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From 552d971ea849519a743457cc52a16f8d11e57539 Mon Sep 17 00:00:00 2001

From 1864bf6a510a7e9df23777591f3389b6feb27e90 Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>

Date: Sat, 18 Oct 2025 11:25:13 +0200

Subject: [PATCH 1/3] ICE when applying test to crate root

---

tests/crashes/114920.rs | 2 --

tests/ui/macros/test-on-crate-root.rs | 8 ++++++++

2 files changed, 8 insertions(+), 2 deletions(-)

delete mode 100644 tests/crashes/114920.rs

create mode 100644 tests/ui/macros/test-on-crate-root.rs

diff --git a/tests/crashes/114920.rs b/tests/crashes/114920.rs

deleted file mode 100644

index 9aa7598e10fc3..0000000000000

--- a/tests/crashes/114920.rs

+++ /dev/null

@@ -1,2 +0,0 @@

-//@ known-bug: #114920

-#![core::prelude::v1::test]

diff --git a/tests/ui/macros/test-on-crate-root.rs b/tests/ui/macros/test-on-crate-root.rs

new file mode 100644

index 0000000000000..80635a458902d

--- /dev/null

+++ b/tests/ui/macros/test-on-crate-root.rs

@@ -0,0 +1,8 @@

+// ICE when applying `#![test]` to the crate root,

+// though only when specified with a full path. `#![test]` is not enough.

+// Fixes #114920

+#![core::prelude::v1::test]

+fn main() {} // not important to reproduce the issue

From 00b0d26f447d7c62a05414267984f7086a6df5f5 Mon Sep 17 00:00:00 2001

From 9dd3caeebefbb36f90ea13e5ec4b37048067ca59 Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>

Date: Sat, 18 Oct 2025 12:10:21 +0200

Subject: [PATCH 2/3] only discard items with `#[test]` on it when target is

valid

---

compiler/rustc_builtin_macros/src/test.rs | 20 +-

.../ui/feature-gates/gating-of-test-attrs.rs | 48 +++

.../feature-gates/gating-of-test-attrs.stderr | 181 +++++++++++

.../issue-43106-gating-of-builtin-attrs.rs | 32 --

...issue-43106-gating-of-builtin-attrs.stderr | 304 +++++++++---------

tests/ui/macros/attr-empty-expr.rs | 11 -

tests/ui/macros/attr-empty-expr.stderr | 20 --

tests/ui/macros/issue-111749.rs | 4 +-

tests/ui/macros/issue-111749.stderr | 16 +-

tests/ui/macros/test-on-crate-root.rs | 3 +-

tests/ui/macros/test-on-crate-root.stderr | 25 ++

11 files changed, 431 insertions(+), 233 deletions(-)

create mode 100644 tests/ui/feature-gates/gating-of-test-attrs.rs

create mode 100644 tests/ui/feature-gates/gating-of-test-attrs.stderr

delete mode 100644 tests/ui/macros/attr-empty-expr.rs

delete mode 100644 tests/ui/macros/attr-empty-expr.stderr

create mode 100644 tests/ui/macros/test-on-crate-root.stderr

diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs

index 532539f893aed..8f6244e418fdb 100644

--- a/compiler/rustc_builtin_macros/src/test.rs

+++ b/compiler/rustc_builtin_macros/src/test.rs

@@ -34,10 +34,6 @@ pub(crate) fn expand_test_case(

check_builtin_macro_attribute(ecx, meta_item, sym::test_case);

warn_on_duplicate_attribute(ecx, &anno_item, sym::test_case);

- if !ecx.ecfg.should_test {

- return vec![];

- }

let sp = ecx.with_def_site_ctxt(attr_sp);

let (mut item, is_stmt) = match anno_item {

Annotatable::Item(item) => (item, false),

@@ -54,6 +50,10 @@ pub(crate) fn expand_test_case(

}

};

+ if !ecx.ecfg.should_test {

+ return vec![];

+ }

// `#[test_case]` is valid on functions, consts, and statics. Only modify

// the item in those cases.

match &mut item.kind {

@@ -113,11 +113,6 @@ pub(crate) fn expand_test_or_bench(

item: Annotatable,

is_bench: bool,

) -> Vec<Annotatable> {

- // If we're not in test configuration, remove the annotated item

- if !cx.ecfg.should_test {

- return vec![];

- }

let (item, is_stmt) = match item {

Annotatable::Item(i) => (i, false),

Annotatable::Stmt(box ast::Stmt { kind: ast::StmtKind::Item(i), .. }) => (i, true),

@@ -136,6 +131,11 @@ pub(crate) fn expand_test_or_bench(

};

已保存差異

原始文本

開啟檔案

From 552d971ea849519a743457cc52a16f8d11e57539 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>
Date: Sat, 18 Oct 2025 11:25:13 +0200
Subject: [PATCH 1/3] ICE when applying test to crate root

---
 tests/crashes/114920.rs               | 2 --
 tests/ui/macros/test-on-crate-root.rs | 8 ++++++++
 2 files changed, 8 insertions(+), 2 deletions(-)
 delete mode 100644 tests/crashes/114920.rs
 create mode 100644 tests/ui/macros/test-on-crate-root.rs

diff --git a/tests/crashes/114920.rs b/tests/crashes/114920.rs
deleted file mode 100644
index 9aa7598e10fc3..0000000000000
--- a/tests/crashes/114920.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-//@ known-bug: #114920
-#![core::prelude::v1::test]
diff --git a/tests/ui/macros/test-on-crate-root.rs b/tests/ui/macros/test-on-crate-root.rs
new file mode 100644
index 0000000000000..80635a458902d
--- /dev/null
+++ b/tests/ui/macros/test-on-crate-root.rs
@@ -0,0 +1,8 @@
+// ICE when applying `#![test]` to the crate root,
+// though only when specified with a full path. `#![test]` is not enough.
+// Fixes #114920
+#![core::prelude::v1::test]
+
+
+
+fn main() {} // not important to reproduce the issue

From 00b0d26f447d7c62a05414267984f7086a6df5f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>
Date: Sat, 18 Oct 2025 12:10:21 +0200
Subject: [PATCH 2/3] only discard items with `#[test]` on it when target is
 valid

---
 compiler/rustc_builtin_macros/src/test.rs     |  20 +-
 .../ui/feature-gates/gating-of-test-attrs.rs  |  48 +++
 .../feature-gates/gating-of-test-attrs.stderr | 181 +++++++++++
 .../issue-43106-gating-of-builtin-attrs.rs    |  32 --
 ...issue-43106-gating-of-builtin-attrs.stderr | 304 +++++++++---------
 tests/ui/macros/attr-empty-expr.rs            |  11 -
 tests/ui/macros/attr-empty-expr.stderr        |  20 --
 tests/ui/macros/issue-111749.rs               |   4 +-
 tests/ui/macros/issue-111749.stderr           |  16 +-
 tests/ui/macros/test-on-crate-root.rs         |   3 +-
 tests/ui/macros/test-on-crate-root.stderr     |  25 ++
 11 files changed, 431 insertions(+), 233 deletions(-)
 create mode 100644 tests/ui/feature-gates/gating-of-test-attrs.rs
 create mode 100644 tests/ui/feature-gates/gating-of-test-attrs.stderr
 delete mode 100644 tests/ui/macros/attr-empty-expr.rs
 delete mode 100644 tests/ui/macros/attr-empty-expr.stderr
 create mode 100644 tests/ui/macros/test-on-crate-root.stderr

diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs
index 532539f893aed..8f6244e418fdb 100644
--- a/compiler/rustc_builtin_macros/src/test.rs
+++ b/compiler/rustc_builtin_macros/src/test.rs
@@ -34,10 +34,6 @@ pub(crate) fn expand_test_case(
     check_builtin_macro_attribute(ecx, meta_item, sym::test_case);
     warn_on_duplicate_attribute(ecx, &anno_item, sym::test_case);
 
-    if !ecx.ecfg.should_test {
-        return vec![];
-    }
-
     let sp = ecx.with_def_site_ctxt(attr_sp);
     let (mut item, is_stmt) = match anno_item {
         Annotatable::Item(item) => (item, false),
@@ -54,6 +50,10 @@ pub(crate) fn expand_test_case(
         }
     };
 
