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-rw-r--r--src/test/ui/feature-gate-fn_must_use-cap-lints-allow.rs22
-rw-r--r--src/test/ui/feature-gate-fn_must_use-cap-lints-allow.stderr8
-rw-r--r--src/test/ui/feature-gate-fn_must_use.rs31
-rw-r--r--src/test/ui/feature-gate-fn_must_use.stderr24
-rw-r--r--src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.rs1
-rw-r--r--src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.stderr154
-rw-r--r--src/test/ui/fn_must_use.rs (renamed from src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.rs)1
-rw-r--r--src/test/ui/fn_must_use.stderr (renamed from src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.stderr)16
-rw-r--r--src/test/ui/lint/must-use-ops.rs1
-rw-r--r--src/test/ui/lint/must-use-ops.stderr44
-rw-r--r--src/test/ui/span/gated-features-attr-spans.rs23
-rw-r--r--src/test/ui/span/gated-features-attr-spans.stderr18
12 files changed, 104 insertions, 239 deletions
diff --git a/src/test/ui/feature-gate-fn_must_use-cap-lints-allow.rs b/src/test/ui/feature-gate-fn_must_use-cap-lints-allow.rs
deleted file mode 100644
index 1c04199c05f..00000000000
--- a/src/test/ui/feature-gate-fn_must_use-cap-lints-allow.rs
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-// compile-flags: --cap-lints allow
-
-// This tests that the fn_must_use feature-gate warning respects the lint
-// cap. (See discussion in Issue #44213.)
-
-#![feature(rustc_attrs)]
-
-#[must_use] // (no feature-gate warning because of the lint cap!)
-fn need_to_use_it() -> bool { true }
-
-#[rustc_error]
-fn main() {} //~ ERROR compilation successful
diff --git a/src/test/ui/feature-gate-fn_must_use-cap-lints-allow.stderr b/src/test/ui/feature-gate-fn_must_use-cap-lints-allow.stderr
deleted file mode 100644
index a2c1dedff38..00000000000
--- a/src/test/ui/feature-gate-fn_must_use-cap-lints-allow.stderr
+++ /dev/null
@@ -1,8 +0,0 @@
-error: compilation successful
-  --> $DIR/feature-gate-fn_must_use-cap-lints-allow.rs:22:1
-   |
-LL | fn main() {} //~ ERROR compilation successful
-   | ^^^^^^^^^^^^
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/feature-gate-fn_must_use.rs b/src/test/ui/feature-gate-fn_must_use.rs
deleted file mode 100644
index 72fdcc76cf4..00000000000
--- a/src/test/ui/feature-gate-fn_must_use.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-#![feature(rustc_attrs)]
-
-struct MyStruct;
-
-impl MyStruct {
-    #[must_use] //~ WARN `#[must_use]` on methods is experimental
-    fn need_to_use_method() -> bool { true }
-}
-
-#[must_use] //~ WARN `#[must_use]` on functions is experimental
-fn need_to_use_it() -> bool { true }
-
-
-// Feature gates are tidy-required to have a specially named (or
-// comment-annotated) compile-fail test (which MUST fail), but for
-// backwards-compatibility reasons, we want `#[must_use]` on functions to be
-// compilable even if the `fn_must_use` feature is absent, thus necessitating
-// the usage of `#[rustc_error]` here, pragmatically if awkwardly solving this
-// dilemma until a superior solution can be devised.
-#[rustc_error]
-fn main() {} //~ ERROR compilation successful
diff --git a/src/test/ui/feature-gate-fn_must_use.stderr b/src/test/ui/feature-gate-fn_must_use.stderr
deleted file mode 100644
index 431c57abd26..00000000000
--- a/src/test/ui/feature-gate-fn_must_use.stderr
+++ /dev/null
@@ -1,24 +0,0 @@
-warning: `#[must_use]` on methods is experimental (see issue #43302)
-  --> $DIR/feature-gate-fn_must_use.rs:16:5
-   |
-LL |     #[must_use] //~ WARN `#[must_use]` on methods is experimental
-   |     ^^^^^^^^^^^
-   |
-   = help: add #![feature(fn_must_use)] to the crate attributes to enable
-
-warning: `#[must_use]` on functions is experimental (see issue #43302)
-  --> $DIR/feature-gate-fn_must_use.rs:20:1
-   |
-LL | #[must_use] //~ WARN `#[must_use]` on functions is experimental
-   | ^^^^^^^^^^^
-   |
-   = help: add #![feature(fn_must_use)] to the crate attributes to enable
-
-error: compilation successful
-  --> $DIR/feature-gate-fn_must_use.rs:31:1
-   |
-LL | fn main() {} //~ ERROR compilation successful
-   | ^^^^^^^^^^^^
-
-error: aborting due to previous error
-
diff --git a/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.rs b/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.rs
index 21950402c8c..7b0c81dbab6 100644
--- a/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.rs
+++ b/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.rs
@@ -661,7 +661,6 @@ mod must_use {
     mod inner { #![must_use="1400"] }
 
