diff --git a/clippy_dev/src/lib.rs b/clippy_dev/src/lib.rs
index 2f91c987cb16..e8d680b69f6b 100644
--- a/clippy_dev/src/lib.rs
+++ b/clippy_dev/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![allow(clippy::default_hash_types)]
 
 use itertools::Itertools;
diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs
index 3779b09ecf33..551434f2922a 100644
--- a/clippy_lints/src/lib.rs
+++ b/clippy_lints/src/lib.rs
@@ -1,16 +1,15 @@
 // error-pattern:cargo-clippy
 
 #![feature(box_syntax)]
+#![feature(crate_visibility_modifier)]
+#![feature(macro_at_most_once_rep)]
+#![feature(range_contains)]
 #![feature(rustc_private)]
 #![feature(slice_patterns)]
 #![feature(stmt_expr_attributes)]
-#![feature(range_contains)]
-#![allow(unknown_lints, clippy::shadow_reuse, clippy::missing_docs_in_private_items)]
 #![recursion_limit = "256"]
-#![feature(macro_at_most_once_rep)]
-#![feature(tool_lints)]
+#![allow(clippy::shadow_reuse, clippy::missing_docs_in_private_items)]
 #![warn(rust_2018_idioms, trivial_casts, trivial_numeric_casts)]
-#![feature(crate_visibility_modifier)]
 
 // FIXME: switch to something more ergonomic here, once available.
 // (currently there is no way to opt into sysroot crates w/o `extern crate`)
diff --git a/src/driver.rs b/src/driver.rs
index 6c442e42d95e..b19e9f76dca8 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -1,8 +1,7 @@
 // error-pattern:yummy
 #![feature(box_syntax)]
 #![feature(rustc_private)]
-#![feature(tool_lints)]
-#![allow(unknown_lints, clippy::missing_docs_in_private_items)]
+#![allow(clippy::missing_docs_in_private_items)]
 
 // FIXME: switch to something more ergonomic here, once available.
 // (currently there is no way to opt into sysroot crates w/o `extern crate`)
diff --git a/src/lib.rs b/src/lib.rs
index bfa44d08703c..b3985a8c47dc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,6 @@
 // error-pattern:cargo-clippy
 #![feature(plugin_registrar)]
 #![feature(rustc_private)]
-#![feature(tool_lints)]
-#![allow(unknown_lints)]
 #![allow(clippy::missing_docs_in_private_items)]
 #![warn(rust_2018_idioms)]
 
diff --git a/src/main.rs b/src/main.rs
index cf26549774c2..dac05f63dc0c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,7 @@
 // error-pattern:yummy
 #![feature(box_syntax)]
 #![feature(rustc_private)]
-#![feature(tool_lints)]
-#![allow(unknown_lints, clippy::missing_docs_in_private_items)]
+#![allow(clippy::missing_docs_in_private_items)]
 
 use rustc_tools_util::*;
 
diff --git a/tests/run-pass/enum-glob-import-crate.rs b/tests/run-pass/enum-glob-import-crate.rs
index 6014558a184f..735566f3151b 100644
--- a/tests/run-pass/enum-glob-import-crate.rs
+++ b/tests/run-pass/enum-glob-import-crate.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::all)]
 #![allow(unused_imports)]
diff --git a/tests/run-pass/ice-1588.rs b/tests/run-pass/ice-1588.rs
index fcda3814e4a8..7fa2ffbc0ab9 100644
--- a/tests/run-pass/ice-1588.rs
+++ b/tests/run-pass/ice-1588.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::all)]
 
diff --git a/tests/run-pass/ice-1969.rs b/tests/run-pass/ice-1969.rs
index 43d6bd8bfbc1..29d130ddcdd6 100644
--- a/tests/run-pass/ice-1969.rs
+++ b/tests/run-pass/ice-1969.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::all)]
 
diff --git a/tests/run-pass/ice-2499.rs b/tests/run-pass/ice-2499.rs
index c6793a78529a..ede082e40ccd 100644
--- a/tests/run-pass/ice-2499.rs
+++ b/tests/run-pass/ice-2499.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(dead_code, clippy::char_lit_as_u8, clippy::needless_bool)]
 
diff --git a/tests/run-pass/ice-2760.rs b/tests/run-pass/ice-2760.rs
index 2e9c6d527c44..e3be3d92b72d 100644
--- a/tests/run-pass/ice-2760.rs
+++ b/tests/run-pass/ice-2760.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused_variables, clippy::blacklisted_name,
          clippy::needless_pass_by_value, dead_code)]
diff --git a/tests/run-pass/ice-2774.rs b/tests/run-pass/ice-2774.rs
index 6b14a2b5e03b..6ef302abf8e3 100644
--- a/tests/run-pass/ice-2774.rs
+++ b/tests/run-pass/ice-2774.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 use std::collections::HashSet;
 
diff --git a/tests/run-pass/ice-700.rs b/tests/run-pass/ice-700.rs
index 3992af2c2802..2f1d7992a109 100644
--- a/tests/run-pass/ice-700.rs
+++ b/tests/run-pass/ice-700.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::all)]
 
diff --git a/tests/run-pass/ice_exacte_size.rs b/tests/run-pass/ice_exacte_size.rs
index 3d25aa504999..669fce8c9cde 100644
--- a/tests/run-pass/ice_exacte_size.rs
+++ b/tests/run-pass/ice_exacte_size.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::all)]
 
