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@Zalathar Zalathar commented Sep 17, 2025

Successful merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

sourcefrog and others added 30 commits June 20, 2025 13:22
Co-authored-by: Travis Cross <[email protected]>
```
error: unexpected `...`
  --> $DIR/varargs-in-closure-isnt-supported.rs:5:20
   |
LL |     let mut lol = |...| ();
   |                    ^^^ not a valid pattern
   |
   = note: C-variadic type `...` is not allowed here
```
All of the tier 3 targets in the list now link dynamically by default
(except mips64el-unknown-linux-muslabi64, I overlooked that one).

Adjust the list of targets expected to link statically accordingly.

Signed-off-by: Jens Reidel <[email protected]>
When writing something like the expression `|_: ...| {}`, we now detect the `...` during parsing explicitly instead of relying on the detection in `parse_ty_common` so that we don't talk about "nested `...` are not supported".

```
error: unexpected `...`
  --> $DIR/no-closure.rs:6:35
   |
LL | const F: extern "C" fn(...) = |_: ...| {};
   |                                   ^^^
   |
   = note: only `extern "C"` and `extern "C-unwind"` functions may have a C variable argument list
```
update Readme

add info about githooks and bootstrap.toml

add info about config and remove linting specific files

add link to rustc-dev-guide
@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Sep 17, 2025
@bors bors merged commit 2ebb126 into rust-lang:master Sep 17, 2025
12 checks passed
@rustbot rustbot added this to the 1.92.0 milestone Sep 17, 2025
@Zalathar Zalathar deleted the rollup-m2b8low branch September 17, 2025 10:45
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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 ba4b643 (parent) -> 2ebb126 (this PR)

Test differences

Show 533 test diffs

Stage 0

  • errors::verify_parse_asm_expected_register_class_or_explicit_register_188: [missing] -> pass (J0)
  • errors::verify_parse_asm_non_abi_185: pass -> [missing] (J0)
  • errors::verify_parse_asm_underscore_input_180: pass -> [missing] (J0)
  • errors::verify_parse_bad_assoc_type_bounds_144: pass -> [missing] (J0)
  • errors::verify_parse_binder_and_polarity_177: pass -> [missing] (J0)
  • errors::verify_parse_binder_before_modifiers_177: [missing] -> pass (J0)
  • errors::verify_parse_dot_dot_range_attribute_175: pass -> [missing] (J0)
  • errors::verify_parse_dotdotdot_rest_type_142: [missing] -> pass (J0)
  • errors::verify_parse_expect_label_found_ident_153: [missing] -> pass (J0)
  • errors::verify_parse_expr_rarrow_call_175: [missing] -> pass (J0)
  • errors::verify_parse_invalid_dyn_keyword_142: pass -> [missing] (J0)
  • errors::verify_parse_invalid_dyn_keyword_143: [missing] -> pass (J0)
  • errors::verify_parse_invalid_offset_of_173: [missing] -> pass (J0)
  • errors::verify_parse_lifetime_in_eq_constraint_149: pass -> [missing] (J0)
  • errors::verify_parse_macro_rules_missing_bang_157: pass -> [missing] (J0)
  • errors::verify_parse_macro_rules_visibility_160: [missing] -> pass (J0)
  • errors::verify_parse_malformed_cfg_attr_166: pass -> [missing] (J0)
  • errors::verify_parse_malformed_cfg_attr_167: [missing] -> pass (J0)
  • errors::verify_parse_missing_plus_in_bounds_164: pass -> [missing] (J0)
  • errors::verify_parse_missing_plus_in_bounds_165: [missing] -> pass (J0)
  • errors::verify_parse_modifier_lifetime_151: [missing] -> pass (J0)
  • errors::verify_parse_modifiers_and_polarity_179: [missing] -> pass (J0)
  • errors::verify_parse_recover_import_as_use_155: [missing] -> pass (J0)
  • errors::verify_parse_single_colon_import_path_155: pass -> [missing] (J0)
  • session_diagnostics::verify_attr_parsing_empty_attribute_39: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_import_name_type_raw_63: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_import_name_type_x86_55: pass -> [missing] (J0)
  • session_diagnostics::verify_attr_parsing_invalid_link_modifier_53: pass -> [missing] (J0)
  • session_diagnostics::verify_attr_parsing_invalid_target_41: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_link_framework_apple_48: pass -> [missing] (J0)
  • session_diagnostics::verify_attr_parsing_link_framework_apple_52: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_link_ordinal_out_of_range_47: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_naked_functions_incompatible_attribute_46: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_null_on_objc_selector_34: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_objc_selector_expected_string_literal_36: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_raw_dylib_only_windows_56: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_suffixed_literal_in_attribute_45: pass -> [missing] (J0)
  • session_diagnostics::verify_attr_parsing_suffixed_literal_in_attribute_49: [missing] -> pass (J0)
  • session_diagnostics::verify_attr_parsing_unrecognized_repr_hint_40: pass -> [missing] (J0)
  • session_diagnostics::verify_attr_parsing_unrecognized_repr_hint_44: [missing] -> pass (J0)

