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Jacob Pratt 1e6df58e77 Rollup merge of #140794 - karolzwolak:allow-unused-doc-65464, r=davidtwco 
mention lint group in default level lint note

### Summary

This PR updates lint diagnostics so that default-level notes now mention the lint group they belong to, if any.
Fixes: rust-lang/rust#65464.

### Example

```rust
fn main() {
    let x = 5;
}
```

Before:

```
= note: `#[warn(unused_variables)]` on by default
```

After:

```
= note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
```

### Unchanged Cases

Messages remain the same when the lint level is explicitly set, e.g.:

* Attribute on the lint `#[warn(unused_variables)]`:

  ```
  note: the lint level is defined here
  LL | #[warn(unused_variables)]
     |        ^^^^^^^^^^^^^^^^
  ```
* Attribute on the group `#[warn(unused)]:`:

  ```
  = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
  ```
* CLI option `-W unused`:

  ```
  = note: `-W unused-variables` implied by `-W unused`
  = help: to override `-W unused` add `#[allow(unused_variables)]`
  ```
* CLI option `-W unused-variables`:

  ```
  = note: requested on the command line with `-W unused-variables`
  ```
2025-08-20 00:45:53 -04:00
..
auxiliary
Add regression test for a former ICE involving helper attributes containing interpolated tokens
2025-08-14 03:39:32 +02:00
export
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
inline
Update uitests
2025-08-14 18:18:42 +02:00
main-removed-2
Update tests to use new proc-macro header
2024-11-27 07:18:25 -08:00
no_link
Move some tests out of tests/ui
2025-05-03 17:22:52 +02:00
positions
Update uitests
2025-08-14 18:18:42 +02:00
unsafe
Add more docs to templates for attrs with incorrect arguments
2025-08-11 17:02:32 +00:00
used
Move more tests/ui tests
2025-05-12 16:35:09 +02:00
z-crate-attr
Rollup merge of #138632 - clubby789:stabilize-cfg-boolean-lit, r=davidtwco,Urgau,traviscross
2025-04-17 06:25:15 +02:00
arg-error-issue-121425.rs
…
arg-error-issue-121425.stderr
add #[align] attribute
2025-06-18 12:37:08 +02:00
assoc-expr.rs
Overhaul token collection.
2024-08-16 09:07:55 +10:00
attr_unknown_custom_attr.rs
cleaned up some tests
2025-06-08 11:25:09 +05:00
attr_unknown_custom_attr.stderr
cleaned up some tests
2025-06-08 11:25:09 +05:00
attr-bad-crate-attr.rs
compiletest: Require //~ annotations even if error-pattern is specified
2025-04-03 11:08:55 +03:00
attr-bad-crate-attr.stderr
compiletest: Require //~ annotations even if error-pattern is specified
2025-04-03 11:08:55 +03:00
attr-before-view-item2.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
attr-before-view-item.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
attr-eq-token-tree.rs
…
attr-eq-token-tree.stderr
…
attr-mix-new.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
attr-shebang.rs
Adjust tests/ui/attr-shebang.rs
2024-12-17 19:22:21 +08:00
attrs-on-params.rs
Update uitests
2025-08-14 18:18:42 +02:00
attrs-on-params.stderr
Update uitests
2025-08-14 18:18:42 +02:00
attrs-with-no-formal-in-generics-1.rs
…
attrs-with-no-formal-in-generics-1.stderr
…
attrs-with-no-formal-in-generics-2.rs
…
attrs-with-no-formal-in-generics-2.stderr
…
attrs-with-no-formal-in-generics-3.rs
…
attrs-with-no-formal-in-generics-3.stderr
…
builtin-attribute-prefix.rs
Fix ICE for parsed attributes with longer path not handled by CheckAttrVisitor
2025-07-11 17:02:57 +02:00
builtin-attribute-prefix.stderr
Fix ICE for parsed attributes with longer path not handled by CheckAttrVisitor
2025-07-11 17:02:57 +02:00
check-builtin-attr-ice.rs
Changes to the tests for the #[should_panic] port
2025-08-06 21:38:00 +02:00
check-builtin-attr-ice.stderr
Changes to the tests for the #[should_panic] port
2025-08-06 21:38:00 +02:00
check-cfg_attr-ice.rs
tests: add regression test to make sure cfg_attr isn't considered unhandled
2024-08-06 06:12:10 +00:00
check-cfg_attr-ice.stderr
Reword "crate not found" resolve message
2025-01-24 01:19:50 +00:00
class-attributes-1.rs
…
class-attributes-2.rs
…
cold-attribute-application-54044.rs
Update uitests
2025-08-14 18:18:42 +02:00
cold-attribute-application-54044.stderr
Update uitests
2025-08-14 18:18:42 +02:00
collapse-debuginfo-invalid.rs
Implement #[define_opaque] attribute for functions.