diff --git a/tests/run-pass/if_same_then_else.rs b/tests/run-pass/if_same_then_else.rs
index b7536e250285..54fdd9cb61ed 100644
--- a/tests/run-pass/if_same_then_else.rs
+++ b/tests/run-pass/if_same_then_else.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::if_same_then_else)]
 
diff --git a/tests/run-pass/match_same_arms_const.rs b/tests/run-pass/match_same_arms_const.rs
index 59b939f3e018..5eea14e3c9ca 100644
--- a/tests/run-pass/match_same_arms_const.rs
+++ b/tests/run-pass/match_same_arms_const.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::match_same_arms)]
 
diff --git a/tests/run-pass/mut_mut_macro.rs b/tests/run-pass/mut_mut_macro.rs
index bfb9cfc71703..10301eb72c04 100644
--- a/tests/run-pass/mut_mut_macro.rs
+++ b/tests/run-pass/mut_mut_macro.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::mut_mut, clippy::zero_ptr, clippy::cmp_nan)]
 #![allow(dead_code)]
diff --git a/tests/run-pass/needless_borrow_fp.rs b/tests/run-pass/needless_borrow_fp.rs
index 204968e48d0a..8640a799f96b 100644
--- a/tests/run-pass/needless_borrow_fp.rs
+++ b/tests/run-pass/needless_borrow_fp.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[deny(clippy::all)]
 
diff --git a/tests/run-pass/needless_lifetimes_impl_trait.rs b/tests/run-pass/needless_lifetimes_impl_trait.rs
index f727b2547e3c..121010035faa 100644
--- a/tests/run-pass/needless_lifetimes_impl_trait.rs
+++ b/tests/run-pass/needless_lifetimes_impl_trait.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::needless_lifetimes)]
 #![allow(dead_code)]
diff --git a/tests/run-pass/regressions.rs b/tests/run-pass/regressions.rs
index aa4e16d39498..524c204a1f03 100644
--- a/tests/run-pass/regressions.rs
+++ b/tests/run-pass/regressions.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::blacklisted_name)]
 
diff --git a/tests/run-pass/single-match-else.rs b/tests/run-pass/single-match-else.rs
index 379a98fc3ecf..85952e8584ae 100644
--- a/tests/run-pass/single-match-else.rs
+++ b/tests/run-pass/single-match-else.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::single_match_else)]
 
diff --git a/tests/run-pass/used_underscore_binding_macro.rs b/tests/run-pass/used_underscore_binding_macro.rs
index 73f48a96e777..31cb778290f0 100644
--- a/tests/run-pass/used_underscore_binding_macro.rs
+++ b/tests/run-pass/used_underscore_binding_macro.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::useless_attribute)] //issue #2910
 
diff --git a/tests/ui-toml/toml_blacklist/conf_french_blacklisted_name.rs b/tests/ui-toml/toml_blacklist/conf_french_blacklisted_name.rs
index fe533f521d03..ee8c5bee59f0 100644
--- a/tests/ui-toml/toml_blacklist/conf_french_blacklisted_name.rs
+++ b/tests/ui-toml/toml_blacklist/conf_french_blacklisted_name.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code)]
diff --git a/tests/ui-toml/toml_trivially_copy/test.rs b/tests/ui-toml/toml_trivially_copy/test.rs
index 074ca064ab5c..5027513759a1 100644
--- a/tests/ui-toml/toml_trivially_copy/test.rs
+++ b/tests/ui-toml/toml_trivially_copy/test.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![allow(clippy::many_single_char_names)]
 
 #[derive(Copy, Clone)]
diff --git a/tests/ui/absurd-extreme-comparisons.rs b/tests/ui/absurd-extreme-comparisons.rs
index d08c8008ec9a..e7339355d658 100644
--- a/tests/ui/absurd-extreme-comparisons.rs
+++ b/tests/ui/absurd-extreme-comparisons.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::absurd_extreme_comparisons)]
diff --git a/tests/ui/approx_const.rs b/tests/ui/approx_const.rs
index 46ca2fbfb57e..073f31603353 100644
--- a/tests/ui/approx_const.rs
+++ b/tests/ui/approx_const.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::approx_constant)]
diff --git a/tests/ui/arithmetic.rs b/tests/ui/arithmetic.rs
index e7aa9a18b8a0..7ebb0fd6bfe5 100644
--- a/tests/ui/arithmetic.rs
+++ b/tests/ui/arithmetic.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::integer_arithmetic, clippy::float_arithmetic)]
diff --git a/tests/ui/assign_ops.rs b/tests/ui/assign_ops.rs
index 765dbb679905..a82eeca67020 100644
--- a/tests/ui/assign_ops.rs
+++ b/tests/ui/assign_ops.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[allow(dead_code, unused_assignments)]
 #[warn(clippy::assign_op_pattern)]
diff --git a/tests/ui/assign_ops2.rs b/tests/ui/assign_ops2.rs
index c3f5083bb1f9..62be3792853a 100644
--- a/tests/ui/assign_ops2.rs
+++ b/tests/ui/assign_ops2.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[allow(unused_assignments)]
diff --git a/tests/ui/attrs.rs b/tests/ui/attrs.rs
index b1f0ca640aab..d5b1e9a1dc78 100644
--- a/tests/ui/attrs.rs
+++ b/tests/ui/attrs.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::inline_always, clippy::deprecated_semver)]
diff --git a/tests/ui/bit_masks.rs b/tests/ui/bit_masks.rs
index 4111f344b666..60ad5a9f15dc 100644
--- a/tests/ui/bit_masks.rs
+++ b/tests/ui/bit_masks.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 const THREE_BITS : i64 = 7;
diff --git a/tests/ui/blacklisted_name.rs b/tests/ui/blacklisted_name.rs
index 4e2e5388c989..00e29e711372 100644
--- a/tests/ui/blacklisted_name.rs
+++ b/tests/ui/blacklisted_name.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code, clippy::similar_names, clippy::single_match, clippy::toplevel_ref_arg, unused_mut, unused_variables)]
diff --git a/tests/ui/block_in_if_condition.rs b/tests/ui/block_in_if_condition.rs
index dd0e55034370..3d6f384c87c2 100644
--- a/tests/ui/block_in_if_condition.rs
+++ b/tests/ui/block_in_if_condition.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::block_in_if_condition_expr)]
diff --git a/tests/ui/bool_comparison.rs b/tests/ui/bool_comparison.rs
index 144f9f4c631b..ad3b56d6f930 100644
--- a/tests/ui/bool_comparison.rs
+++ b/tests/ui/bool_comparison.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::bool_comparison)]
diff --git a/tests/ui/booleans.rs b/tests/ui/booleans.rs
index eaa686c9a901..5a63bae8cc65 100644
--- a/tests/ui/booleans.rs
+++ b/tests/ui/booleans.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::nonminimal_bool, clippy::logic_bug)]
 