+    if !ecx.ecfg.should_test {
+        return vec![];
+    }
+
     // `#[test_case]` is valid on functions, consts, and statics. Only modify
     // the item in those cases.
     match &mut item.kind {
@@ -113,11 +113,6 @@ pub(crate) fn expand_test_or_bench(
     item: Annotatable,
     is_bench: bool,
 ) -> Vec<Annotatable> {
-    // If we're not in test configuration, remove the annotated item
-    if !cx.ecfg.should_test {
-        return vec![];
-    }
-
     let (item, is_stmt) = match item {
         Annotatable::Item(i) => (i, false),
         Annotatable::Stmt(box ast::Stmt { kind: ast::StmtKind::Item(i), .. }) => (i, true),
@@ -136,6 +131,11 @@ pub(crate) fn expand_test_or_bench(
         };
     };
 
+    // If we're not in test configuration, remove the annotated item
+    if !cx.ecfg.should_test {
+        return vec![];
+    }
+
     if let Some(attr) = attr::find_by_name(&item.attrs, sym::naked) {
         cx.dcx().emit_err(errors::NakedFunctionTestingAttribute {
             testing_span: attr_sp,
@@ -407,7 +407,7 @@ pub(crate) fn expand_test_or_bench(
 
 fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>) {
     let dcx = cx.dcx();
-    let msg = "the `#[test]` attribute may only be used on a non-associated function";
+    let msg = "the `#[test]` attribute may only be used on a free function";
     let level = match item.map(|i| &i.kind) {
         // These were a warning before #92959 and need to continue being that to avoid breaking
         // stable user code (#94508).
diff --git a/tests/ui/feature-gates/gating-of-test-attrs.rs b/tests/ui/feature-gates/gating-of-test-attrs.rs
new file mode 100644
index 0000000000000..22b0454e17410
--- /dev/null
+++ b/tests/ui/feature-gates/gating-of-test-attrs.rs
@@ -0,0 +1,48 @@
+#![feature(test)]
+
+// test is a built-in macro, not a built-in attribute, but it kind of acts like both.
+// check its target checking anyway here
+#[test]
+//~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+mod test {
+    mod inner { #![test] }
+    //~^ ERROR inner macro attributes are unstable
+    //~| ERROR the `#[test]` attribute may only be used on a non-associated function
+
+    #[test]
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    struct S;
+
+    #[test]
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    type T = S;
+
+    #[test]
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    impl S { }
+}
+
+// At time of unit test authorship, if compiling without `--test` then
+// non-crate-level #[bench] attributes seem to be ignored.
+
+#[bench]
+//~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+mod bench {
+    mod inner { #![bench] }
+    //~^ ERROR inner macro attributes are unstable
+    //~| ERROR the `#[test]` attribute may only be used on a non-associated function
+
+    #[bench]
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    struct S;
+
+    #[bench]
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    type T = S;
+
+    #[bench]
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    impl S { }
+}
+
+fn main() {}
diff --git a/tests/ui/feature-gates/gating-of-test-attrs.stderr b/tests/ui/feature-gates/gating-of-test-attrs.stderr
new file mode 100644
index 0000000000000..339a68f5d5e48
--- /dev/null
+++ b/tests/ui/feature-gates/gating-of-test-attrs.stderr
@@ -0,0 +1,181 @@
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:5:1
+   |
+LL |   #[test]
+   |   ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL | / mod test {
+LL | |     mod inner { #![test] }
+...  |
+LL | |     impl S { }
+LL | | }
+   | |_- expected a non-associated function, found a module
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL - #[test]
+LL + #[cfg(test)]
+   |
+
+error[E0658]: inner macro attributes are unstable
+  --> $DIR/gating-of-test-attrs.rs:8:20
+   |
+LL |     mod inner { #![test] }
+   |                    ^^^^
+   |
+   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
+   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:8:17
+   |
+LL |     mod inner { #![test] }
+   |     ------------^^^^^^^^--
+   |     |           |
+   |     |           the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |     expected a non-associated function, found a module
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     mod inner { #![test] }
+LL +     mod inner { #[cfg(test)] }
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:12:5
+   |
+LL |     #[test]
+   |     ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL |     struct S;
+   |     --------- expected a non-associated function, found a struct
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     #[test]
+LL +     #[cfg(test)]
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:16:5
+   |
+LL |     #[test]
+   |     ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL |     type T = S;
+   |     ----------- expected a non-associated function, found a type alias
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     #[test]
+LL +     #[cfg(test)]
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:20:5
+   |
+LL |     #[test]
+   |     ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL |     impl S { }
+   |     ---------- expected a non-associated function, found an implementation
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     #[test]
+LL +     #[cfg(test)]
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:28:1
+   |
+LL |   #[bench]
+   |   ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL | / mod bench {
+LL | |     mod inner { #![bench] }
+...  |
+LL | |     impl S { }
+LL | | }
+   | |_- expected a non-associated function, found a module
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL - #[bench]
+LL + #[cfg(test)]
+   |
+
+error[E0658]: inner macro attributes are unstable
+  --> $DIR/gating-of-test-attrs.rs:31:20
+   |
+LL |     mod inner { #![bench] }
+   |                    ^^^^^
+   |
+   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
+   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:31:17
+   |
+LL |     mod inner { #![bench] }
+   |     ------------^^^^^^^^^--
+   |     |           |
+   |     |           the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |     expected a non-associated function, found a module
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     mod inner { #![bench] }
+LL +     mod inner { #[cfg(test)] }
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:35:5
+   |
+LL |     #[bench]
+   |     ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL |     struct S;
+   |     --------- expected a non-associated function, found a struct
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     #[bench]
+LL +     #[cfg(test)]
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:39:5
+   |
+LL |     #[bench]
+   |     ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL |     type T = S;
+   |     ----------- expected a non-associated function, found a type alias
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     #[bench]
+LL +     #[cfg(test)]
+   |
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/gating-of-test-attrs.rs:43:5
+   |
+LL |     #[bench]
+   |     ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+LL |
+LL |     impl S { }
+   |     ---------- expected a non-associated function, found an implementation
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     #[bench]
+LL +     #[cfg(test)]
+   |
+
+error: aborting due to 12 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
index 8d67bf37279df..5b32c5ca0dfa5 100644
--- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
+++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs
@@ -250,38 +250,6 @@ mod macro_export {
     //~| HELP remove the attribute
 }
 
-// At time of unit test authorship, if compiling without `--test` then
-// non-crate-level #[test] attributes seem to be ignored.
-
-#[test]
-mod test { mod inner { #![test] }
-
-    fn f() { }
-
-    struct S;
-
-    type T = S;
-
-    impl S { }
-}
-
-// At time of unit test authorship, if compiling without `--test` then
-// non-crate-level #[bench] attributes seem to be ignored.
-
-#[bench]
-mod bench {
-    mod inner { #![bench] }
-
-    #[bench]
-    struct S;
-
-    #[bench]
-    type T = S;
-
-    #[bench]
-    impl S { }
-}
-
 #[path = "3800"]
 mod path {
     mod inner { #![path="3800"] }
diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
index f7e8d9c7c4001..d8b1dc91acc4f 100644
--- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
+++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr
@@ -1,5 +1,5 @@
 warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:529:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:497:17
    |
 LL |     mod inner { #![macro_escape] }
    |                 ^^^^^^^^^^^^^^^^
@@ -7,7 +7,7 @@ LL |     mod inner { #![macro_escape] }
    = help: try an outer attribute: `#[macro_use]`
 
 warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:526:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:494:1
    |
 LL | #[macro_escape]
    | ^^^^^^^^^^^^^^^
@@ -187,7 +187,7 @@ LL |     #[deny(x5100)] impl S { }
    |            ^^^^^
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:501:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:469:1
    |
 LL | #[reexport_test_harness_main = "2900"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -203,7 +203,7 @@ LL | #![reexport_test_harness_main = "2900"]
    |  +
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:739:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:707:1
    |
 LL |   #[link(name = "x")]
    |   ^^^^^^^^^^^^^^^^^^^
@@ -219,7 +219,7 @@ LL | | }
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:865:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:833:1
    |
 LL | #[crate_type = "0800"]
    | ^^^^^^^^^^^^^^^^^^^^^^
@@ -230,7 +230,7 @@ LL | #![crate_type = "0800"]
    |  +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:889:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:857:1
    |
 LL | #[feature(x0600)]
    | ^^^^^^^^^^^^^^^^^
@@ -241,7 +241,7 @@ LL | #![feature(x0600)]
    |  +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:914:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:882:1
    |
 LL | #[no_main]
    | ^^^^^^^^^^
@@ -252,7 +252,7 @@ LL | #![no_main]
    |  +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:938:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:906:1
    |
 LL | #[no_builtins]
    | ^^^^^^^^^^^^^^
@@ -279,13 +279,13 @@ LL | #![feature(rust1)]
    = note: `#[warn(stable_features)]` on by default
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:505:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:473:17
    |
 LL |     mod inner { #![reexport_test_harness_main="2900"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:508:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:476:5
    |
 LL |     #[reexport_test_harness_main = "2900"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -296,7 +296,7 @@ LL |     #![reexport_test_harness_main = "2900"] fn f() { }
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:512:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:480:5
    |
 LL |     #[reexport_test_harness_main = "2900"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -307,7 +307,7 @@ LL |     #![reexport_test_harness_main = "2900"] struct S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:516:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:484:5
    |
 LL |     #[reexport_test_harness_main = "2900"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -318,7 +318,7 @@ LL |     #![reexport_test_harness_main = "2900"] type T = S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:520:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:488:5
    |
 LL |     #[reexport_test_harness_main = "2900"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -329,7 +329,7 @@ LL |     #![reexport_test_harness_main = "2900"] impl S { }
    |      +
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:745:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:713:17
    |
 LL |     mod inner { #![link(name = "x")] }
    |     ------------^^^^^^^^^^^^^^^^^^^^-- not an `extern` block
@@ -337,7 +337,7 @@ LL |     mod inner { #![link(name = "x")] }
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:718:5
    |
 LL |     #[link(name = "x")] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^ ---------- not an `extern` block
@@ -345,7 +345,7 @@ LL |     #[link(name = "x")] fn f() { }
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:755:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:723:5
    |
 LL |     #[link(name = "x")] struct S;
    |     ^^^^^^^^^^^^^^^^^^^ --------- not an `extern` block
@@ -353,7 +353,7 @@ LL |     #[link(name = "x")] struct S;
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:760:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:728:5
    |
 LL |     #[link(name = "x")] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^ ----------- not an `extern` block
@@ -361,7 +361,7 @@ LL |     #[link(name = "x")] type T = S;
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:765:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:733:5
    |
 LL |     #[link(name = "x")] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^ ---------- not an `extern` block
@@ -369,7 +369,7 @@ LL |     #[link(name = "x")] impl S { }
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: attribute should be applied to an `extern` block with non-Rust ABI
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:770:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:738:5
    |
 LL |     #[link(name = "x")] extern "Rust" {}
    |     ^^^^^^^^^^^^^^^^^^^
@@ -377,13 +377,13 @@ LL |     #[link(name = "x")] extern "Rust" {}
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:869:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:837:17
    |
 LL |     mod inner { #![crate_type="0800"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:872:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:840:5
    |
 LL |     #[crate_type = "0800"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -394,7 +394,7 @@ LL |     #![crate_type = "0800"] fn f() { }
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:876:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:844:5
    |
 LL |     #[crate_type = "0800"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -405,7 +405,7 @@ LL |     #![crate_type = "0800"] struct S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:880:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:848:5
    |
 LL |     #[crate_type = "0800"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -416,7 +416,7 @@ LL |     #![crate_type = "0800"] type T = S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:884:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:852:5
    |
 LL |     #[crate_type = "0800"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -427,13 +427,13 @@ LL |     #![crate_type = "0800"] impl S { }
    |      +
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:893:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:861:17
    |
 LL |     mod inner { #![feature(x0600)] }
    |                 ^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:896:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:864:5
    |
 LL |     #[feature(x0600)] fn f() { }
    |     ^^^^^^^^^^^^^^^^^
@@ -444,7 +444,7 @@ LL |     #![feature(x0600)] fn f() { }
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:900:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:868:5
    |
 LL |     #[feature(x0600)] struct S;
    |     ^^^^^^^^^^^^^^^^^
@@ -455,7 +455,7 @@ LL |     #![feature(x0600)] struct S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:904:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:872:5
    |
 LL |     #[feature(x0600)] type T = S;
    |     ^^^^^^^^^^^^^^^^^
@@ -466,7 +466,7 @@ LL |     #![feature(x0600)] type T = S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:908:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:876:5
    |
 LL |     #[feature(x0600)] impl S { }
    |     ^^^^^^^^^^^^^^^^^
@@ -477,13 +477,13 @@ LL |     #![feature(x0600)] impl S { }
    |      +
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:918:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:886:17
    |
 LL |     mod inner { #![no_main] }
    |                 ^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:921:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:889:5
    |
 LL |     #[no_main] fn f() { }
    |     ^^^^^^^^^^
@@ -494,7 +494,7 @@ LL |     #![no_main] fn f() { }
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:925:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:893:5
    |
 LL |     #[no_main] struct S;
    |     ^^^^^^^^^^
@@ -505,7 +505,7 @@ LL |     #![no_main] struct S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:929:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:897:5
    |
 LL |     #[no_main] type T = S;
    |     ^^^^^^^^^^
@@ -516,7 +516,7 @@ LL |     #![no_main] type T = S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:933:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:901:5
    |
 LL |     #[no_main] impl S { }
    |     ^^^^^^^^^^
@@ -527,13 +527,13 @@ LL |     #![no_main] impl S { }
    |      +
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:942:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:910:17
    |
 LL |     mod inner { #![no_builtins] }
    |                 ^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:945:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:913:5
    |
 LL |     #[no_builtins] fn f() { }
    |     ^^^^^^^^^^^^^^
@@ -544,7 +544,7 @@ LL |     #![no_builtins] fn f() { }
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:949:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:917:5
    |
 LL |     #[no_builtins] struct S;
    |     ^^^^^^^^^^^^^^
@@ -555,7 +555,7 @@ LL |     #![no_builtins] struct S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:953:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:921:5
    |
 LL |     #[no_builtins] type T = S;
    |     ^^^^^^^^^^^^^^
@@ -566,7 +566,7 @@ LL |     #![no_builtins] type T = S;
    |      +
 
 warning: crate-level attribute should be an inner attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:957:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:925:5
    |
 LL |     #[no_builtins] impl S { }
    |     ^^^^^^^^^^^^^^
@@ -667,7 +667,7 @@ LL |     #[macro_export] impl S { }
    = help: `#[macro_export]` can only be applied to macro defs
 
 warning: `#[path]` attribute cannot be used on functions
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:289:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:257:5
    |
 LL |     #[path = "3800"] fn f() { }
    |     ^^^^^^^^^^^^^^^^
@@ -676,7 +676,7 @@ LL |     #[path = "3800"] fn f() { }
    = help: `#[path]` can only be applied to modules
 
 warning: `#[path]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:295:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:263:5
    |
 LL |     #[path = "3800"]  struct S;
    |     ^^^^^^^^^^^^^^^^
@@ -685,7 +685,7 @@ LL |     #[path = "3800"]  struct S;
    = help: `#[path]` can only be applied to modules
 
 warning: `#[path]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:301:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:269:5
    |
 LL |     #[path = "3800"] type T = S;
    |     ^^^^^^^^^^^^^^^^
@@ -694,7 +694,7 @@ LL |     #[path = "3800"] type T = S;
    = help: `#[path]` can only be applied to modules
 
 warning: `#[path]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:307:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:275:5
    |
 LL |     #[path = "3800"] impl S { }
    |     ^^^^^^^^^^^^^^^^
@@ -703,7 +703,7 @@ LL |     #[path = "3800"] impl S { }
    = help: `#[path]` can only be applied to modules
 
 warning: `#[automatically_derived]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:314:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:282:1
    |
 LL | #[automatically_derived]
    | ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -712,7 +712,7 @@ LL | #[automatically_derived]
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[automatically_derived]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:320:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:288:17
    |
 LL |     mod inner { #![automatically_derived] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -721,7 +721,7 @@ LL |     mod inner { #![automatically_derived] }
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[automatically_derived]` attribute cannot be used on functions
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:326:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:294:5
    |
 LL |     #[automatically_derived] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -730,7 +730,7 @@ LL |     #[automatically_derived] fn f() { }
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[automatically_derived]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:332:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:300:5
    |
 LL |     #[automatically_derived] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -739,7 +739,7 @@ LL |     #[automatically_derived] struct S;
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[automatically_derived]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:338:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:306:5
    |
 LL |     #[automatically_derived] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -748,7 +748,7 @@ LL |     #[automatically_derived] type T = S;
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[automatically_derived]` attribute cannot be used on traits
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:344:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:312:5
    |
 LL |     #[automatically_derived] trait W { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -757,7 +757,7 @@ LL |     #[automatically_derived] trait W { }
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[automatically_derived]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:350:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:318:5
    |
 LL |     #[automatically_derived] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -766,7 +766,7 @@ LL |     #[automatically_derived] impl S { }
    = help: `#[automatically_derived]` can only be applied to trait impl blocks
 