2025-03-11 12:05:02 +00:00
collapse-debuginfo-invalid.stderr
Implement #[define_opaque] attribute for functions.
2025-03-11 12:05:02 +00:00
const-stability-on-macro.rs
…
const-stability-on-macro.stderr
…
crate-name-attr-validation.rs
cleaned up some tests
2025-06-08 01:14:05 +05:00
crate-name-empty.rs
Add a test with an empty crate name.
2025-03-25 16:14:27 +11:00
crate-name-empty.stderr
Add a test with an empty crate name.
2025-03-25 16:14:27 +11:00
crate-name-macro-call.rs
Reject macro calls inside of #![crate_name]
2025-02-15 16:47:30 +01:00
crate-name-macro-call.stderr
Add link to docs on malformed attributes
2025-08-11 16:00:49 +00:00
crate-name-mismatch.rs
cleaned up some tests
2025-06-08 11:25:09 +05:00
crate-name-mismatch.stderr
cleaned up some tests
2025-06-08 11:25:09 +05:00
crate-type-delimited.rs
Move #![crate_type] UI tests into attributes directory
2025-02-15 03:41:07 +01:00
crate-type-delimited.stderr
Add link to docs on malformed attributes
2025-08-11 16:00:49 +00:00
crate-type-empty.rs
Move #![crate_type] UI tests into attributes directory
2025-02-15 03:41:07 +01:00
crate-type-empty.stderr
Add link to docs on malformed attributes
2025-08-11 16:00:49 +00:00
crate-type-macro-call.rs
Move #![crate_type] UI tests into attributes directory
2025-02-15 03:41:07 +01:00
crate-type-macro-call.stderr
Add link to docs on malformed attributes
2025-08-11 16:00:49 +00:00
crate-type-macro-empty.rs
Rewrite macro_rules! parser to not use the MBE engine itself
2025-06-26 15:20:42 -07:00
crate-type-macro-empty.stderr
Rewrite macro_rules! parser to not use the MBE engine itself
2025-06-26 15:20:42 -07:00
crate-type-macro-not-crate.rs
fix #137589
2025-02-25 18:17:32 +01:00
crate-type-macro-not-crate.stderr
fix #137589
2025-02-25 18:17:32 +01:00
crate-type-macro-not-found.rs
fix #137589
2025-02-25 18:17:32 +01:00
crate-type-macro-not-found.stderr
fix #137589
2025-02-25 18:17:32 +01:00
custom_attr_multisegment_error.rs
cleaned up some tests
2025-06-08 11:25:09 +05:00
custom_attr_multisegment_error.stderr
cleaned up some tests
2025-06-08 11:25:09 +05:00
decl_macro_ty_in_attr_macro.rs
add test to reproduce #137662 (using ty decl macro fragment in an attr) and fix it
2025-02-28 09:43:46 +01:00
doc-attr.rs
…
doc-attr.stderr
…
doc-test-literal.rs
…
doc-test-literal.stderr
…
dont-dup-expr-attrs.rs
Fix problem causing rusqlite compilation to OOM.