diff --git a/tests/ui/borrow_box.rs b/tests/ui/borrow_box.rs
index 216dbebda673..3ea39a6d0a48 100644
--- a/tests/ui/borrow_box.rs
+++ b/tests/ui/borrow_box.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![deny(clippy::borrowed_box)]
diff --git a/tests/ui/box_vec.rs b/tests/ui/box_vec.rs
index bc5e8361d8bc..5e11f2c137b5 100644
--- a/tests/ui/box_vec.rs
+++ b/tests/ui/box_vec.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/builtin-type-shadow.rs b/tests/ui/builtin-type-shadow.rs
index 56892fc94839..78d0b37053ff 100644
--- a/tests/ui/builtin-type-shadow.rs
+++ b/tests/ui/builtin-type-shadow.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::builtin_type_shadow)]
 
diff --git a/tests/ui/bytecount.rs b/tests/ui/bytecount.rs
index 7211284e4a08..90481fe269f6 100644
--- a/tests/ui/bytecount.rs
+++ b/tests/ui/bytecount.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[deny(clippy::naive_bytecount)]
diff --git a/tests/ui/cast.rs b/tests/ui/cast.rs
index 0668b16ff326..51e6bbb817f4 100644
--- a/tests/ui/cast.rs
+++ b/tests/ui/cast.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::cast_precision_loss, clippy::cast_possible_truncation, clippy::cast_sign_loss, clippy::cast_possible_wrap, clippy::cast_lossless)]
diff --git a/tests/ui/cast_alignment.rs b/tests/ui/cast_alignment.rs
index 1f7606de649d..6308a7c9ae72 100644
--- a/tests/ui/cast_alignment.rs
+++ b/tests/ui/cast_alignment.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 //! Test casts for alignment issues
 
diff --git a/tests/ui/cast_lossless_float.rs b/tests/ui/cast_lossless_float.rs
index 437c4b671200..e48b5ea394ab 100644
--- a/tests/ui/cast_lossless_float.rs
+++ b/tests/ui/cast_lossless_float.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[warn(clippy::cast_lossless)]
 #[allow(clippy::no_effect, clippy::unnecessary_operation)]
diff --git a/tests/ui/cast_lossless_integer.rs b/tests/ui/cast_lossless_integer.rs
index e06e653c6f5d..f27589b49590 100644
--- a/tests/ui/cast_lossless_integer.rs
+++ b/tests/ui/cast_lossless_integer.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #[warn(clippy::cast_lossless)]
 #[allow(clippy::no_effect, clippy::unnecessary_operation)]
 fn main() {
diff --git a/tests/ui/cast_size.rs b/tests/ui/cast_size.rs
index 4c72f57165cb..caaaa30b813b 100644
--- a/tests/ui/cast_size.rs
+++ b/tests/ui/cast_size.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[warn(clippy::cast_precision_loss, clippy::cast_possible_truncation, clippy::cast_sign_loss, clippy::cast_possible_wrap, clippy::cast_lossless)]
 #[allow(clippy::no_effect, clippy::unnecessary_operation)]
diff --git a/tests/ui/char_lit_as_u8.rs b/tests/ui/char_lit_as_u8.rs
index f9937ede3518..2f1797583bbd 100644
--- a/tests/ui/char_lit_as_u8.rs
+++ b/tests/ui/char_lit_as_u8.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::char_lit_as_u8)]
diff --git a/tests/ui/checked_unwrap.rs b/tests/ui/checked_unwrap.rs
index b3979245d363..eea31c3725d4 100644
--- a/tests/ui/checked_unwrap.rs
+++ b/tests/ui/checked_unwrap.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::panicking_unwrap, clippy::unnecessary_unwrap)]
 #![allow(clippy::if_same_then_else)]
diff --git a/tests/ui/clone_on_copy_mut.rs b/tests/ui/clone_on_copy_mut.rs
index 77dffc67670f..1811dc1c996f 100644
--- a/tests/ui/clone_on_copy_mut.rs
+++ b/tests/ui/clone_on_copy_mut.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 pub fn dec_read_dec(i: &mut i32) -> i32 {
     *i -= 1;
diff --git a/tests/ui/cmp_nan.rs b/tests/ui/cmp_nan.rs
index fdebb7da18a3..af92fa37be1f 100644
--- a/tests/ui/cmp_nan.rs
+++ b/tests/ui/cmp_nan.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::cmp_nan)]
diff --git a/tests/ui/cmp_null.rs b/tests/ui/cmp_null.rs
index e10b3e104ec1..e7c316ec4452 100644
--- a/tests/ui/cmp_null.rs
+++ b/tests/ui/cmp_null.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::cmp_null)]
 #![allow(unused_mut)]
diff --git a/tests/ui/cmp_owned.rs b/tests/ui/cmp_owned.rs
index 713975c44041..9a7ed6795b76 100644
--- a/tests/ui/cmp_owned.rs
+++ b/tests/ui/cmp_owned.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::cmp_owned)]
diff --git a/tests/ui/collapsible_if.rs b/tests/ui/collapsible_if.rs
index d40be6319337..bcdab8154c0a 100644
--- a/tests/ui/collapsible_if.rs
+++ b/tests/ui/collapsible_if.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::collapsible_if)]
diff --git a/tests/ui/complex_types.rs b/tests/ui/complex_types.rs
index eac2c07c12ea..a11ec8f140d3 100644
--- a/tests/ui/complex_types.rs
+++ b/tests/ui/complex_types.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::all)]
 #![allow(unused, clippy::needless_pass_by_value)]
diff --git a/tests/ui/copies.rs b/tests/ui/copies.rs
index 064c7fc1c59c..50aebd672b69 100644
--- a/tests/ui/copies.rs
+++ b/tests/ui/copies.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::blacklisted_name, clippy::collapsible_if, clippy::cyclomatic_complexity, clippy::eq_op, clippy::needless_continue,
          clippy::needless_return, clippy::never_loop, clippy::no_effect, clippy::zero_divided_by_zero)]
diff --git a/tests/ui/copy_iterator.rs b/tests/ui/copy_iterator.rs
index 5ccb9910c1e1..a0f5c7d1ac55 100644
--- a/tests/ui/copy_iterator.rs
+++ b/tests/ui/copy_iterator.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::copy_iterator)]
 
