Rollup merge of #54870 - flip1995:stabilize_tool_lints, r=Manishearth

Fixes #47311.
r? @nrc

src/test/run-pass/tool_lints.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 #![deny(unknown_lints)]
 
 #[allow(clippy::almost_swapped)]

src/test/run-pass/tool_lints_2018_preview.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 #![feature(rust_2018_preview)]
 #![deny(unknown_lints)]
 

src/test/ui-fulldeps/lint_tool_test.rs

@@ -11,8 +11,8 @@
 // aux-build:lint_tool_test.rs
 // ignore-stage1
 // compile-flags: --cfg foo
+
 #![feature(plugin)]
-#![feature(tool_lints)]
 #![plugin(lint_tool_test)]
 #![allow(dead_code)]
 #![cfg_attr(foo, warn(test_lint))]

src/test/ui/feature-gates/feature-gate-tool_lints-fail.rs

@@ -1,12 +0,0 @@
-// Copyright 2018 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.
-
-#[warn(clippy::assign_ops)] //~ ERROR scoped lint `clippy::assign_ops` is experimental
-fn main() {}

src/test/ui/feature-gates/feature-gate-tool_lints-fail.stderr

@@ -1,11 +0,0 @@
-error[E0658]: scoped lint `clippy::assign_ops` is experimental (see issue #44690)
-  --> $DIR/feature-gate-tool_lints-fail.rs:11:8
-   |
-LL | #[warn(clippy::assign_ops)] //~ ERROR scoped lint `clippy::assign_ops` is experimental
-   |        ^^^^^^^^^^^^^^^^^^
-   |
-   = help: add #![feature(tool_lints)] to the crate attributes to enable
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0658`.

src/test/ui/feature-gates/feature-gate-tool_lints.rs

@@ -1,15 +0,0 @@
-// Copyright 2018 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.
-
-#[warn(clippy::decimal_literal_representation)]
-//~^ ERROR scoped lint `clippy::decimal_literal_representation` is experimental
-fn main() {
-    let a = 65_535;
-}

src/test/ui/feature-gates/feature-gate-tool_lints.stderr

@@ -1,11 +0,0 @@
-error[E0658]: scoped lint `clippy::decimal_literal_representation` is experimental (see issue #44690)
-  --> $DIR/feature-gate-tool_lints.rs:11:8
-   |
-LL | #[warn(clippy::decimal_literal_representation)]
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = help: add #![feature(tool_lints)] to the crate attributes to enable
-
-error: aborting due to previous error
-
-For more information about this error, try `rustc --explain E0658`.

src/test/ui/tool_lints-fail.rs

@@ -10,7 +10,7 @@
 
 // Don't allow tool_lints, which aren't scoped
 
-#![feature(tool_lints)]
+
 #![deny(unknown_lints)]
 
 #![deny(clippy)] //~ ERROR: unknown lint: `clippy`

src/test/ui/tool_lints.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 
 #[warn(foo::bar)]
 //~^ ERROR an unknown tool name found in scoped lint: `foo::bar`

src/test/ui/unknown-lint-tool-name.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(tool_lints)]
+
 
 #![deny(foo::bar)] //~ ERROR an unknown tool name found in scoped lint: `foo::bar`