     #[must_use = "1400"] fn f() { }
-    //~^ WARN `#[must_use]` on functions is experimental
 
     #[must_use = "1400"] struct S;
 
diff --git a/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.stderr b/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.stderr
index 0beed627987..76ab50c9089 100644
--- a/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.stderr
+++ b/src/test/ui/feature-gate/issue-43106-gating-of-builtin-attrs.stderr
@@ -12,14 +12,6 @@ LL |     mod inner { #![macro_escape] }
    |
    = help: consider an outer attribute, #[macro_use] mod ...
 
-warning: `#[must_use]` on functions is experimental (see issue #43302)
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:663:5
-   |
-LL |     #[must_use = "1400"] fn f() { }
-   |     ^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: add #![feature(fn_must_use)] to the crate attributes to enable
-
 warning: unknown lint: `x5400`
   --> $DIR/issue-43106-gating-of-builtin-attrs.rs:49:33
    |
@@ -799,433 +791,433 @@ LL | #[no_std = "2600"]
    | ^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:692:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:691:17
    |
 LL |     mod inner { #![crate_name="0900"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:692:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:691:17
    |
 LL |     mod inner { #![crate_name="0900"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:695:5
    |
 LL |     #[crate_name = "0900"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:695:5
    |
 LL |     #[crate_name = "0900"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:700:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:5
    |
 LL |     #[crate_name = "0900"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:700:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:5
    |
 LL |     #[crate_name = "0900"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:704:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:703:5
    |
 LL |     #[crate_name = "0900"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:704:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:703:5
    |
 LL |     #[crate_name = "0900"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:708:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:707:5
    |
 LL |     #[crate_name = "0900"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:708:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:707:5
    |
 LL |     #[crate_name = "0900"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:688:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:687:1
    |
 LL | #[crate_name = "0900"]
    | ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:688:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:687:1
    |
 LL | #[crate_name = "0900"]
    | ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:717:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:716:17
    |
 LL |     mod inner { #![crate_type="0800"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:717:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:716:17
    |
 LL |     mod inner { #![crate_type="0800"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:720:5
    |
 LL |     #[crate_type = "0800"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:720:5
    |
 LL |     #[crate_type = "0800"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:725:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:724:5
    |
 LL |     #[crate_type = "0800"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:725:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:724:5
    |
 LL |     #[crate_type = "0800"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:729:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:728:5
    |
 LL |     #[crate_type = "0800"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:729:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:728:5
    |
 LL |     #[crate_type = "0800"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:733:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:732:5
    |
 LL |     #[crate_type = "0800"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:733:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:732:5
    |
 LL |     #[crate_type = "0800"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:713:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:712:1
    |
 LL | #[crate_type = "0800"]
    | ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:713:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:712:1
    |
 LL | #[crate_type = "0800"]
    | ^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:742:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:741:17
    |
 LL |     mod inner { #![feature(x0600)] }
    |                 ^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:742:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:741:17
    |
 LL |     mod inner { #![feature(x0600)] }
    |                 ^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:746:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:745:5
    |
 LL |     #[feature(x0600)] fn f() { }
    |     ^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:746:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:745:5
    |
 LL |     #[feature(x0600)] fn f() { }
    |     ^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:749:5
    |
 LL |     #[feature(x0600)] struct S;
    |     ^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:749:5
    |
 LL |     #[feature(x0600)] struct S;
    |     ^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:754:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:753:5
    |
 LL |     #[feature(x0600)] type T = S;
    |     ^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:754:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:753:5
    |
 LL |     #[feature(x0600)] type T = S;
    |     ^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:758:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:757:5
    |
 LL |     #[feature(x0600)] impl S { }
    |     ^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:758:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:757:5
    |
 LL |     #[feature(x0600)] impl S { }
    |     ^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:738:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:737:1
    |
 LL | #[feature(x0600)]
    | ^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:738:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:737:1
    |
 LL | #[feature(x0600)]
    | ^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:768:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:767:17
    |
 LL |     mod inner { #![no_main="0400"] }
    |                 ^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:768:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:767:17
    |
 LL |     mod inner { #![no_main="0400"] }
    |                 ^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:772:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:771:5
    |
 LL |     #[no_main = "0400"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:772:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:771:5
    |
 LL |     #[no_main = "0400"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:776:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:775:5
    |
 LL |     #[no_main = "0400"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:776:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:775:5
    |
 LL |     #[no_main = "0400"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:780:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:779:5
    |
 LL |     #[no_main = "0400"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:780:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:779:5
    |
 LL |     #[no_main = "0400"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:784:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:783:5
    |
 LL |     #[no_main = "0400"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:784:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:783:5
    |
 LL |     #[no_main = "0400"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:764:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:763:1
    |
 LL | #[no_main = "0400"]
    | ^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:764:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:763:1
    |
 LL | #[no_main = "0400"]
    | ^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:806:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:805:17
    |
 LL |     mod inner { #![recursion_limit="0200"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:806:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:805:17
    |
 LL |     mod inner { #![recursion_limit="0200"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:810:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:809:5
    |
 LL |     #[recursion_limit="0200"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:810:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:809:5
    |
 LL |     #[recursion_limit="0200"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:814:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:813:5
    |
 LL |     #[recursion_limit="0200"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:814:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:813:5
    |
 LL |     #[recursion_limit="0200"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:818:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:817:5
    |
 LL |     #[recursion_limit="0200"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:818:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:817:5
    |
 LL |     #[recursion_limit="0200"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:822:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:821:5
    |
 LL |     #[recursion_limit="0200"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:822:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:821:5
    |
 LL |     #[recursion_limit="0200"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:802:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:801:1
    |
 LL | #[recursion_limit="0200"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:802:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:801:1
    |
 LL | #[recursion_limit="0200"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:831:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:830:17
    |
 LL |     mod inner { #![type_length_limit="0100"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be in the root module
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:831:17
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:830:17
    |
 LL |     mod inner { #![type_length_limit="0100"] }
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:835:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:834:5
    |
 LL |     #[type_length_limit="0100"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:835:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:834:5
    |
 LL |     #[type_length_limit="0100"] fn f() { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:839:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:838:5
    |
 LL |     #[type_length_limit="0100"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:839:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:838:5
    |
 LL |     #[type_length_limit="0100"] struct S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:843:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:842:5
    |
 LL |     #[type_length_limit="0100"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:843:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:842:5
    |
 LL |     #[type_length_limit="0100"] type T = S;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:847:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:846:5
    |
 LL |     #[type_length_limit="0100"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:847:5
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:846:5
    |
 LL |     #[type_length_limit="0100"] impl S { }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused attribute
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:827:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:826:1
    |
 LL | #[type_length_limit="0100"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: crate-level attribute should be an inner attribute: add an exclamation mark: #![foo]
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:827:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:826:1
    |
 LL | #[type_length_limit="0100"]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -1309,7 +1301,7 @@ LL | #![proc_macro_derive          = "2500"] //~ WARN unused attribute
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: compilation successful
-  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:858:1
+  --> $DIR/issue-43106-gating-of-builtin-attrs.rs:857:1
    |
 LL | / fn main() { //~ ERROR compilation successful
 LL | |     println!("Hello World");
diff --git a/src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.rs b/src/test/ui/fn_must_use.rs
index d20ebf0b740..def23046db2 100644
--- a/src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.rs
+++ b/src/test/ui/fn_must_use.rs
@@ -10,7 +10,6 @@
 