diff --git a/tests/ui/cstring.rs b/tests/ui/cstring.rs
index e68874d54097..41a4f30370f7 100644
--- a/tests/ui/cstring.rs
+++ b/tests/ui/cstring.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 fn main() {}
 
diff --git a/tests/ui/cyclomatic_complexity.rs b/tests/ui/cyclomatic_complexity.rs
index 84e2a1b65837..ddc9bb9dd5f1 100644
--- a/tests/ui/cyclomatic_complexity.rs
+++ b/tests/ui/cyclomatic_complexity.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::all)]
 #![warn(clippy::cyclomatic_complexity)]
diff --git a/tests/ui/cyclomatic_complexity_attr_used.rs b/tests/ui/cyclomatic_complexity_attr_used.rs
index fd8be25e6707..95155746fa00 100644
--- a/tests/ui/cyclomatic_complexity_attr_used.rs
+++ b/tests/ui/cyclomatic_complexity_attr_used.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::cyclomatic_complexity)]
 #![warn(unused)]
diff --git a/tests/ui/decimal_literal_representation.rs b/tests/ui/decimal_literal_representation.rs
index 472ea6185717..01c9290fa94d 100644
--- a/tests/ui/decimal_literal_representation.rs
+++ b/tests/ui/decimal_literal_representation.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::decimal_literal_representation)]
diff --git a/tests/ui/default_trait_access.rs b/tests/ui/default_trait_access.rs
index 248b4ec0066e..6c06562aceed 100644
--- a/tests/ui/default_trait_access.rs
+++ b/tests/ui/default_trait_access.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::default_trait_access)]
 
diff --git a/tests/ui/derive.rs b/tests/ui/derive.rs
index ae54c0290bc2..dcb7de7d900d 100644
--- a/tests/ui/derive.rs
+++ b/tests/ui/derive.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(untagged_unions)]
 
diff --git a/tests/ui/diverging_sub_expression.rs b/tests/ui/diverging_sub_expression.rs
index a8284dca3267..670fe0bc2942 100644
--- a/tests/ui/diverging_sub_expression.rs
+++ b/tests/ui/diverging_sub_expression.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(never_type)]
 
diff --git a/tests/ui/dlist.rs b/tests/ui/dlist.rs
index 395ff2174974..f044128a46ee 100644
--- a/tests/ui/dlist.rs
+++ b/tests/ui/dlist.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(alloc)]
 #![feature(associated_type_defaults)]
diff --git a/tests/ui/doc.rs b/tests/ui/doc.rs
index d48007a93471..d89350070162 100644
--- a/tests/ui/doc.rs
+++ b/tests/ui/doc.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 //! This file tests for the DOC_MARKDOWN lint
 