Stage 1

  • [assembly] tests/assembly-llvm/x86_64-cmp.rs#DEBUG: [missing] -> pass (J0)
  • [assembly] tests/assembly-llvm/x86_64-cmp.rs#LLVM-20-DEBUG: pass -> [missing] (J0)
  • [codegen] tests/codegen-llvm/darwin-no-objc.rs#aarch64_ios: [missing] -> pass (J0)
  • [codegen] tests/codegen-llvm/darwin-no-objc.rs#i386_ios: [missing] -> pass (J0)
  • [codegen] tests/codegen-llvm/darwin-no-objc.rs#x86_64_ios: [missing] -> pass (J0)
  • [codegen] tests/codegen-llvm/darwin-objc-abi-v2.rs#i386_ios: [missing] -> pass (J0)
  • [codegen] tests/codegen-llvm/integer-cmp.rs#llvm-pre-20: ignore (ignored when the LLVM version (20.1.2) is newer than majorversion 19) -> [missing] (J0)
  • [codegen] tests/codegen-llvm/try_question_mark_nop.rs#TWENTY: pass -> [missing] (J0)
  • [mir-opt] tests/mir-opt/dataflow-const-prop/slice_len.rs: [missing] -> pass (J0)
  • [mir-opt] tests/mir-opt/instsimplify/combine_array_len.rs: [missing] -> pass (J0)
  • [ui] tests/ui/abi/sparcv8plus-llvm19.rs#sparc_feature_v8plus: ignore (ignored when the actual LLVM major version is 20, but the test only targets major version 19) -> [missing] (J0)
  • [ui] tests/ui/borrowck/format-args-temporary-scopes.rs#e2024: [missing] -> pass (J0)
  • [ui] tests/ui/darwin-objc/darwin-objc-bad-arg.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J0)
  • [ui] tests/ui/darwin-objc/darwin-objc-bad-ref.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J0)
  • [ui] tests/ui/type-inference/has_sigdrop.rs: [missing] -> pass (J0)
  • errors::verify_parse_asm_expected_string_literal_187: [missing] -> pass (J1)
  • errors::verify_parse_asm_requires_template_182: pass -> [missing] (J1)
  • errors::verify_parse_asm_sym_no_path_182: [missing] -> pass (J1)
  • errors::verify_parse_asm_unsupported_operand_179: pass -> [missing] (J1)
  • errors::verify_parse_binder_and_polarity_177: pass -> [missing] (J1)
  • errors::verify_parse_dot_dot_range_attribute_175: pass -> [missing] (J1)
  • errors::verify_parse_dot_dot_range_attribute_176: [missing] -> pass (J1)
  • errors::verify_parse_missing_plus_in_bounds_165: [missing] -> pass (J1)
  • errors::verify_parse_modifier_lifetime_150: pass -> [missing] (J1)
  • errors::verify_parse_nested_adt_161: pass -> [missing] (J1)
  • errors::verify_parse_single_colon_import_path_155: pass -> [missing] (J1)
  • errors::verify_parse_static_with_generics_169: pass -> [missing] (J1)
  • errors::verify_parse_where_generics_148: [missing] -> pass (J1)
  • session_diagnostics::verify_attr_parsing_import_name_type_raw_59: pass -> [missing] (J1)
  • session_diagnostics::verify_attr_parsing_invalid_style_50: [missing] -> pass (J1)
  • session_diagnostics::verify_attr_parsing_invalid_target_37: pass -> [missing] (J1)
  • session_diagnostics::verify_attr_parsing_invalid_target_lint_36: pass -> [missing] (J1)
  • session_diagnostics::verify_attr_parsing_link_framework_apple_52: [missing] -> pass (J1)
  • session_diagnostics::verify_attr_parsing_link_requires_name_54: [missing] -> pass (J1)
  • session_diagnostics::verify_attr_parsing_null_on_objc_selector_34: [missing] -> pass (J1)
  • session_diagnostics::verify_attr_parsing_objc_selector_expected_string_literal_36: [missing] -> pass (J1)
  • session_diagnostics::verify_attr_parsing_unstable_feature_bound_incompatible_stability_45: [missing] -> pass (J1)