 // compile-pass
 
-#![feature(fn_must_use)]
 #![warn(unused_must_use)]
 
 #[derive(PartialEq, Eq)]
diff --git a/src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.stderr b/src/test/ui/fn_must_use.stderr
index d0a8bb525b6..5026dac0a94 100644
--- a/src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.stderr
+++ b/src/test/ui/fn_must_use.stderr
@@ -1,47 +1,47 @@
 warning: unused return value of `need_to_use_this_value` which must be used: it's important
-  --> $DIR/fn_must_use.rs:61:5
+  --> $DIR/fn_must_use.rs:60:5
    |
 LL |     need_to_use_this_value(); //~ WARN unused return value
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
    |
 note: lint level defined here
-  --> $DIR/fn_must_use.rs:14:9
+  --> $DIR/fn_must_use.rs:13:9
    |
 LL | #![warn(unused_must_use)]
    |         ^^^^^^^^^^^^^^^
 
 warning: unused return value of `MyStruct::need_to_use_this_method_value` which must be used
-  --> $DIR/fn_must_use.rs:66:5
+  --> $DIR/fn_must_use.rs:65:5
    |
 LL |     m.need_to_use_this_method_value(); //~ WARN unused return value
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 warning: unused return value of `EvenNature::is_even` which must be used: no side effects
-  --> $DIR/fn_must_use.rs:67:5
+  --> $DIR/fn_must_use.rs:66:5
    |
 LL |     m.is_even(); // trait method!
    |     ^^^^^^^^^^^^
 