diff --git a/tests/ui/double_neg.rs b/tests/ui/double_neg.rs
index 0ec13900f995..61828f50e8c9 100644
--- a/tests/ui/double_neg.rs
+++ b/tests/ui/double_neg.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::double_neg)]
diff --git a/tests/ui/double_parens.rs b/tests/ui/double_parens.rs
index c217972fa6af..d8536b73b027 100644
--- a/tests/ui/double_parens.rs
+++ b/tests/ui/double_parens.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::double_parens)]
diff --git a/tests/ui/drop_forget_copy.rs b/tests/ui/drop_forget_copy.rs
index aa70490f8ab4..05f6b38cd0af 100644
--- a/tests/ui/drop_forget_copy.rs
+++ b/tests/ui/drop_forget_copy.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::drop_copy, clippy::forget_copy)]
diff --git a/tests/ui/drop_forget_ref.rs b/tests/ui/drop_forget_ref.rs
index bb4781db71b8..fc028f91b667 100644
--- a/tests/ui/drop_forget_ref.rs
+++ b/tests/ui/drop_forget_ref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::drop_ref, clippy::forget_ref)]
diff --git a/tests/ui/duplicate_underscore_argument.rs b/tests/ui/duplicate_underscore_argument.rs
index e54920c1b56d..83228708341e 100644
--- a/tests/ui/duplicate_underscore_argument.rs
+++ b/tests/ui/duplicate_underscore_argument.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::duplicate_underscore_argument)]
diff --git a/tests/ui/duration_subsec.rs b/tests/ui/duration_subsec.rs
index d732a0228d56..9d4c463dadc0 100644
--- a/tests/ui/duration_subsec.rs
+++ b/tests/ui/duration_subsec.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::duration_subsec)]
 
diff --git a/tests/ui/else_if_without_else.rs b/tests/ui/else_if_without_else.rs
index 3776aecf54fa..6711ab96fcb0 100644
--- a/tests/ui/else_if_without_else.rs
+++ b/tests/ui/else_if_without_else.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::all)]
 #![warn(clippy::else_if_without_else)]
diff --git a/tests/ui/empty_enum.rs b/tests/ui/empty_enum.rs
index 3398b71eead9..95a63869f5a4 100644
--- a/tests/ui/empty_enum.rs
+++ b/tests/ui/empty_enum.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code)]
diff --git a/tests/ui/empty_line_after_outer_attribute.rs b/tests/ui/empty_line_after_outer_attribute.rs
index c46a0496a732..d4a026b74f96 100644
--- a/tests/ui/empty_line_after_outer_attribute.rs
+++ b/tests/ui/empty_line_after_outer_attribute.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![warn(clippy::empty_line_after_outer_attr)]
 
 // This should produce a warning
diff --git a/tests/ui/entry.rs b/tests/ui/entry.rs
index 955b0a6e9176..9a65d2a580f5 100644
--- a/tests/ui/entry.rs
+++ b/tests/ui/entry.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused, clippy::needless_pass_by_value)]
 
diff --git a/tests/ui/enum_glob_use.rs b/tests/ui/enum_glob_use.rs
index 47082f8f3e64..0da59246c6c9 100644
--- a/tests/ui/enum_glob_use.rs
+++ b/tests/ui/enum_glob_use.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(unused_imports, dead_code, clippy::missing_docs_in_private_items)]
diff --git a/tests/ui/enum_variants.rs b/tests/ui/enum_variants.rs
index 4ddb7207a30b..f1a0a2eb1817 100644
--- a/tests/ui/enum_variants.rs
+++ b/tests/ui/enum_variants.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(non_ascii_idents)]
 
diff --git a/tests/ui/enums_clike.rs b/tests/ui/enums_clike.rs
index 8212f12b3dbc..5073301dc3e7 100644
--- a/tests/ui/enums_clike.rs
+++ b/tests/ui/enums_clike.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 // ignore-x86
 
diff --git a/tests/ui/eq_op.rs b/tests/ui/eq_op.rs
index a88866436dd5..34272c51383c 100644
--- a/tests/ui/eq_op.rs
+++ b/tests/ui/eq_op.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::eq_op)]
diff --git a/tests/ui/erasing_op.rs b/tests/ui/erasing_op.rs
index 02745ac5d911..1670e5a4025f 100644
--- a/tests/ui/erasing_op.rs
+++ b/tests/ui/erasing_op.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[allow(clippy::no_effect)]
diff --git a/tests/ui/eta.rs b/tests/ui/eta.rs
index 4dd46f20e764..c31890c7b755 100644
--- a/tests/ui/eta.rs
+++ b/tests/ui/eta.rs
@@ -1,6 +1,6 @@
-#![feature(tool_lints)]
 
-#![allow(unknown_lints, unused, clippy::no_effect, clippy::redundant_closure_call, clippy::many_single_char_names, clippy::needless_pass_by_value, clippy::option_map_unit_fn, clippy::trivially_copy_pass_by_ref)]
+
+#![allow(unused, clippy::no_effect, clippy::redundant_closure_call, clippy::many_single_char_names, clippy::needless_pass_by_value, clippy::option_map_unit_fn, clippy::trivially_copy_pass_by_ref)]
 #![warn(clippy::redundant_closure, clippy::needless_borrow)]
 
 fn main() {
diff --git a/tests/ui/eval_order_dependence.rs b/tests/ui/eval_order_dependence.rs
index b240dde06f8e..5ae8253a4ed9 100644
--- a/tests/ui/eval_order_dependence.rs
+++ b/tests/ui/eval_order_dependence.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::eval_order_dependence)]
diff --git a/tests/ui/excessive_precision.rs b/tests/ui/excessive_precision.rs
index 1b3412166d42..4c9825dbcdd6 100644
--- a/tests/ui/excessive_precision.rs
+++ b/tests/ui/excessive_precision.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![warn(clippy::excessive_precision)]
 #![allow(clippy::print_literal)]
 
