-03-19T10:47:58Z

⌛ Testing commit 3f102c1 with merge 2785251...

Workflow: https://github.com/rust-lang/rust/actions/runs/23291278868

…uwer Rollup of 9 pull requests Successful merges: - #153957 (Add bootstrap step for stdarch-verify) - #153727 (When single impl can satisfy inference error, suggest type) - #153308 (Add hygiene annotations for tokens in `macro_rules!` bodies) - #153557 (fix inference variables leaking into HIR const literal lowering logic) - #153913 (Fix some suggestions of the `for-loops-over-fallibles` lint) - #153987 (mGCA: Lower const generic args to infer when needed) - #153992 (bootstrap: Optionally print a backtrace if a command fails) - #154036 (borrowck/type_check: remove helper left-over from unsized locals) - #154038 (merge `regions-outlives-nominal-type-*` tests into one file)

rust-bors · 2026-03-19T12:11:53Z

💔 Test for 979f173 failed: CI. Failed job:

try - x86_64-gnu-distcheck (web logs, enhanced plaintext logs)

rust-log-analyzer · 2026-03-19T12:11:56Z

The job x86_64-gnu-distcheck failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

 INFO Book building has started
 INFO Running the html backend
 INFO HTML book written to `/tmp/distcheck/distcheck-rustc-src/build/x86_64-unknown-linux-gnu/doc/rustc`
Doc path: /tmp/distcheck/distcheck-rustc-src/build/x86_64-unknown-linux-gnu/doc/rustc/index.html
##[group]Testing stage3 stdarch-verify (x86_64-unknown-linux-gnu)
error: failed to select a version for the requirement `syn = "^2.0"` (locked to 2.0.115)
candidate versions found which didn't match: 2.0.114, 2.0.110, 2.0.106, ...
location searched: directory source `/tmp/distcheck/distcheck-rustc-src/vendor` (which is replacing registry `crates-io`)
required by package `assert-instr-macro v0.1.0 (/tmp/distcheck/distcheck-rustc-src/library/stdarch/crates/assert-instr-macro)`
perhaps a crate was updated and forgotten to be re-vendored?
As a reminder, you're using offline mode (--frozen) which can sometimes cause surprising resolution failures, if this error is too confusing you may wish to retry without `--frozen`.
Build completed unsuccessfully in 1:12:54
make: *** [Makefile:49: check] Error 1
Bootstrap failed while executing `test distcheck`
Command `make check [workdir=/tmp/distcheck/distcheck-rustc-src]` failed with exit code 2
Created at: src/bootstrap/src/core/build_steps/test.rs:3507:5
Executed at: src/bootstrap/src/core/build_steps/test.rs:3513:10

--- BACKTRACE vvv
   0: <bootstrap::utils::exec::DeferredCommand>::finish_process
             at /checkout/src/bootstrap/src/utils/exec.rs:939:17
   1: <bootstrap::utils::exec::DeferredCommand>::wait_for_output::<&bootstrap::utils::exec::ExecutionContext>
             at /checkout/src/bootstrap/src/utils/exec.rs:831:21
   2: <bootstrap::utils::exec::ExecutionContext>::run
             at /checkout/src/bootstrap/src/utils/exec.rs:741:45
   3: <bootstrap::utils::exec::BootstrapCommand>::run::<&bootstrap::core::builder::Builder>
             at /checkout/src/bootstrap/src/utils/exec.rs:339:27
   4: bootstrap::core::build_steps::test::distcheck_plain_source_tarball
             at /checkout/src/bootstrap/src/core/build_steps/test.rs:3513:10
   5: <bootstrap::core::build_steps::test::Distcheck as bootstrap::core::builder::Step>::run
             at /checkout/src/bootstrap/src/core/build_steps/test.rs:3476:9
   6: <bootstrap::core::builder::Builder>::ensure::<bootstrap::core::build_steps::test::Distcheck>
             at /checkout/src/bootstrap/src/core/builder/mod.rs:1580:36
   7: <bootstrap::core::build_steps::test::Distcheck as bootstrap::core::builder::Step>::make_run
             at /checkout/src/bootstrap/src/core/build_steps/test.rs:3459:21
   8: <bootstrap::core::builder::StepDescription>::maybe_run
             at /checkout/src/bootstrap/src/core/builder/mod.rs:476:13
   9: bootstrap::core::builder::cli_paths::match_paths_to_steps_and_run
             at /checkout/src/bootstrap/src/core/builder/cli_paths.rs:232:18
  10: <bootstrap::core::builder::Builder>::run_step_descriptions
             at /checkout/src/bootstrap/src/core/builder/mod.rs:1123:9
  11: <bootstrap::core::builder::Builder>::execute_cli
             at /checkout/src/bootstrap/src/core/builder/mod.rs:1102:14
  12: <bootstrap::Build>::build
             at /checkout/src/bootstrap/src/lib.rs:799:25
  13: bootstrap::main
             at /checkout/src/bootstrap/src/bin/main.rs:130:11
  14: <fn() as core::ops::function::FnOnce<()>>::call_once
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
  15: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
  16: std::rt::lang_start::<()>::{closure#0}
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:206:18
  17: <&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync as core::ops::function::FnOnce<()>>::call_once
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:287:21
  18: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
  19: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
  20: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::panic::unwind_safe::RefUnwindSafe + core::marker::Sync, i32>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
  21: std::rt::lang_start_internal::{closure#0}
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:175:24
  22: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
             at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
---
  29: __libc_start_main
  30: _start