2025-04-02 06:21:18 +11:00
dump_def_parents.rs
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
dump_def_parents.stderr
Filter empty lines, comments and delimiters from previous to last multiline span rendering
2024-12-12 23:36:27 +00:00
dump-preds.rs
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
dump-preds.stderr
trait_sel: skip elaboration of sizedness supertrait
2025-06-16 23:04:36 +00:00
duplicated-attributes.rs
…
duplicated-attributes.stderr
…
empty-repr.rs
Update uitests
2025-08-14 18:18:42 +02:00
empty-repr.stderr
Update uitests
2025-08-14 18:18:42 +02:00
expected-word.rs
expected word diagnostic test
2025-06-20 15:06:29 +02:00
expected-word.stderr
expected word diagnostic test
2025-06-20 15:06:29 +02:00
extented-attribute-macro-error.rs
Remove the -test suffix from normalize directives
2024-12-27 19:58:16 +11:00
extented-attribute-macro-error.stderr
Do not suggest using -Zmacro-backtrace for builtin macros
2025-03-14 19:50:03 +00:00
field-attributes-vis-unresolved.rs
…
field-attributes-vis-unresolved.stderr
Reword "crate not found" resolve message
2025-01-24 01:19:50 +00:00
fn-align-dyn.rs
Mitigate #[align] name resolution ambiguity regression with a rename
2025-07-19 01:42:30 +08:00
fn-align-nameres-ambiguity-143834.rs
Mitigate #[align] name resolution ambiguity regression with a rename
2025-07-19 01:42:30 +08:00
helper-attr-interpolated-non-lit-arg.rs
Add regression test for a former ICE involving helper attributes containing interpolated tokens
2025-08-14 03:39:32 +02:00
illegal-macro-use.rs
allow macro_use as first segment
2025-06-02 16:30:21 +08:00
illegal-macro-use.stderr
allow macro_use as first segment
2025-06-02 16:30:21 +08:00
inline-attribute-enum-variant-error.rs
Update uitests
2025-08-14 18:18:42 +02:00
inline-attribute-enum-variant-error.stderr
Update uitests
2025-08-14 18:18:42 +02:00
inline-main.rs
cleaned up some tests
2025-06-28 16:24:17 +05:00
inner-attr-metavar.rs
Fix a problem with metavars and inner attributes.
2025-04-02 06:21:18 +11:00
inner-attrs-impl-cfg.rs
cleaned up some tests
2025-06-29 15:37:33 +05:00
invalid_macro_export_argument.deny.stderr
Replace infallible name_or_empty methods with fallible name methods.
2025-04-17 09:50:52 +10:00
invalid_macro_export_argument.rs
Replace infallible name_or_empty methods with fallible name methods.
2025-04-17 09:50:52 +10:00
invalid-attributes-on-const-params-78957.rs
Rehome tests/ui/issues/ tests [5/?]
2025-08-17 13:01:02 -04:00
invalid-attributes-on-const-params-78957.stderr
Rehome tests/ui/issues/ tests [5/?]