diff --git a/tests/ui/explicit_write.rs b/tests/ui/explicit_write.rs
index 9d6d13c84c54..4405d5102c4b 100644
--- a/tests/ui/explicit_write.rs
+++ b/tests/ui/explicit_write.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::explicit_write)]
 
diff --git a/tests/ui/fallible_impl_from.rs b/tests/ui/fallible_impl_from.rs
index 5e33cca59fa7..fbf637f4bdbe 100644
--- a/tests/ui/fallible_impl_from.rs
+++ b/tests/ui/fallible_impl_from.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::fallible_impl_from)]
 
diff --git a/tests/ui/filter_methods.rs b/tests/ui/filter_methods.rs
index d7a50a588382..478594d5625f 100644
--- a/tests/ui/filter_methods.rs
+++ b/tests/ui/filter_methods.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all, clippy::pedantic)]
diff --git a/tests/ui/float_cmp.rs b/tests/ui/float_cmp.rs
index d5b02fb706f1..e8fc49994201 100644
--- a/tests/ui/float_cmp.rs
+++ b/tests/ui/float_cmp.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::float_cmp)]
diff --git a/tests/ui/float_cmp_const.rs b/tests/ui/float_cmp_const.rs
index 279400604a29..7fd03ca35de7 100644
--- a/tests/ui/float_cmp_const.rs
+++ b/tests/ui/float_cmp_const.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::float_cmp_const)]
diff --git a/tests/ui/fn_to_numeric_cast.rs b/tests/ui/fn_to_numeric_cast.rs
index fc8aa19dcf03..caface83c97a 100644
--- a/tests/ui/fn_to_numeric_cast.rs
+++ b/tests/ui/fn_to_numeric_cast.rs
@@ -1,5 +1,5 @@
 // only-64bit
-#![feature(tool_lints)]
+
 
 #![warn(clippy::fn_to_numeric_cast, clippy::fn_to_numeric_cast_with_truncation)]
 
diff --git a/tests/ui/for_loop.rs b/tests/ui/for_loop.rs
index 55060b0769d4..408107e8b2c8 100644
--- a/tests/ui/for_loop.rs
+++ b/tests/ui/for_loop.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 use std::collections::*;
diff --git a/tests/ui/format.rs b/tests/ui/format.rs
index 858c9fc8de5c..beccd06820f2 100644
--- a/tests/ui/format.rs
+++ b/tests/ui/format.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![allow(clippy::print_literal)]
 #![warn(clippy::useless_format)]
 
diff --git a/tests/ui/formatting.rs b/tests/ui/formatting.rs
index 74d42f08f5ad..252dab57e0c6 100644
--- a/tests/ui/formatting.rs
+++ b/tests/ui/formatting.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/functions.rs b/tests/ui/functions.rs
index ab5ce5b06d84..884d5e3388e8 100644
--- a/tests/ui/functions.rs
+++ b/tests/ui/functions.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/fxhash.rs b/tests/ui/fxhash.rs
index 1376b9442b68..6a94a0b2f088 100644
--- a/tests/ui/fxhash.rs
+++ b/tests/ui/fxhash.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::default_hash_types)]
 #![feature(rustc_private)]
diff --git a/tests/ui/identity_conversion.rs b/tests/ui/identity_conversion.rs
index b9ad8d06ad50..918c3a04f54f 100644
--- a/tests/ui/identity_conversion.rs
+++ b/tests/ui/identity_conversion.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::identity_conversion)]
 
diff --git a/tests/ui/identity_op.rs b/tests/ui/identity_op.rs
index ae8c66faa416..89f202696ccf 100644
--- a/tests/ui/identity_op.rs
+++ b/tests/ui/identity_op.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 const ONE : i64 = 1;
diff --git a/tests/ui/if_let_redundant_pattern_matching.rs b/tests/ui/if_let_redundant_pattern_matching.rs
index 90265853f002..eab4223e05e2 100644
--- a/tests/ui/if_let_redundant_pattern_matching.rs
+++ b/tests/ui/if_let_redundant_pattern_matching.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/if_not_else.rs b/tests/ui/if_not_else.rs
index bb16e16700b6..c68417fac889 100644
--- a/tests/ui/if_not_else.rs
+++ b/tests/ui/if_not_else.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::all)]
 #![warn(clippy::if_not_else)]
diff --git a/tests/ui/impl.rs b/tests/ui/impl.rs
index 7da0e04e59ef..62d9dce0782f 100644
--- a/tests/ui/impl.rs
+++ b/tests/ui/impl.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(dead_code)]
 #![warn(clippy::multiple_inherent_impl)]
diff --git a/tests/ui/inconsistent_digit_grouping.rs b/tests/ui/inconsistent_digit_grouping.rs
index 056d87611091..ca4f0b375c53 100644
--- a/tests/ui/inconsistent_digit_grouping.rs
+++ b/tests/ui/inconsistent_digit_grouping.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[warn(clippy::inconsistent_digit_grouping)]
 #[allow(unused_variables)]
diff --git a/tests/ui/indexing_slicing.rs b/tests/ui/indexing_slicing.rs
index b9f1c4a4a5d5..32c2db03a35e 100644
--- a/tests/ui/indexing_slicing.rs
+++ b/tests/ui/indexing_slicing.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(plugin)]
 #![warn(clippy::indexing_slicing)]
diff --git a/tests/ui/infallible_destructuring_match.rs b/tests/ui/infallible_destructuring_match.rs
index b3e2835d72f1..a206d23378fd 100644
--- a/tests/ui/infallible_destructuring_match.rs
+++ b/tests/ui/infallible_destructuring_match.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(exhaustive_patterns, never_type)]
 #![allow(clippy::let_and_return)]
diff --git a/tests/ui/infinite_iter.rs b/tests/ui/infinite_iter.rs
index 44fa934aa26a..822eac5a5de9 100644
--- a/tests/ui/infinite_iter.rs
+++ b/tests/ui/infinite_iter.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 use std::iter::repeat;
 #[allow(clippy::trivially_copy_pass_by_ref)]
diff --git a/tests/ui/infinite_loop.rs b/tests/ui/infinite_loop.rs
index 9449a295e3ac..f35387717ea5 100644
--- a/tests/ui/infinite_loop.rs
+++ b/tests/ui/infinite_loop.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::trivially_copy_pass_by_ref)]
 