 warning: `#[no_mangle]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:359:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:327:1
    |
 LL | #[no_mangle]
    | ^^^^^^^^^^^^
@@ -775,7 +775,7 @@ LL | #[no_mangle]
    = help: `#[no_mangle]` can be applied to functions and statics
 
 warning: `#[no_mangle]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:365:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:333:17
    |
 LL |     mod inner { #![no_mangle] }
    |                 ^^^^^^^^^^^^^
@@ -784,7 +784,7 @@ LL |     mod inner { #![no_mangle] }
    = help: `#[no_mangle]` can be applied to functions and statics
 
 warning: `#[no_mangle]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:373:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:341:5
    |
 LL |     #[no_mangle] struct S;
    |     ^^^^^^^^^^^^
@@ -793,7 +793,7 @@ LL |     #[no_mangle] struct S;
    = help: `#[no_mangle]` can be applied to functions and statics
 
 warning: `#[no_mangle]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:379:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:347:5
    |
 LL |     #[no_mangle] type T = S;
    |     ^^^^^^^^^^^^
@@ -802,7 +802,7 @@ LL |     #[no_mangle] type T = S;
    = help: `#[no_mangle]` can be applied to functions and statics
 
 warning: `#[no_mangle]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:385:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:353:5
    |
 LL |     #[no_mangle] impl S { }
    |     ^^^^^^^^^^^^
@@ -811,7 +811,7 @@ LL |     #[no_mangle] impl S { }
    = help: `#[no_mangle]` can be applied to functions and statics
 
 warning: `#[no_mangle]` attribute cannot be used on required trait methods
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:392:9
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:360:9
    |
 LL |         #[no_mangle] fn foo();
    |         ^^^^^^^^^^^^
@@ -820,7 +820,7 @@ LL |         #[no_mangle] fn foo();
    = help: `#[no_mangle]` can be applied to functions, inherent methods, statics, and trait methods in impl blocks
 
 warning: `#[no_mangle]` attribute cannot be used on provided trait methods
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:398:9
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:366:9
    |
 LL |         #[no_mangle] fn bar() {}
    |         ^^^^^^^^^^^^
@@ -829,7 +829,7 @@ LL |         #[no_mangle] fn bar() {}
    = help: `#[no_mangle]` can be applied to functions, inherent methods, statics, and trait methods in impl blocks
 
 warning: `#[should_panic]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:406:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:374:1
    |
 LL | #[should_panic]
    | ^^^^^^^^^^^^^^^
@@ -838,7 +838,7 @@ LL | #[should_panic]
    = help: `#[should_panic]` can only be applied to functions
 
 warning: `#[should_panic]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:412:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:380:17
    |
 LL |     mod inner { #![should_panic] }
    |                 ^^^^^^^^^^^^^^^^
@@ -847,7 +847,7 @@ LL |     mod inner { #![should_panic] }
    = help: `#[should_panic]` can only be applied to functions
 
 warning: `#[should_panic]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:420:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:388:5
    |
 LL |     #[should_panic] struct S;
    |     ^^^^^^^^^^^^^^^
@@ -856,7 +856,7 @@ LL |     #[should_panic] struct S;
    = help: `#[should_panic]` can only be applied to functions
 
 warning: `#[should_panic]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:426:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:394:5
    |
 LL |     #[should_panic] type T = S;
    |     ^^^^^^^^^^^^^^^
@@ -865,7 +865,7 @@ LL |     #[should_panic] type T = S;
    = help: `#[should_panic]` can only be applied to functions
 
 warning: `#[should_panic]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:432:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:400:5
    |
 LL |     #[should_panic] impl S { }
    |     ^^^^^^^^^^^^^^^
@@ -874,7 +874,7 @@ LL |     #[should_panic] impl S { }
    = help: `#[should_panic]` can only be applied to functions
 
 warning: `#[ignore]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:439:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:407:1
    |
 LL | #[ignore]
    | ^^^^^^^^^
@@ -883,7 +883,7 @@ LL | #[ignore]
    = help: `#[ignore]` can only be applied to functions
 
 warning: `#[ignore]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:445:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:413:17
    |
 LL |     mod inner { #![ignore] }
    |                 ^^^^^^^^^^
@@ -892,7 +892,7 @@ LL |     mod inner { #![ignore] }
    = help: `#[ignore]` can only be applied to functions
 
 warning: `#[ignore]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:453:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:421:5
    |
 LL |     #[ignore] struct S;
    |     ^^^^^^^^^
@@ -901,7 +901,7 @@ LL |     #[ignore] struct S;
    = help: `#[ignore]` can only be applied to functions
 
 warning: `#[ignore]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:459:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:427:5
    |
 LL |     #[ignore] type T = S;
    |     ^^^^^^^^^
@@ -910,7 +910,7 @@ LL |     #[ignore] type T = S;
    = help: `#[ignore]` can only be applied to functions
 
 warning: `#[ignore]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:465:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:433:5
    |
 LL |     #[ignore] impl S { }
    |     ^^^^^^^^^
@@ -919,7 +919,7 @@ LL |     #[ignore] impl S { }
    = help: `#[ignore]` can only be applied to functions
 
 warning: `#[no_implicit_prelude]` attribute cannot be used on functions
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:476:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:444:5
    |
 LL |     #[no_implicit_prelude] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -928,7 +928,7 @@ LL |     #[no_implicit_prelude] fn f() { }
    = help: `#[no_implicit_prelude]` can be applied to crates and modules
 
 warning: `#[no_implicit_prelude]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:482:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:450:5
    |
 LL |     #[no_implicit_prelude] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -937,7 +937,7 @@ LL |     #[no_implicit_prelude] struct S;
    = help: `#[no_implicit_prelude]` can be applied to crates and modules
 
 warning: `#[no_implicit_prelude]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:488:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:456:5
    |
 LL |     #[no_implicit_prelude] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -946,7 +946,7 @@ LL |     #[no_implicit_prelude] type T = S;
    = help: `#[no_implicit_prelude]` can be applied to crates and modules
 
 warning: `#[no_implicit_prelude]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:494:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:462:5
    |
 LL |     #[no_implicit_prelude] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
@@ -955,7 +955,7 @@ LL |     #[no_implicit_prelude] impl S { }
    = help: `#[no_implicit_prelude]` can be applied to crates and modules
 
 warning: `#[macro_escape]` attribute cannot be used on functions
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:533:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:501:5
    |
 LL |     #[macro_escape] fn f() { }
    |     ^^^^^^^^^^^^^^^
@@ -964,7 +964,7 @@ LL |     #[macro_escape] fn f() { }
    = help: `#[macro_escape]` can be applied to crates, extern crates, and modules
 
 warning: `#[macro_escape]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:539:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:507:5
    |
 LL |     #[macro_escape] struct S;
    |     ^^^^^^^^^^^^^^^
@@ -973,7 +973,7 @@ LL |     #[macro_escape] struct S;
    = help: `#[macro_escape]` can be applied to crates, extern crates, and modules
 
 warning: `#[macro_escape]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:545:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:513:5
    |
 LL |     #[macro_escape] type T = S;
    |     ^^^^^^^^^^^^^^^
@@ -982,7 +982,7 @@ LL |     #[macro_escape] type T = S;
    = help: `#[macro_escape]` can be applied to crates, extern crates, and modules
 
 warning: `#[macro_escape]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:551:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:519:5
    |
 LL |     #[macro_escape] impl S { }
    |     ^^^^^^^^^^^^^^^
@@ -991,13 +991,13 @@ LL |     #[macro_escape] impl S { }
    = help: `#[macro_escape]` can be applied to crates, extern crates, and modules
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![no_std]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:558:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:526:1
    |
 LL | #[no_std]
    | ^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:560:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:528:1
    |
 LL | / mod no_std {
 LL | |
@@ -1007,61 +1007,61 @@ LL | | }
    | |_^
 
 warning: the `#![no_std]` attribute can only be used at the crate root
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:562:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:530:17
    |
 LL |     mod inner { #![no_std] }
    |                 ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![no_std]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:565:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:533:5
    |
 LL |     #[no_std] fn f() { }
    |     ^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this function
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:565:15
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:533:15
    |
 LL |     #[no_std] fn f() { }
    |               ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![no_std]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:569:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:537:5
    |
 LL |     #[no_std] struct S;
    |     ^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this struct
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:569:15
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:537:15
    |
 LL |     #[no_std] struct S;
    |               ^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![no_std]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:573:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:541:5
    |
 LL |     #[no_std] type T = S;
    |     ^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this type alias
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:573:15
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:541:15
    |
 LL |     #[no_std] type T = S;
    |               ^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![no_std]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:577:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:545:5
    |
 LL |     #[no_std] impl S { }
    |     ^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this implementation block
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:577:15
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:545:15
    |
 LL |     #[no_std] impl S { }
    |               ^^^^^^^^^^
 