Stage 2

  • [codegen] tests/codegen-llvm/darwin-no-objc.rs#x86_64_ios: [missing] -> pass (J2)
  • [codegen] tests/codegen-llvm/darwin-objc-abi-v2.rs#aarch64_ios: [missing] -> pass (J2)
  • [codegen] tests/codegen-llvm/darwin-objc-abi-v2.rs#armv7s_ios: [missing] -> pass (J2)
  • [mir-opt] tests/mir-opt/building/coroutine.rs: [missing] -> pass (J2)
  • [ui] tests/ui/darwin-objc/darwin-objc-bad-arg.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J3)
  • [ui] tests/ui/darwin-objc/darwin-objc-bad-const.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J3)
  • [ui] tests/ui/darwin-objc/darwin-objc-class-selector.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J3)
  • [ui] tests/ui/darwin-objc/darwin-objc-class.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J3)
  • [ui] tests/ui/darwin-objc/darwin-objc-selector.rs: [missing] -> ignore (only executed when the target vendor is Apple) (J3)
  • [ui] tests/ui/darwin-objc/darwin-objc-bad-const.rs: [missing] -> pass (J4)
  • [ui] tests/ui/darwin-objc/darwin-objc-bad-ref.rs: [missing] -> pass (J4)
  • [ui] tests/ui/darwin-objc/darwin-objc-class.rs: [missing] -> pass (J4)
  • [assembly] tests/assembly-llvm/x86_64-cmp.rs#DEBUG: [missing] -> ignore (only executed when the architecture is x86_64) (J5)
  • [codegen] tests/codegen-llvm/try_question_mark_nop.rs#TWENTY: ignore (only executed when the architecture is x86_64) -> [missing] (J5)
  • [assembly] tests/assembly-llvm/x86_64-cmp.rs#LLVM-PRE-20-DEBUG: ignore (ignored when the LLVM version (21.1.1) is newer than majorversion 19) -> [missing] (J6)
  • [assembly] tests/assembly-llvm/x86_64-cmp.rs#OPTIM: [missing] -> pass (J7)
  • [codegen] tests/codegen-llvm/try_question_mark_nop.rs#TWENTY: pass -> [missing] (J7)
  • [codegen] tests/codegen-llvm/integer-cmp.rs#llvm-pre-20: ignore (ignored when the LLVM version (21.1.1) is newer than majorversion 19) -> [missing] (J8)
  • [assembly] tests/assembly-llvm/x86_64-cmp.rs#LLVM-PRE-20-OPTIM: ignore (ignored when the LLVM version (20.1.2) is newer than majorversion 19) -> [missing] (J9)
  • [ui] tests/ui/abi/sparcv8plus-llvm19.rs#sparc_feature_v8plus: ignore (ignored when the actual LLVM major version is 20, but the test only targets major version 19) -> [missing] (J9)
  • [codegen] tests/codegen-llvm/darwin-objc-cross-crate.rs#aarch64_macos: [missing] -> ignore (only executed when the target is aarch64-apple-darwin) (J10)
  • [ui] tests/ui/abi/sparcv8plus-llvm19.rs#sparc_cpu_v9: ignore (ignored when the actual LLVM major version is 21, but the test only targets major version 19) -> [missing] (J11)
  • [ui] tests/ui/abi/sparcv8plus-llvm19.rs#sparcv8plus: ignore (ignored when the actual LLVM major version is 21, but the test only targets major version 19) -> [missing] (J11)