diff --git a/tests/ui/inline_fn_without_body.rs b/tests/ui/inline_fn_without_body.rs
index 830da6d11243..5be50b65d0ab 100644
--- a/tests/ui/inline_fn_without_body.rs
+++ b/tests/ui/inline_fn_without_body.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::inline_fn_without_body)]
diff --git a/tests/ui/int_plus_one.rs b/tests/ui/int_plus_one.rs
index 1eb0e49290f4..56ffc887d966 100644
--- a/tests/ui/int_plus_one.rs
+++ b/tests/ui/int_plus_one.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[allow(clippy::no_effect, clippy::unnecessary_operation)]
diff --git a/tests/ui/invalid_upcast_comparisons.rs b/tests/ui/invalid_upcast_comparisons.rs
index 0a700518f8f4..3ce613a8ebac 100644
--- a/tests/ui/invalid_upcast_comparisons.rs
+++ b/tests/ui/invalid_upcast_comparisons.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::invalid_upcast_comparisons)]
diff --git a/tests/ui/issue_2356.rs b/tests/ui/issue_2356.rs
index 398e0d1d1f05..c88f84de7614 100644
--- a/tests/ui/issue_2356.rs
+++ b/tests/ui/issue_2356.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::while_let_on_iterator)]
 
diff --git a/tests/ui/item_after_statement.rs b/tests/ui/item_after_statement.rs
index 9626a59ed02c..fc853b4479d3 100644
--- a/tests/ui/item_after_statement.rs
+++ b/tests/ui/item_after_statement.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::items_after_statements)]
 
diff --git a/tests/ui/large_digit_groups.rs b/tests/ui/large_digit_groups.rs
index af569ea7566f..1017a4833d84 100644
--- a/tests/ui/large_digit_groups.rs
+++ b/tests/ui/large_digit_groups.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[warn(clippy::large_digit_groups)]
 #[allow(unused_variables)]
diff --git a/tests/ui/large_enum_variant.rs b/tests/ui/large_enum_variant.rs
index cd1772ad1d1d..edd12afb2f9d 100644
--- a/tests/ui/large_enum_variant.rs
+++ b/tests/ui/large_enum_variant.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code)]
diff --git a/tests/ui/len_zero.rs b/tests/ui/len_zero.rs
index b188db5186ee..f7b7b4126757 100644
--- a/tests/ui/len_zero.rs
+++ b/tests/ui/len_zero.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::len_without_is_empty, clippy::len_zero)]
 #![allow(dead_code, unused)]
diff --git a/tests/ui/let_if_seq.rs b/tests/ui/let_if_seq.rs
index 102b72f3e253..32e767692820 100644
--- a/tests/ui/let_if_seq.rs
+++ b/tests/ui/let_if_seq.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(unused_variables, unused_assignments, clippy::similar_names, clippy::blacklisted_name)]
diff --git a/tests/ui/let_return.rs b/tests/ui/let_return.rs
index 9b584d6e293c..68f1b15c7830 100644
--- a/tests/ui/let_return.rs
+++ b/tests/ui/let_return.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused)]
 
diff --git a/tests/ui/let_unit.rs b/tests/ui/let_unit.rs
index 187ff9d1358e..f793c02aca30 100644
--- a/tests/ui/let_unit.rs
+++ b/tests/ui/let_unit.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::let_unit_value)]
diff --git a/tests/ui/lifetimes.rs b/tests/ui/lifetimes.rs
index aa5640f4e228..92398a812106 100644
--- a/tests/ui/lifetimes.rs
+++ b/tests/ui/lifetimes.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::needless_lifetimes, clippy::extra_unused_lifetimes)]
diff --git a/tests/ui/literals.rs b/tests/ui/literals.rs
index 7a9efaeec845..2b4df2e45e0d 100644
--- a/tests/ui/literals.rs
+++ b/tests/ui/literals.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::mixed_case_hex_literals)]
 #![warn(clippy::unseparated_literal_suffix)]
diff --git a/tests/ui/map_clone.rs b/tests/ui/map_clone.rs
index 11a5316a367e..80c6fb8e605a 100644
--- a/tests/ui/map_clone.rs
+++ b/tests/ui/map_clone.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(clippy::missing_docs_in_private_items)]
 