 warning: `#[cold]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:599:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:567:1
    |
 LL | #[cold]
    | ^^^^^^^
@@ -1070,7 +1070,7 @@ LL | #[cold]
    = help: `#[cold]` can only be applied to functions
 
 warning: `#[cold]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:606:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:574:17
    |
 LL |     mod inner { #![cold] }
    |                 ^^^^^^^^
@@ -1079,7 +1079,7 @@ LL |     mod inner { #![cold] }
    = help: `#[cold]` can only be applied to functions
 
 warning: `#[cold]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:614:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:582:5
    |
 LL |     #[cold] struct S;
    |     ^^^^^^^
@@ -1088,7 +1088,7 @@ LL |     #[cold] struct S;
    = help: `#[cold]` can only be applied to functions
 
 warning: `#[cold]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:620:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:588:5
    |
 LL |     #[cold] type T = S;
    |     ^^^^^^^
@@ -1097,7 +1097,7 @@ LL |     #[cold] type T = S;
    = help: `#[cold]` can only be applied to functions
 
 warning: `#[cold]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:626:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:594:5
    |
 LL |     #[cold] impl S { }
    |     ^^^^^^^
@@ -1106,7 +1106,7 @@ LL |     #[cold] impl S { }
    = help: `#[cold]` can only be applied to functions
 
 warning: `#[link_name]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:633:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:601:1
    |
 LL | #[link_name = "1900"]
    | ^^^^^^^^^^^^^^^^^^^^^
@@ -1115,7 +1115,7 @@ LL | #[link_name = "1900"]
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_name]` attribute cannot be used on foreign modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:639:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:607:5
    |
 LL |     #[link_name = "1900"]
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -1124,7 +1124,7 @@ LL |     #[link_name = "1900"]
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_name]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:646:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:614:17
    |
 LL |     mod inner { #![link_name="1900"] }
    |                 ^^^^^^^^^^^^^^^^^^^^
@@ -1133,7 +1133,7 @@ LL |     mod inner { #![link_name="1900"] }
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_name]` attribute cannot be used on functions
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:652:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:620:5
    |
 LL |     #[link_name = "1900"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -1142,7 +1142,7 @@ LL |     #[link_name = "1900"] fn f() { }
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_name]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:658:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:626:5
    |
 LL |     #[link_name = "1900"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -1151,7 +1151,7 @@ LL |     #[link_name = "1900"] struct S;
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_name]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:664:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:632:5
    |
 LL |     #[link_name = "1900"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -1160,7 +1160,7 @@ LL |     #[link_name = "1900"] type T = S;
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_name]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:670:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:638:5
    |
 LL |     #[link_name = "1900"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^
@@ -1169,7 +1169,7 @@ LL |     #[link_name = "1900"] impl S { }
    = help: `#[link_name]` can be applied to foreign functions and foreign statics
 
 warning: `#[link_section]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:677:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:645:1
    |
 LL | #[link_section = "1800"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -1178,7 +1178,7 @@ LL | #[link_section = "1800"]
    = help: `#[link_section]` can be applied to functions and statics
 
 warning: `#[link_section]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:683:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:651:17
    |
 LL |     mod inner { #![link_section="1800"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^
@@ -1187,7 +1187,7 @@ LL |     mod inner { #![link_section="1800"] }
    = help: `#[link_section]` can be applied to functions and statics
 
 warning: `#[link_section]` attribute cannot be used on structs
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:691:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:659:5
    |
 LL |     #[link_section = "1800"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -1196,7 +1196,7 @@ LL |     #[link_section = "1800"] struct S;
    = help: `#[link_section]` can be applied to functions and statics
 
 warning: `#[link_section]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:697:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:665:5
    |
 LL |     #[link_section = "1800"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -1205,7 +1205,7 @@ LL |     #[link_section = "1800"] type T = S;
    = help: `#[link_section]` can be applied to functions and statics
 
 warning: `#[link_section]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:703:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:671:5
    |
 LL |     #[link_section = "1800"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -1214,7 +1214,7 @@ LL |     #[link_section = "1800"] impl S { }
    = help: `#[link_section]` can be applied to functions and statics
 
 warning: `#[link_section]` attribute cannot be used on traits
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:709:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:677:5
    |
 LL |     #[link_section = "1800"]
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
@@ -1223,7 +1223,7 @@ LL |     #[link_section = "1800"]
    = help: `#[link_section]` can be applied to functions and statics
 
 warning: `#[must_use]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:790:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:758:1
    |
 LL | #[must_use]
    | ^^^^^^^^^^^
@@ -1232,7 +1232,7 @@ LL | #[must_use]
    = help: `#[must_use]` can be applied to data types, functions, traits, and unions
 
 warning: `#[must_use]` attribute cannot be used on modules
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:795:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:763:17
    |
 LL |     mod inner { #![must_use] }
    |                 ^^^^^^^^^^^^
@@ -1241,7 +1241,7 @@ LL |     mod inner { #![must_use] }
    = help: `#[must_use]` can be applied to data types, functions, traits, and unions
 
 warning: `#[must_use]` attribute cannot be used on type aliases
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:804:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:772:5
    |
 LL |     #[must_use] type T = S;
    |     ^^^^^^^^^^^
@@ -1250,7 +1250,7 @@ LL |     #[must_use] type T = S;
    = help: `#[must_use]` can be applied to data types, functions, traits, and unions
 
 warning: `#[must_use]` attribute cannot be used on inherent impl blocks
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:809:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:777:5
    |
 LL |     #[must_use] impl S { }
    |     ^^^^^^^^^^^
@@ -1259,13 +1259,13 @@ LL |     #[must_use] impl S { }
    = help: `#[must_use]` can be applied to data types, functions, traits, and unions
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![windows_subsystem]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:815:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:783:1
    |
 LL | #[windows_subsystem = "windows"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:817:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:785:1
    |
 LL | / mod windows_subsystem {
 LL | |
@@ -1275,67 +1275,67 @@ LL | | }
    | |_^
 
 warning: the `#![windows_subsystem]` attribute can only be used at the crate root
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:819:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:787:17
    |
 LL |     mod inner { #![windows_subsystem="windows"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![windows_subsystem]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:822:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:790:5
    |
 LL |     #[windows_subsystem = "windows"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this function
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:822:38
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:790:38
    |
 LL |     #[windows_subsystem = "windows"] fn f() { }
    |                                      ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![windows_subsystem]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:826:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:794:5
    |
 LL |     #[windows_subsystem = "windows"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this struct
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:826:38
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:794:38
    |
 LL |     #[windows_subsystem = "windows"] struct S;
    |                                      ^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![windows_subsystem]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:830:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:798:5
    |
 LL |     #[windows_subsystem = "windows"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this type alias
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:830:38
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:798:38
    |
 LL |     #[windows_subsystem = "windows"] type T = S;
    |                                      ^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![windows_subsystem]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:834:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:802:5
    |
 LL |     #[windows_subsystem = "windows"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this implementation block
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:834:38
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:802:38
    |
 LL |     #[windows_subsystem = "windows"] impl S { }
    |                                      ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![crate_name]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:841:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:809:1
    |
 LL | #[crate_name = "0900"]
    | ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:843:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:811:1
    |
 LL | / mod crate_name {
 LL | |
@@ -1345,67 +1345,67 @@ LL | | }
    | |_^
 
 warning: the `#![crate_name]` attribute can only be used at the crate root
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:845:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:813:17
    |
 LL |     mod inner { #![crate_name="0900"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![crate_name]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:848:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:816:5
    |
 LL |     #[crate_name = "0900"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this function
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:848:28
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:816:28
    |
 LL |     #[crate_name = "0900"] fn f() { }
    |                            ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![crate_name]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:852:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:820:5
    |
 LL |     #[crate_name = "0900"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this struct
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:852:28
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:820:28
    |
 LL |     #[crate_name = "0900"] struct S;
    |                            ^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![crate_name]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:856:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:824:5
    |
 LL |     #[crate_name = "0900"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this type alias
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:856:28
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:824:28
    |
 LL |     #[crate_name = "0900"] type T = S;
    |                            ^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![crate_name]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:860:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:828:5
    |
 LL |     #[crate_name = "0900"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this implementation block
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:860:28
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:828:28
    |
 LL |     #[crate_name = "0900"] impl S { }
    |                            ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:962:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:930:1
    |
 LL | #[recursion_limit="0200"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:964:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:932:1
    |
 LL | / mod recursion_limit {
 LL | |
@@ -1415,67 +1415,67 @@ LL | | }
    | |_^
 