(and 341 additional test diffs)

Additionally, 92 doctest diffs were found. These are ignored, as they are noisy.

Job group index

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard 2ebb1263e3506412889410b567fa813ca3cb5c63 --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

  1. dist-aarch64-linux: 6440.2s -> 8554.9s (32.8%)
  2. x86_64-rust-for-linux: 2605.3s -> 3107.5s (19.3%)
  3. dist-i686-mingw: 8404.1s -> 9748.0s (16.0%)
  4. pr-check-1: 1349.6s -> 1537.1s (13.9%)
  5. dist-x86_64-apple: 8115.1s -> 7041.5s (-13.2%)
  6. aarch64-apple: 4921.9s -> 5511.1s (12.0%)
  7. dist-aarch64-apple: 7403.5s -> 6558.5s (-11.4%)
  8. x86_64-gnu-llvm-20-1: 3344.0s -> 3720.3s (11.3%)
  9. dist-armhf-linux: 5562.8s -> 5054.4s (-9.1%)
  10. x86_64-gnu-llvm-20-3: 6649.5s -> 6181.3s (-7.0%)
How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

@rust-timer
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📌 Perf builds for each rolled up PR:

PR# Message Perf Build Sha
#142807 libtest: expose --fail-fast as an unstable command-line opt… f883d6df9a77b2ca4c09a2010e874c9f73c270b7 (link)
#144871 Stabilize btree_entry_insert feature 91510432a6a56495fe6c0c086c5bc18ee1fc4d11 (link)
#145071 Update the minimum external LLVM to 20 4be5f4b634a1fb9d30041059d3bbb3e34cae4fbc (link)
#145181 remove FIXME block from has_significant_drop, it never en… 2f3caee781967e7d45cb435ce1991733132bd956 (link)
#145660 initial implementation of the darwin_objc unstable feature c94adf869ed7c7bf8f1b9f756a505581c955ede3 (link)
#145838 don't apply temporary lifetime extension rules to non-exten… 90d7e44206c7890423edffa881938b1409e8d3e6 (link)
#146259 Suggest removing Box::new instead of unboxing it 9fddfc4316ad44dcd7b3246e00dd927afff58e2d (link)
#146410 Iterator repeat: no infinite loop for last and count 6bca88312a2a39337cb179249f5a593bffae59d1 (link)
#146460 Add tidy readme 8596886860b6dd11b8ad96d93b1d8cf52db2a8af (link)
#146552 StateTransform: Do not renumber resume local. a8dcb8b45015b20e896fcb5f7ef2e7050f0621ab (link)
#146564 Remove Rvalue::Len again. cd9fb549f50fcde5935e2e89087a3aac23510a7d (link)
#146581 Detect attempt to use var-args in closure 58af153378bfc5c6ce0e8fd3a84bd2967fc1eef9 (link)
#146588 tests/run-make: Update list of statically linked musl targe… 1c8fe021998663617e6bf7d7aef452373bb9e563 (link)
#146631 cg_llvm: Replace some DIBuilder wrappers with LLVM-C API bi… d406a8993d8ec43dd1e314f2b5e99b06f18e2171 (link)

previous master: ba4b6437b3

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

@rust-timer
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Finished benchmarking commit (2ebb126): comparison URL.