Command has failed. Rerun with -v to see more details.
Build completed unsuccessfully in 1:20:08
  local time: Thu Mar 19 12:11:31 UTC 2026
  network time: Thu, 19 Mar 2026 12:11:31 GMT
##[error]Process completed with exit code 1.
##[group]Run echo "disk usage:"

JonathanBrouwer · 2026-03-19T12:14:20Z

Seems to be a real failure then
@bors r-
@bors cancel

rust-bors · 2026-03-19T12:14:24Z

This pull request was unapproved.

Auto build was cancelled due to unapproval. Cancelled workflows:

https://github.com/rust-lang/rust/actions/runs/23291278868

rust-bors · 2026-03-19T12:14:25Z

❗ There is currently no auto build in progress on this PR.

rust-bors · 2026-03-19T12:34:13Z

PR #153992, which is a member of this rollup, was unapproved.

JonathanBrouwer · 2026-03-19T12:34:20Z

This is #153992

aytey and others added 22 commits March 2, 2026 20:28

Add regression tests for token hygiene annotations in macro bodies

bf6db4f

Add `unpretty-debug-shadow` test covering macro body tokens that reference a shadowed variable, and simplify the `unpretty-debug-metavars` test macro. Signed-off-by: Andrew V. Teylu <andrew.teylu@vector.com>

Fix invalid suggestion on for-loops-over-fallibles

7ec77fd

mGCA: Lower const generic args to infer when needed

924374c

fix inference variables leaking into HIR const lowering logic

11810b8

Improve ty::Infer handling during const literal lowering

5113488

Co-authored-by: BoxyUwU <rust@boxyuwu.dev>

Do not lint for-loops-over-fallibles on external macros

b4c1677

Correct dir name

cfe18cf

borrowck/type_check: remove helper left-over from unsized locals

38aa322

merge regions-outlives-nominal-type-* tests into one file

6b0fecf

bootstrap: Optionally print a backtrace if a command fails

c8a2c46

Add bootstrap step for stdarch-verify

a085b68

* add bootstrap for stdarch-verify * update bootstrap snapshot * make default * update snapshots

Rollup merge of rust-lang#153913 - JohnTitor:issue-148814, r=Kivooeo

a65f8fe

Fix some suggestions of the `for-loops-over-fallibles` lint Fix rust-lang#148114 Fix rust-lang#147973 Also address rust-lang/rust-clippy#16133 which is another case of it

Rollup merge of rust-lang#153987 - reddevilmidzy:mgca-ast, r=BoxyUwU

44f76c3

mGCA: Lower const generic args to infer when needed close: rust-lang#153198 r? BoxyUwU

Rollup merge of rust-lang#154038 - cyrgani:regiontests, r=Kivooeo

3f102c1

merge `regions-outlives-nominal-type-*` tests into one file This is easily done since each of the individual files was already wrapped in a `mod`. Also, this removes the unneeded `rustc_attrs` usage from the tests.

rust-bors bot added the rollup A PR which is a rollup label Mar 18, 2026

rust-bors bot added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Mar 18, 2026

rust-bors bot pushed a commit that referenced this pull request Mar 19, 2026

Auto merge of #154062 - JonathanBrouwer:rollup-m2E2nAX, r=<try>

144569c

Rollup of 9 pull requests try-job: aarch64-msvc-1

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rust-bors bot pushed a commit that referenced this pull request Mar 19, 2026

Auto merge of #154062 - JonathanBrouwer:rollup-m2E2nAX, r=<try>

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Rollup of 9 pull requests try-job: x86_64-gnu-distcheck

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 19, 2026

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JonathanBrouwer mentioned this pull request Mar 19, 2026

bootstrap: Optionally print a backtrace if a command fails #153992

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rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Mar 19, 2026

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Rollup of 20 pull requests #154091

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Add bootstrap step for stdarch-verify #153957

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