 warning: the `#![recursion_limit]` attribute can only be used at the crate root
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:966:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:934:17
    |
 LL |     mod inner { #![recursion_limit="0200"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:969:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:937:5
    |
 LL |     #[recursion_limit="0200"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this function
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:969:31
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:937:31
    |
 LL |     #[recursion_limit="0200"] fn f() { }
    |                               ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:973:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:941:5
    |
 LL |     #[recursion_limit="0200"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this struct
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:973:31
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:941:31
    |
 LL |     #[recursion_limit="0200"] struct S;
    |                               ^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:977:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:945:5
    |
 LL |     #[recursion_limit="0200"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this type alias
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:977:31
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:945:31
    |
 LL |     #[recursion_limit="0200"] type T = S;
    |                               ^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![recursion_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:981:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:949:5
    |
 LL |     #[recursion_limit="0200"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this implementation block
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:981:31
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:949:31
    |
 LL |     #[recursion_limit="0200"] impl S { }
    |                               ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:986:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:954:1
    |
 LL | #[type_length_limit="0100"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:988:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:956:1
    |
 LL | / mod type_length_limit {
 LL | |
@@ -1485,55 +1485,55 @@ LL | | }
    | |_^
 
 warning: the `#![type_length_limit]` attribute can only be used at the crate root
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:990:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:958:17
    |
 LL |     mod inner { #![type_length_limit="0100"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:993:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:961:5
    |
 LL |     #[type_length_limit="0100"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this function
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:993:33
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:961:33
    |
 LL |     #[type_length_limit="0100"] fn f() { }
    |                                 ^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:997:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:965:5
    |
 LL |     #[type_length_limit="0100"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this struct
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:997:33
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:965:33
    |
 LL |     #[type_length_limit="0100"] struct S;
    |                                 ^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:1001:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:969:5
    |
 LL |     #[type_length_limit="0100"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this type alias
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:1001:33
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:969:33
    |
 LL |     #[type_length_limit="0100"] type T = S;
    |                                 ^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![type_length_limit]`
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:1005:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:973:5
    |
 LL |     #[type_length_limit="0100"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: This attribute does not have an `!`, which means it is applied to this implementation block
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:1005:33
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:973:33
    |
 LL |     #[type_length_limit="0100"] impl S { }
    |                                 ^^^^^^^^^^
diff --git a/tests/ui/macros/attr-empty-expr.rs b/tests/ui/macros/attr-empty-expr.rs
deleted file mode 100644
index d4d1a3ee71e67..0000000000000
--- a/tests/ui/macros/attr-empty-expr.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-// AST-based macro attributes expanding to an empty expression produce an error and not ICE.
-
-#![feature(custom_test_frameworks)]
-#![feature(stmt_expr_attributes)]
-#![feature(test)]
-
-fn main() {
-    let _ = #[test] 0; //~ ERROR removing an expression is not supported in this position
-    let _ = #[bench] 1; //~ ERROR removing an expression is not supported in this position
-    let _ = #[test_case] 2; //~ ERROR removing an expression is not supported in this position
-}
diff --git a/tests/ui/macros/attr-empty-expr.stderr b/tests/ui/macros/attr-empty-expr.stderr
deleted file mode 100644
index 53721053bcc08..0000000000000
--- a/tests/ui/macros/attr-empty-expr.stderr
+++ /dev/null
@@ -1,20 +0,0 @@
-error: removing an expression is not supported in this position
-  --> $DIR/attr-empty-expr.rs:8:13
-   |
-LL |     let _ = #[test] 0;
-   |             ^^^^^^^
-
-error: removing an expression is not supported in this position
-  --> $DIR/attr-empty-expr.rs:9:13
-   |
-LL |     let _ = #[bench] 1;
-   |             ^^^^^^^^
-
-error: removing an expression is not supported in this position
-  --> $DIR/attr-empty-expr.rs:10:13
-   |
-LL |     let _ = #[test_case] 2;
-   |             ^^^^^^^^^^^^
-
-error: aborting due to 3 previous errors
-
diff --git a/tests/ui/macros/issue-111749.rs b/tests/ui/macros/issue-111749.rs
index 6c45e4e8cd719..779a854ea5824 100644
--- a/tests/ui/macros/issue-111749.rs
+++ b/tests/ui/macros/issue-111749.rs
@@ -5,8 +5,8 @@ macro_rules! cbor_map {
 }
 
 fn main() {
-    cbor_map! { #[test(test)] 4};
-    //~^ ERROR removing an expression is not supported in this position
+    cbor_map! { #[test(test)] 4i32};
+    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
     //~| ERROR attribute must be of the form `#[test]`
     //~| WARNING this was previously accepted by the compiler but is being phased out
 }
diff --git a/tests/ui/macros/issue-111749.stderr b/tests/ui/macros/issue-111749.stderr
index ae953e042e094..3afdd0ad4baff 100644
--- a/tests/ui/macros/issue-111749.stderr
+++ b/tests/ui/macros/issue-111749.stderr
@@ -1,13 +1,19 @@
-error: removing an expression is not supported in this position
+error: the `#[test]` attribute may only be used on a non-associated function
   --> $DIR/issue-111749.rs:8:17
    |
-LL |     cbor_map! { #[test(test)] 4};
-   |                 ^^^^^^^^^^^^^
+LL |     cbor_map! { #[test(test)] 4i32};
+   |                 ^^^^^^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL -     cbor_map! { #[test(test)] 4i32};
+LL +     cbor_map! { #[cfg(test)] 4i32};
+   |
 
 error: attribute must be of the form `#[test]`
   --> $DIR/issue-111749.rs:8:17
    |
-LL |     cbor_map! { #[test(test)] 4};
+LL |     cbor_map! { #[test(test)] 4i32};
    |                 ^^^^^^^^^^^^^
    |
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
@@ -20,7 +26,7 @@ Future incompatibility report: Future breakage diagnostic:
 error: attribute must be of the form `#[test]`
   --> $DIR/issue-111749.rs:8:17
    |
-LL |     cbor_map! { #[test(test)] 4};
+LL |     cbor_map! { #[test(test)] 4i32};
    |                 ^^^^^^^^^^^^^
    |
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
diff --git a/tests/ui/macros/test-on-crate-root.rs b/tests/ui/macros/test-on-crate-root.rs
index 80635a458902d..abe08536b1d68 100644
--- a/tests/ui/macros/test-on-crate-root.rs
+++ b/tests/ui/macros/test-on-crate-root.rs
@@ -2,7 +2,8 @@
 // though only when specified with a full path. `#![test]` is not enough.
 // Fixes #114920
 #![core::prelude::v1::test]
-
+//~^ ERROR inner macro attributes are unstable
+//~| ERROR the `#[test]` attribute may only be used on a non-associated function
 
 
 fn main() {} // not important to reproduce the issue
diff --git a/tests/ui/macros/test-on-crate-root.stderr b/tests/ui/macros/test-on-crate-root.stderr
new file mode 100644
index 0000000000000..5a5e0597284d3
--- /dev/null
+++ b/tests/ui/macros/test-on-crate-root.stderr
@@ -0,0 +1,25 @@
+error[E0658]: inner macro attributes are unstable
+  --> $DIR/test-on-crate-root.rs:3:4
+   |
+LL | #![core::prelude::v1::test]
+   |    ^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
+   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
+   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
+
+error: the `#[test]` attribute may only be used on a non-associated function
+  --> $DIR/test-on-crate-root.rs:3:1
+   |
+LL | #![core::prelude::v1::test]
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |
+help: replace with conditional compilation to make the item only exist when tests are being run
+   |
+LL - #![core::prelude::v1::test]
+LL + #[cfg(test)]
+   |
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0658`.