Overall result: ❌✅ regressions and improvements - no action needed

@rustbot label: -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

mean range count
Regressions ❌
(primary)
- - 0
Regressions ❌
(secondary)
0.1% [0.1%, 0.1%] 1
Improvements ✅
(primary)
- - 0
Improvements ✅
(secondary)
-0.2% [-0.2%, -0.2%] 1
All ❌✅ (primary) - - 0

Max RSS (memory usage)

Results (primary -1.2%, secondary -1.7%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)
2.5% [0.8%, 4.2%] 2
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-3.0% [-4.8%, -1.3%] 4
Improvements ✅
(secondary)
-1.7% [-2.2%, -1.2%] 4
All ❌✅ (primary) -1.2% [-4.8%, 4.2%] 6

Cycles

Results (primary -2.2%, secondary -2.4%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)
- - 0
Regressions ❌
(secondary)
- - 0
Improvements ✅
(primary)
-2.2% [-2.2%, -2.2%] 1
Improvements ✅
(secondary)
-2.4% [-3.8%, -1.7%] 4
All ❌✅ (primary) -2.2% [-2.2%, -2.2%] 1

Binary size

Results (primary 0.1%, secondary 0.3%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

mean range count
Regressions ❌
(primary)
0.1% [0.0%, 0.2%] 101
Regressions ❌
(secondary)
0.3% [0.0%, 1.9%] 58
Improvements ✅
(primary)
-0.1% [-0.3%, -0.0%] 5
Improvements ✅
(secondary)
-0.1% [-0.1%, -0.0%] 5
All ❌✅ (primary) 0.1% [-0.3%, 0.2%] 106

Bootstrap: 472.311s -> 472.767s (0.10%)
Artifact size: 390.62 MiB -> 390.62 MiB (-0.00%)

@klensy
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klensy commented Sep 17, 2025

Binary size small regression?

makai410 pushed a commit to makai410/rust that referenced this pull request Nov 8, 2025
Rollup of 14 pull requests

Successful merges:

 - rust-lang#142807 (libtest: expose --fail-fast as an unstable command-line option)
 - rust-lang#144871 (Stabilize `btree_entry_insert` feature)
 - rust-lang#145071 (Update the minimum external LLVM to 20)
 - rust-lang#145181 (remove FIXME block from `has_significant_drop`, it never encounters inference variables)
 - rust-lang#145660 (initial implementation of the darwin_objc unstable feature)
 - rust-lang#145838 (don't apply temporary lifetime extension rules to non-extended `super let`)
 - rust-lang#146259 (Suggest removing Box::new instead of unboxing it)
 - rust-lang#146410 (Iterator repeat: no infinite loop for `last` and `count`)
 - rust-lang#146460 (Add tidy readme)
 - rust-lang#146552 (StateTransform: Do not renumber resume local.)
 - rust-lang#146564 (Remove Rvalue::Len again.)
 - rust-lang#146581 (Detect attempt to use var-args in closure)
 - rust-lang#146588 (tests/run-make: Update list of statically linked musl targets)
 - rust-lang#146631 (cg_llvm: Replace some DIBuilder wrappers with LLVM-C API bindings (part 3))

r? `@ghost`
`@rustbot` modify labels: rollup
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A-attributes Area: Attributes (`#[…]`, `#![…]`) A-CI Area: Our Github Actions CI A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-run-make Area: port run-make Makefiles to rmake.rs A-rustc-dev-guide Area: rustc-dev-guide A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool merged-by-bors This PR was explicitly merged by bors. O-apple Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS) rollup A PR which is a rollup S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-clippy Relevant to the Clippy team. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.

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