2025-08-17 13:01:02 -04:00
invalid-macro-use.rs
Add more docs to templates for attrs with incorrect arguments
2025-08-11 17:02:32 +00:00
invalid-macro-use.stderr
Add more docs to templates for attrs with incorrect arguments
2025-08-11 17:02:32 +00:00
invalid-repr.rs
add #[align] attribute
2025-06-18 12:37:08 +02:00
invalid-repr.stderr
add #[align] attribute
2025-06-18 12:37:08 +02:00
invalid-reprs.rs
check if merged attributes list is empty
2025-04-05 06:09:14 +09:00
invalid-reprs.stderr
Add link to invalid repr error
2025-08-11 16:00:49 +00:00
issue-40962.rs
…
issue-90873.rs
UI tests: add missing diagnostic kinds where possible
2025-04-08 23:06:31 +03:00
issue-90873.stderr
Make parse error suggestions verbose and fix spans
2024-07-12 03:02:57 +00:00
issue-100631.rs
…
issue-100631.stderr
Fix test output expectations
2025-02-24 14:31:19 +01:00
issue-105594-invalid-attr-validation.rs
Update uitests
2025-08-14 18:18:42 +02:00
issue-105594-invalid-attr-validation.stderr
Update uitests
2025-08-14 18:18:42 +02:00
issue-115264-expr-field.rs
…
issue-115264-pat-field.rs
…
item-attributes.rs
…
key-value-expansion-on-mac.rs
…
key-value-expansion-on-mac.stderr
…
key-value-expansion-scope-pass.rs
…
key-value-expansion-scope.rs
Mark all deprecation lints in name resolution as deny-by-default and report-in-deps
2025-08-05 15:28:49 +03:00
key-value-expansion-scope.stderr
bless tests with new lint messages
2025-08-19 21:27:10 +02:00
key-value-expansion.rs
Update tests.
2025-01-07 16:04:14 +01:00
key-value-expansion.stderr
…
key-value-non-ascii.rs
…
key-value-non-ascii.stderr
Show diff suggestion format on verbose replacement
2025-02-10 20:21:39 +00:00
linkage.rs
Update uitests
2025-08-14 18:18:42 +02:00
linkage.stderr
Update uitests
2025-08-14 18:18:42 +02:00
lint_on_root.rs
take attr style into account in attr diagnostics
2025-08-16 10:51:09 +02:00
lint_on_root.stderr
bless tests with new lint messages
2025-08-19 21:27:10 +02:00
log-backtrace.rs
…
macro_export_on_decl_macro.rs
…
macro_export_on_decl_macro.stderr
…
main-removed-1.rs
…
main-removed-1.stderr
…
malformed-attrs.rs
Remove the no_sanitize attribute in favor of sanitize
2025-08-18 08:45:28 +00:00
malformed-attrs.stderr
bless tests with new lint messages
2025-08-19 21:27:10 +02:00
malformed-fn-align.rs
Update uitests
2025-08-14 18:18:42 +02:00
malformed-fn-align.stderr
Update uitests
2025-08-14 18:18:42 +02:00
malformed-must_use.rs
Port #[must_use] to new attribute parsing infrastructure
2025-06-22 14:51:58 +02:00
malformed-must_use.stderr
Port #[must_use] to new attribute parsing infrastructure
2025-06-22 14:51:58 +02:00
malformed-reprs.rs
Regression tests for repr ICEs
2025-07-06 22:07:09 +02:00
malformed-reprs.stderr
take attr style into account in attr diagnostics
2025-08-16 10:51:09 +02:00
may_dangle.rs
Check that #[may_dangle] is properly applied
2024-08-18 20:32:00 +03:00
may_dangle.stderr
Check that #[may_dangle] is properly applied
2024-08-18 20:32:00 +03:00
method-attributes.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00
mixed_export_name_and_no_mangle_2024.fixed
Move mixed export_name/no_mangle check to check_attr.rs and improve the error
2025-06-26 08:50:42 +02:00
mixed_export_name_and_no_mangle_2024.rs
Move mixed export_name/no_mangle check to check_attr.rs and improve the error
2025-06-26 08:50:42 +02:00
mixed_export_name_and_no_mangle_2024.stderr
Move mixed export_name/no_mangle check to check_attr.rs and improve the error
2025-06-26 08:50:42 +02:00
mixed_export_name_and_no_mangle.fixed
Move mixed export_name/no_mangle check to check_attr.rs and improve the error
2025-06-26 08:50:42 +02:00
mixed_export_name_and_no_mangle.rs
Move mixed export_name/no_mangle check to check_attr.rs and improve the error
2025-06-26 08:50:42 +02:00
mixed_export_name_and_no_mangle.stderr
Move mixed export_name/no_mangle check to check_attr.rs and improve the error
2025-06-26 08:50:42 +02:00
multiple-invalid.rs
Update uitests
2025-08-14 18:18:42 +02:00
multiple-invalid.stderr
Update uitests
2025-08-14 18:18:42 +02:00
no-mangle-closure.rs
…
no-mangle-closure.stderr
…
nonterminal-expansion.rs
Remove NtExpr and NtLiteral.