From 1938841af6af299fc5d07142592434994ffa7f09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>
Date: Sat, 18 Oct 2025 12:13:39 +0200
Subject: [PATCH 3/3] fixup name in diagnostics

---
 compiler/rustc_builtin_macros/src/test.rs     | 21 ++++---
 .../ui/feature-gates/gating-of-test-attrs.rs  | 20 +++----
 .../feature-gates/gating-of-test-attrs.stderr | 60 +++++--------------
 tests/ui/macros/issue-111749.rs               |  2 +-
 tests/ui/macros/issue-111749.stderr           |  2 +-
 tests/ui/macros/test-on-crate-root.rs         |  2 +-
 tests/ui/macros/test-on-crate-root.stderr     |  6 +-
 tests/ui/test-attrs/issue-109816.rs           |  2 +-
 tests/ui/test-attrs/issue-109816.stderr       |  2 +-
 .../test-attr-non-associated-functions.rs     |  4 +-
 .../test-attr-non-associated-functions.stderr |  4 +-
 tests/ui/test-attrs/test-on-not-fn.rs         | 24 ++++----
 tests/ui/test-attrs/test-on-not-fn.stderr     | 24 ++++----
 13 files changed, 74 insertions(+), 99 deletions(-)

diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs
index 8f6244e418fdb..f31ad4f591b1e 100644
--- a/compiler/rustc_builtin_macros/src/test.rs
+++ b/compiler/rustc_builtin_macros/src/test.rs
@@ -117,13 +117,13 @@ pub(crate) fn expand_test_or_bench(
         Annotatable::Item(i) => (i, false),
         Annotatable::Stmt(box ast::Stmt { kind: ast::StmtKind::Item(i), .. }) => (i, true),
         other => {
-            not_testable_error(cx, attr_sp, None);
+            not_testable_error(cx, is_bench, attr_sp, None);
             return vec![other];
         }
     };
 
     let ast::ItemKind::Fn(fn_) = &item.kind else {
-        not_testable_error(cx, attr_sp, Some(&item));
+        not_testable_error(cx, is_bench, attr_sp, Some(&item));
         return if is_stmt {
             vec![Annotatable::Stmt(Box::new(cx.stmt_item(item.span, item)))]
         } else {
@@ -405,9 +405,10 @@ pub(crate) fn expand_test_or_bench(
     }
 }
 
-fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>) {
+fn not_testable_error(cx: &ExtCtxt<'_>, is_bench: bool, attr_sp: Span, item: Option<&ast::Item>) {
     let dcx = cx.dcx();
-    let msg = "the `#[test]` attribute may only be used on a free function";
+    let name = if is_bench { "bench" } else { "test" };
+    let msg = format!("the `#[{name}]` attribute may only be used on a free function");
     let level = match item.map(|i| &i.kind) {
         // These were a warning before #92959 and need to continue being that to avoid breaking
         // stable user code (#94508).
@@ -426,12 +427,16 @@ fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>)
             ),
         );
     }
-    err.with_span_label(attr_sp, "the `#[test]` macro causes a function to be run as a test and has no effect on non-functions")
-        .with_span_suggestion(attr_sp,
+    err.span_label(attr_sp, format!("the `#[{name}]` macro causes a function to be run as a test and has no effect on non-functions"));
+
+    if !is_bench {
+        err.with_span_suggestion(attr_sp,
             "replace with conditional compilation to make the item only exist when tests are being run",
             "#[cfg(test)]",
-            Applicability::MaybeIncorrect)
-        .emit();
+            Applicability::MaybeIncorrect).emit();
+    } else {
+        err.emit();
+    }
 }
 
 fn get_location_info(cx: &ExtCtxt<'_>, fn_: &ast::Fn) -> (Symbol, usize, usize, usize, usize) {
diff --git a/tests/ui/feature-gates/gating-of-test-attrs.rs b/tests/ui/feature-gates/gating-of-test-attrs.rs
index 22b0454e17410..3b07e2ad03c9f 100644
--- a/tests/ui/feature-gates/gating-of-test-attrs.rs
+++ b/tests/ui/feature-gates/gating-of-test-attrs.rs
@@ -3,22 +3,22 @@
 // test is a built-in macro, not a built-in attribute, but it kind of acts like both.
 // check its target checking anyway here
 #[test]
-//~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+//~^ ERROR the `#[test]` attribute may only be used on a free function
 mod test {
     mod inner { #![test] }
     //~^ ERROR inner macro attributes are unstable
-    //~| ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~| ERROR the `#[test]` attribute may only be used on a free function
 
     #[test]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     struct S;
 
     #[test]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     type T = S;
 
     #[test]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     impl S { }
 }
 
@@ -26,22 +26,22 @@ mod test {
 // non-crate-level #[bench] attributes seem to be ignored.
 
 #[bench]
-//~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+//~^ ERROR the `#[bench]` attribute may only be used on a free function
 mod bench {
     mod inner { #![bench] }
     //~^ ERROR inner macro attributes are unstable
-    //~| ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~| ERROR the `#[bench]` attribute may only be used on a free function
 
     #[bench]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[bench]` attribute may only be used on a free function
     struct S;
 
     #[bench]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[bench]` attribute may only be used on a free function
     type T = S;
 
     #[bench]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[bench]` attribute may only be used on a free function
     impl S { }
 }
 
diff --git a/tests/ui/feature-gates/gating-of-test-attrs.stderr b/tests/ui/feature-gates/gating-of-test-attrs.stderr
index 339a68f5d5e48..0f47ab85dc18e 100644
--- a/tests/ui/feature-gates/gating-of-test-attrs.stderr
+++ b/tests/ui/feature-gates/gating-of-test-attrs.stderr
@@ -1,4 +1,4 @@
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:5:1
    |
 LL |   #[test]
@@ -27,7 +27,7 @@ LL |     mod inner { #![test] }
    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:8:17
    |
 LL |     mod inner { #![test] }
@@ -42,7 +42,7 @@ LL -     mod inner { #![test] }
 LL +     mod inner { #[cfg(test)] }
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:12:5
    |
 LL |     #[test]
@@ -57,7 +57,7 @@ LL -     #[test]
 LL +     #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:16:5
    |
 LL |     #[test]
@@ -72,7 +72,7 @@ LL -     #[test]
 LL +     #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:20:5
    |
 LL |     #[test]
@@ -87,11 +87,11 @@ LL -     #[test]
 LL +     #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[bench]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:28:1
    |
 LL |   #[bench]
-   |   ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |   ^^^^^^^^ the `#[bench]` macro causes a function to be run as a test and has no effect on non-functions
 LL |
 LL | / mod bench {
 LL | |     mod inner { #![bench] }
@@ -99,12 +99,6 @@ LL | |     mod inner { #![bench] }
 LL | |     impl S { }
 LL | | }
    | |_- expected a non-associated function, found a module
-   |
-help: replace with conditional compilation to make the item only exist when tests are being run
-   |
-LL - #[bench]
-LL + #[cfg(test)]
-   |
 
 error[E0658]: inner macro attributes are unstable
   --> $DIR/gating-of-test-attrs.rs:31:20
@@ -116,65 +110,41 @@ LL |     mod inner { #![bench] }
    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[bench]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:31:17
    |
 LL |     mod inner { #![bench] }
    |     ------------^^^^^^^^^--
    |     |           |
-   |     |           the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |     |           the `#[bench]` macro causes a function to be run as a test and has no effect on non-functions
    |     expected a non-associated function, found a module
-   |
-help: replace with conditional compilation to make the item only exist when tests are being run
-   |
-LL -     mod inner { #![bench] }
-LL +     mod inner { #[cfg(test)] }
-   |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[bench]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:35:5
    |
 LL |     #[bench]
-   |     ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |     ^^^^^^^^ the `#[bench]` macro causes a function to be run as a test and has no effect on non-functions
 LL |
 LL |     struct S;
    |     --------- expected a non-associated function, found a struct
-   |
-help: replace with conditional compilation to make the item only exist when tests are being run
-   |
-LL -     #[bench]
-LL +     #[cfg(test)]
-   |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[bench]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:39:5
    |
 LL |     #[bench]
-   |     ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |     ^^^^^^^^ the `#[bench]` macro causes a function to be run as a test and has no effect on non-functions
 LL |
 LL |     type T = S;
    |     ----------- expected a non-associated function, found a type alias
-   |
-help: replace with conditional compilation to make the item only exist when tests are being run
-   |
-LL -     #[bench]
-LL +     #[cfg(test)]
-   |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[bench]` attribute may only be used on a free function
   --> $DIR/gating-of-test-attrs.rs:43:5
    |
 LL |     #[bench]
-   |     ^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
+   |     ^^^^^^^^ the `#[bench]` macro causes a function to be run as a test and has no effect on non-functions
 LL |
 LL |     impl S { }
    |     ---------- expected a non-associated function, found an implementation
-   |
-help: replace with conditional compilation to make the item only exist when tests are being run
-   |
-LL -     #[bench]
-LL +     #[cfg(test)]
-   |
 
 error: aborting due to 12 previous errors
 
diff --git a/tests/ui/macros/issue-111749.rs b/tests/ui/macros/issue-111749.rs
index 779a854ea5824..e92b9e4ccff82 100644
--- a/tests/ui/macros/issue-111749.rs
+++ b/tests/ui/macros/issue-111749.rs
@@ -6,7 +6,7 @@ macro_rules! cbor_map {
 