 warning: unused return value of `std::cmp::PartialEq::eq` which must be used
-  --> $DIR/fn_must_use.rs:73:5
+  --> $DIR/fn_must_use.rs:72:5
    |
 LL |     2.eq(&3); //~ WARN unused return value
    |     ^^^^^^^^^
 
 warning: unused return value of `std::cmp::PartialEq::eq` which must be used
-  --> $DIR/fn_must_use.rs:74:5
+  --> $DIR/fn_must_use.rs:73:5
    |
 LL |     m.eq(&n); //~ WARN unused return value
    |     ^^^^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/fn_must_use.rs:77:5
+  --> $DIR/fn_must_use.rs:76:5
    |
 LL |     2 == 3; //~ WARN unused comparison
    |     ^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/fn_must_use.rs:78:5
+  --> $DIR/fn_must_use.rs:77:5
    |
 LL |     m == n; //~ WARN unused comparison
    |     ^^^^^^
diff --git a/src/test/ui/lint/must-use-ops.rs b/src/test/ui/lint/must-use-ops.rs
index 4ed82ab3b40..c0575f817c8 100644
--- a/src/test/ui/lint/must-use-ops.rs
+++ b/src/test/ui/lint/must-use-ops.rs
@@ -12,7 +12,6 @@
 
 // compile-pass
 
-#![feature(fn_must_use)]
 #![warn(unused_must_use)]
 
 fn main() {
diff --git a/src/test/ui/lint/must-use-ops.stderr b/src/test/ui/lint/must-use-ops.stderr
index f444ef09075..5703536ef48 100644
--- a/src/test/ui/lint/must-use-ops.stderr
+++ b/src/test/ui/lint/must-use-ops.stderr
@@ -1,131 +1,131 @@
 warning: unused comparison which must be used
-  --> $DIR/must-use-ops.rs:23:5
+  --> $DIR/must-use-ops.rs:22:5
    |
 LL |     val == 1;
    |     ^^^^^^^^
    |
 note: lint level defined here
-  --> $DIR/must-use-ops.rs:16:9
+  --> $DIR/must-use-ops.rs:15:9
    |
 LL | #![warn(unused_must_use)]
    |         ^^^^^^^^^^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/must-use-ops.rs:24:5
+  --> $DIR/must-use-ops.rs:23:5
    |
 LL |     val < 1;
    |     ^^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/must-use-ops.rs:25:5
+  --> $DIR/must-use-ops.rs:24:5
    |
 LL |     val <= 1;
    |     ^^^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/must-use-ops.rs:26:5
+  --> $DIR/must-use-ops.rs:25:5
    |
 LL |     val != 1;
    |     ^^^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/must-use-ops.rs:27:5
+  --> $DIR/must-use-ops.rs:26:5
    |
 LL |     val >= 1;
    |     ^^^^^^^^
 
 warning: unused comparison which must be used
-  --> $DIR/must-use-ops.rs:28:5
+  --> $DIR/must-use-ops.rs:27:5
    |
 LL |     val > 1;
    |     ^^^^^^^
 
 warning: unused arithmetic operation which must be used
-  --> $DIR/must-use-ops.rs:31:5
+  --> $DIR/must-use-ops.rs:30:5
    |
 LL |     val + 2;
    |     ^^^^^^^
 
 warning: unused arithmetic operation which must be used
-  --> $DIR/must-use-ops.rs:32:5
+  --> $DIR/must-use-ops.rs:31:5
    |
 LL |     val - 2;
    |     ^^^^^^^
 
 warning: unused arithmetic operation which must be used
-  --> $DIR/must-use-ops.rs:33:5
+  --> $DIR/must-use-ops.rs:32:5
    |
 LL |     val / 2;
    |     ^^^^^^^
 
 warning: unused arithmetic operation which must be used
-  --> $DIR/must-use-ops.rs:34:5
+  --> $DIR/must-use-ops.rs:33:5
    |
 LL |     val * 2;
    |     ^^^^^^^
 
 warning: unused arithmetic operation which must be used
-  --> $DIR/must-use-ops.rs:35:5
+  --> $DIR/must-use-ops.rs:34:5
    |
 LL |     val % 2;
    |     ^^^^^^^
 
 warning: unused logical operation which must be used
-  --> $DIR/must-use-ops.rs:38:5
+  --> $DIR/must-use-ops.rs:37:5
    |
 LL |     true && true;
    |     ^^^^^^^^^^^^
 