2025-04-02 06:20:35 +11:00
nonterminal-expansion.stderr
Remove NtExpr and NtLiteral.
2025-04-02 06:20:35 +11:00
obsolete-attr.rs
…
obsolete-attr.stderr
…
optimize.rs
Update uitests
2025-08-14 18:18:42 +02:00
optimize.stderr
Update uitests
2025-08-14 18:18:42 +02:00
outer-mod-attr-applies-only-to-first.rs
improves outer mod attribute test
2025-03-15 10:52:07 -06:00
reexport-test-harness-entry-point.rs
cleaned up some tests
2025-07-05 01:54:04 +05:00
repr-align-in-trait-issue-132391.rs
Fix test output expectations
2025-02-24 14:31:19 +01:00
repr-align-in-trait-issue-132391.stderr
Fix test output expectations
2025-02-24 14:31:19 +01:00
rustc_confusables_std_cases.rs
Add get_line confusable to Stdin::read_line()
2024-10-02 23:19:26 -05:00
rustc_confusables_std_cases.stderr
Use tcx.short_string() in more diagnostics
2025-08-07 21:18:00 +00:00
rustc_confusables.rs
Update uitests
2025-08-19 09:03:54 +02:00
rustc_confusables.stderr
Update uitests
2025-08-14 18:18:42 +02:00
rustc_pub_transparent.rs
New #[rustc_pub_transparent] attribute
2024-08-24 23:05:37 +03:00
rustc_pub_transparent.stderr
New #[rustc_pub_transparent] attribute
2024-08-24 23:05:37 +03:00
rustc_skip_during_method_dispatch.rs
Update uitests
2025-08-14 18:18:42 +02:00
rustc_skip_during_method_dispatch.stderr
Update uitests
2025-08-14 18:18:42 +02:00
statement-attribute-validation.rs
…
statement-attribute-validation.stderr
…
suffixed-literal-meta.rs
…
suffixed-literal-meta.stderr
…
tool_attributes.rs
…
unknown-attr.rs
…
unknown-attr.stderr
…
unnamed-field-attributes-dup.rs
…
unnamed-field-attributes-vis.rs
…
unnamed-field-attributes.rs
…
unrestricted-attribute-tokens.rs
…
unused-item-in-attr.rs
…
unused-item-in-attr.stderr
…
use-doc-alias-name.rs
collect doc alias as tips during resolution
2025-05-21 00:47:36 +08:00
use-doc-alias-name.stderr
collect doc alias as tips during resolution
2025-05-21 00:47:36 +08:00
use-extern-crate-named-macro-use.rs
allow macro_use as first segment
2025-06-02 16:30:21 +08:00
used_with_archive.rs
Make #[used] work when linking with ld64
2025-02-24 04:04:59 +01:00
used_with_archive.run.stdout
Make #[used] work when linking with ld64
2025-02-24 04:04:59 +01:00
used_with_arg_no_mangle.rs
…
used_with_arg.rs
Port #[used] to new attribute parsing infrastructure
2025-06-27 08:58:26 +02:00
used_with_arg.stderr
Port #[used] to new attribute parsing infrastructure
2025-06-27 08:58:26 +02:00
used_with_multi_args.rs
Port #[used] to new attribute parsing infrastructure
2025-06-27 08:58:26 +02:00
used_with_multi_args.stderr
Allow attr entries to declare list of alternatives for List and NamedValueStr
2025-08-11 16:00:49 +00:00
validation-on-associated-items-issue-121537.rs
…
validation-on-associated-items-issue-121537.stderr
…
variant-attributes.rs
tests: remove //@ pretty-expanded usages
2024-11-26 02:50:48 +08:00