 fn main() {
     cbor_map! { #[test(test)] 4i32};
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     //~| ERROR attribute must be of the form `#[test]`
     //~| WARNING this was previously accepted by the compiler but is being phased out
 }
diff --git a/tests/ui/macros/issue-111749.stderr b/tests/ui/macros/issue-111749.stderr
index 3afdd0ad4baff..ead01f87eaec0 100644
--- a/tests/ui/macros/issue-111749.stderr
+++ b/tests/ui/macros/issue-111749.stderr
@@ -1,4 +1,4 @@
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/issue-111749.rs:8:17
    |
 LL |     cbor_map! { #[test(test)] 4i32};
diff --git a/tests/ui/macros/test-on-crate-root.rs b/tests/ui/macros/test-on-crate-root.rs
index abe08536b1d68..0e0f3ec40976c 100644
--- a/tests/ui/macros/test-on-crate-root.rs
+++ b/tests/ui/macros/test-on-crate-root.rs
@@ -3,7 +3,7 @@
 // Fixes #114920
 #![core::prelude::v1::test]
 //~^ ERROR inner macro attributes are unstable
-//~| ERROR the `#[test]` attribute may only be used on a non-associated function
+//~| ERROR the `#[test]` attribute may only be used on a free function
 
 
 fn main() {} // not important to reproduce the issue
diff --git a/tests/ui/macros/test-on-crate-root.stderr b/tests/ui/macros/test-on-crate-root.stderr
index 5a5e0597284d3..d706d6ae6c5fa 100644
--- a/tests/ui/macros/test-on-crate-root.stderr
+++ b/tests/ui/macros/test-on-crate-root.stderr
@@ -1,5 +1,5 @@
 error[E0658]: inner macro attributes are unstable
-  --> $DIR/test-on-crate-root.rs:3:4
+  --> $DIR/test-on-crate-root.rs:4:4
    |
 LL | #![core::prelude::v1::test]
    |    ^^^^^^^^^^^^^^^^^^^^^^^
@@ -8,8 +8,8 @@ LL | #![core::prelude::v1::test]
    = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
 
-error: the `#[test]` attribute may only be used on a non-associated function
-  --> $DIR/test-on-crate-root.rs:3:1
+error: the `#[test]` attribute may only be used on a free function
+  --> $DIR/test-on-crate-root.rs:4:1
    |
 LL | #![core::prelude::v1::test]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
diff --git a/tests/ui/test-attrs/issue-109816.rs b/tests/ui/test-attrs/issue-109816.rs
index 3cabf451c6635..c7caae67fefa6 100644
--- a/tests/ui/test-attrs/issue-109816.rs
+++ b/tests/ui/test-attrs/issue-109816.rs
@@ -2,6 +2,6 @@
 
 fn align_offset_weird_strides() {
     #[test]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     struct A5(u32, u8);
 }
diff --git a/tests/ui/test-attrs/issue-109816.stderr b/tests/ui/test-attrs/issue-109816.stderr
index 433421fff1b57..270f4e0a66683 100644
--- a/tests/ui/test-attrs/issue-109816.stderr
+++ b/tests/ui/test-attrs/issue-109816.stderr
@@ -1,4 +1,4 @@
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/issue-109816.rs:4:5
    |
 LL |     #[test]
diff --git a/tests/ui/test-attrs/test-attr-non-associated-functions.rs b/tests/ui/test-attrs/test-attr-non-associated-functions.rs
index 1a4dfda090970..4bf337d0f1b3c 100644
--- a/tests/ui/test-attrs/test-attr-non-associated-functions.rs
+++ b/tests/ui/test-attrs/test-attr-non-associated-functions.rs
@@ -4,12 +4,12 @@ struct A {}
 
 impl A {
     #[test]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     fn new() -> A {
         A {}
     }
     #[test]
-    //~^ ERROR the `#[test]` attribute may only be used on a non-associated function
+    //~^ ERROR the `#[test]` attribute may only be used on a free function
     fn recovery_witness() -> A {
         A {}
     }
diff --git a/tests/ui/test-attrs/test-attr-non-associated-functions.stderr b/tests/ui/test-attrs/test-attr-non-associated-functions.stderr
index 0ede0cbb97f33..13914971b558a 100644
--- a/tests/ui/test-attrs/test-attr-non-associated-functions.stderr
+++ b/tests/ui/test-attrs/test-attr-non-associated-functions.stderr
@@ -1,4 +1,4 @@
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-attr-non-associated-functions.rs:6:5
    |
 LL |     #[test]
@@ -10,7 +10,7 @@ LL -     #[test]
 LL +     #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-attr-non-associated-functions.rs:11:5
    |
 LL |     #[test]
diff --git a/tests/ui/test-attrs/test-on-not-fn.rs b/tests/ui/test-attrs/test-on-not-fn.rs
index deba26f24ca71..16e9cd8d5b8d7 100644
--- a/tests/ui/test-attrs/test-on-not-fn.rs
+++ b/tests/ui/test-attrs/test-on-not-fn.rs
@@ -1,9 +1,9 @@
 //@ compile-flags: --test
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 mod test {}
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 mod loooooooooooooong_teeeeeeeeeest {
     /*
     this is a comment
@@ -17,37 +17,37 @@ mod loooooooooooooong_teeeeeeeeeest {
     */
 }
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 extern "C" {}
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 trait Foo {}
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 impl Foo for i32 {}
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 const FOO: i32 = -1_i32;
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 static BAR: u64 = 10_000_u64;
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 enum MyUnit {
     Unit,
 }
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 struct NewI32(i32);
 
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 union Spooky {
     x: i32,
     y: u32,
 }
 
 #[repr(C, align(64))]
-#[test] //~ ERROR: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ ERROR: the `#[test]` attribute may only be used on a free function
 #[derive(Copy, Clone, Debug)]
 struct MoreAttrs {
     a: i32,
@@ -58,7 +58,7 @@ macro_rules! foo {
     () => {};
 }
 
-#[test] //~ WARN: the `#[test]` attribute may only be used on a non-associated function
+#[test] //~ WARN: the `#[test]` attribute may only be used on a free function
 foo!();
 
 // make sure it doesn't erroneously trigger on a real test
diff --git a/tests/ui/test-attrs/test-on-not-fn.stderr b/tests/ui/test-attrs/test-on-not-fn.stderr
index a282db012540a..db8bed100a635 100644
--- a/tests/ui/test-attrs/test-on-not-fn.stderr
+++ b/tests/ui/test-attrs/test-on-not-fn.stderr
@@ -1,4 +1,4 @@
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:3:1
    |
 LL | #[test]
@@ -12,7 +12,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:6:1
    |
 LL |   #[test]
@@ -32,7 +32,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:20:1
    |
 LL | #[test]
@@ -46,7 +46,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:23:1
    |
 LL | #[test]
@@ -60,7 +60,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:26:1
    |
 LL | #[test]
@@ -74,7 +74,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:29:1
    |
 LL | #[test]
@@ -88,7 +88,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:32:1
    |
 LL | #[test]
@@ -102,7 +102,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:35:1
    |
 LL |   #[test]
@@ -118,7 +118,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:40:1
    |
 LL | #[test]
@@ -132,7 +132,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:43:1
    |
 LL |   #[test]
@@ -149,7 +149,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-error: the `#[test]` attribute may only be used on a non-associated function
+error: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:50:1
    |
 LL |   #[test]
@@ -167,7 +167,7 @@ LL - #[test]
 LL + #[cfg(test)]
    |
 
-warning: the `#[test]` attribute may only be used on a non-associated function
+warning: the `#[test]` attribute may only be used on a free function
   --> $DIR/test-on-not-fn.rs:61:1
    |
 LL | #[test]

更改後文本

開啟檔案

From 1864bf6a510a7e9df23777591f3389b6feb27e90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>
Date: Sat, 18 Oct 2025 11:25:13 +0200
Subject: [PATCH 1/3] ICE when applying test to crate root

From 9dd3caeebefbb36f90ea13e5ec4b37048067ca59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>
Date: Sat, 18 Oct 2025 12:10:21 +0200
Subject: [PATCH 2/3] only discard items with `#[test]` on it when target is
 valid

From 97d4d2154f4764a62710f2e2a0f3cd90b55adeaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jana=20D=C3=B6nszelmann?= <jana@donsz.nl>
Date: Sat, 18 Oct 2025 12:13:39 +0200
Subject: [PATCH 3/3] fixup name in diagnostics

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