 warning: unused logical operation which must be used
-  --> $DIR/must-use-ops.rs:39:5
+  --> $DIR/must-use-ops.rs:38:5
    |
 LL |     false || true;
    |     ^^^^^^^^^^^^^
 
 warning: unused bitwise operation which must be used
-  --> $DIR/must-use-ops.rs:42:5
+  --> $DIR/must-use-ops.rs:41:5
    |
 LL |     5 ^ val;
    |     ^^^^^^^
 
 warning: unused bitwise operation which must be used
-  --> $DIR/must-use-ops.rs:43:5
+  --> $DIR/must-use-ops.rs:42:5
    |
 LL |     5 & val;
    |     ^^^^^^^
 
 warning: unused bitwise operation which must be used
-  --> $DIR/must-use-ops.rs:44:5
+  --> $DIR/must-use-ops.rs:43:5
    |
 LL |     5 | val;
    |     ^^^^^^^
 
 warning: unused bitwise operation which must be used
-  --> $DIR/must-use-ops.rs:45:5
+  --> $DIR/must-use-ops.rs:44:5
    |
 LL |     5 << val;
    |     ^^^^^^^^
 
 warning: unused bitwise operation which must be used
-  --> $DIR/must-use-ops.rs:46:5
+  --> $DIR/must-use-ops.rs:45:5
    |
 LL |     5 >> val;
    |     ^^^^^^^^
 
 warning: unused unary operation which must be used
-  --> $DIR/must-use-ops.rs:49:5
+  --> $DIR/must-use-ops.rs:48:5
    |
 LL |     !val;
    |     ^^^^
 
 warning: unused unary operation which must be used
-  --> $DIR/must-use-ops.rs:50:5
+  --> $DIR/must-use-ops.rs:49:5
    |
 LL |     -val;
    |     ^^^^
 
 warning: unused unary operation which must be used
-  --> $DIR/must-use-ops.rs:51:5
+  --> $DIR/must-use-ops.rs:50:5
    |
 LL |     *val_pointer;
    |     ^^^^^^^^^^^^
diff --git a/src/test/ui/span/gated-features-attr-spans.rs b/src/test/ui/span/gated-features-attr-spans.rs
index 83a4c5d5dd2..eff1f98eb71 100644
--- a/src/test/ui/span/gated-features-attr-spans.rs
+++ b/src/test/ui/span/gated-features-attr-spans.rs
@@ -8,33 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(attr_literals)]
-
-#[repr(align(16))]
-struct Gem {
-    mohs_hardness: u8,
-    poofed: bool,
-    weapon: Weapon,
-}
-
 #[repr(simd)] //~ ERROR are experimental
 struct Weapon {
     name: String,
     damage: u32
 }
 
-impl Gem {
-    #[must_use] fn summon_weapon(&self) -> Weapon { self.weapon }
-    //~^ WARN is experimental
-}
-
-#[must_use] //~ WARN is experimental
-fn bubble(gem: Gem) -> Result<Gem, ()> {
-    if gem.poofed {
-        Ok(gem)
-    } else {
-        Err(())
-    }
-}
-
 fn main() {}
diff --git a/src/test/ui/span/gated-features-attr-spans.stderr b/src/test/ui/span/gated-features-attr-spans.stderr
index 179daf83c3c..a99530529fc 100644
--- a/src/test/ui/span/gated-features-attr-spans.stderr
+++ b/src/test/ui/span/gated-features-attr-spans.stderr
@@ -1,27 +1,11 @@
 error[E0658]: SIMD types are experimental and possibly buggy (see issue #27731)
-  --> $DIR/gated-features-attr-spans.rs:20:1
+  --> $DIR/gated-features-attr-spans.rs:11:1
    |
 LL | #[repr(simd)] //~ ERROR are experimental
    | ^^^^^^^^^^^^^
    |
    = help: add #![feature(repr_simd)] to the crate attributes to enable
 
-warning: `#[must_use]` on methods is experimental (see issue #43302)
-  --> $DIR/gated-features-attr-spans.rs:27:5
-   |
-LL |     #[must_use] fn summon_weapon(&self) -> Weapon { self.weapon }
-   |     ^^^^^^^^^^^
-   |
-   = help: add #![feature(fn_must_use)] to the crate attributes to enable
-
-warning: `#[must_use]` on functions is experimental (see issue #43302)
-  --> $DIR/gated-features-attr-spans.rs:31:1
-   |
-LL | #[must_use] //~ WARN is experimental
-   | ^^^^^^^^^^^
-   |
-   = help: add #![feature(fn_must_use)] to the crate attributes to enable
-
 error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0658`.
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-09-20 20:00:28 +0000