@@ -7,3 +7,4 @@ fn main() {
     let _: Vec<String> = vec![String::new()].iter().map(|x| x.clone()).collect();
     let _: Vec<u32> = vec![42, 43].iter().map(|&x| x).collect();
 }
+
diff --git a/tests/ui/map_flatten.rs b/tests/ui/map_flatten.rs
index c5cf24d9bb01..f82afe504911 100644
--- a/tests/ui/map_flatten.rs
+++ b/tests/ui/map_flatten.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(clippy::missing_docs_in_private_items)]
 
diff --git a/tests/ui/matches.rs b/tests/ui/matches.rs
index 92befb25a7e3..f40eec474a57 100644
--- a/tests/ui/matches.rs
+++ b/tests/ui/matches.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![feature(exclusive_range_pattern)]
 
 
diff --git a/tests/ui/mem_forget.rs b/tests/ui/mem_forget.rs
index 96d333a7170d..13c6aec10e1a 100644
--- a/tests/ui/mem_forget.rs
+++ b/tests/ui/mem_forget.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 
diff --git a/tests/ui/mem_replace.rs b/tests/ui/mem_replace.rs
index 62df42ef2d29..f0ba1b0be021 100644
--- a/tests/ui/mem_replace.rs
+++ b/tests/ui/mem_replace.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![warn(clippy::all, clippy::style, clippy::mem_replace_option_with_none)]
 
 use std::mem;
diff --git a/tests/ui/methods.rs b/tests/ui/methods.rs
index 7faa45b987da..a2c1f022759a 100644
--- a/tests/ui/methods.rs
+++ b/tests/ui/methods.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all, clippy::pedantic, clippy::option_unwrap_used)]
diff --git a/tests/ui/min_max.rs b/tests/ui/min_max.rs
index 9866933f9feb..e4d2166c9e2e 100644
--- a/tests/ui/min_max.rs
+++ b/tests/ui/min_max.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/missing-doc.rs b/tests/ui/missing-doc.rs
index 6968adb312ba..79776edded45 100644
--- a/tests/ui/missing-doc.rs
+++ b/tests/ui/missing-doc.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 /* This file incorporates work covered by the following copyright and
  * permission notice:
diff --git a/tests/ui/missing_inline.rs b/tests/ui/missing_inline.rs
index 7fbb01c6d2b8..a03c491170e5 100644
--- a/tests/ui/missing_inline.rs
+++ b/tests/ui/missing_inline.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 /* This file incorporates work covered by the following copyright and
  * permission notice:
diff --git a/tests/ui/module_inception.rs b/tests/ui/module_inception.rs
index b6917020ea26..4a24830d85ca 100644
--- a/tests/ui/module_inception.rs
+++ b/tests/ui/module_inception.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::module_inception)]
 
diff --git a/tests/ui/modulo_one.rs b/tests/ui/modulo_one.rs
index 7dcec04baf98..299ac360a145 100644
--- a/tests/ui/modulo_one.rs
+++ b/tests/ui/modulo_one.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::modulo_one)]
 #![allow(clippy::no_effect, clippy::unnecessary_operation)]
diff --git a/tests/ui/mut_from_ref.rs b/tests/ui/mut_from_ref.rs
index b75fa92f0982..8e45996802c7 100644
--- a/tests/ui/mut_from_ref.rs
+++ b/tests/ui/mut_from_ref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused, clippy::trivially_copy_pass_by_ref)]
 #![warn(clippy::mut_from_ref)]
diff --git a/tests/ui/mut_mut.rs b/tests/ui/mut_mut.rs
index 4656d27648f3..bb7262cddc8c 100644
--- a/tests/ui/mut_mut.rs
+++ b/tests/ui/mut_mut.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(unused, clippy::no_effect, clippy::unnecessary_operation)]
diff --git a/tests/ui/mut_reference.rs b/tests/ui/mut_reference.rs
index 38b0e25e07cb..bbd0f4ea54b5 100644
--- a/tests/ui/mut_reference.rs
+++ b/tests/ui/mut_reference.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(unused_variables, clippy::trivially_copy_pass_by_ref)]
diff --git a/tests/ui/mutex_atomic.rs b/tests/ui/mutex_atomic.rs
index 3eefbb97ab87..eb4874be57bd 100644
--- a/tests/ui/mutex_atomic.rs
+++ b/tests/ui/mutex_atomic.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/needless_bool.rs b/tests/ui/needless_bool.rs
index 4e6f65ed0ddd..0dfefab9539f 100644
--- a/tests/ui/needless_bool.rs
+++ b/tests/ui/needless_bool.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::needless_bool)]
 
diff --git a/tests/ui/needless_borrow.rs b/tests/ui/needless_borrow.rs
index 61384c43fa91..767604523eab 100644
--- a/tests/ui/needless_borrow.rs
+++ b/tests/ui/needless_borrow.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 use std::borrow::Cow;
 
diff --git a/tests/ui/needless_borrowed_ref.rs b/tests/ui/needless_borrowed_ref.rs
index 000ecd32da4e..251a874aa38c 100644
--- a/tests/ui/needless_borrowed_ref.rs
+++ b/tests/ui/needless_borrowed_ref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::needless_borrowed_reference)]
diff --git a/tests/ui/needless_collect.rs b/tests/ui/needless_collect.rs
index b001f20d5279..bd828241c923 100644
--- a/tests/ui/needless_collect.rs
+++ b/tests/ui/needless_collect.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 use std::collections::{HashMap, HashSet, BTreeSet};
 
diff --git a/tests/ui/needless_continue.rs b/tests/ui/needless_continue.rs
index 4fe523e48dea..38019ee68ff4 100644
--- a/tests/ui/needless_continue.rs
+++ b/tests/ui/needless_continue.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 macro_rules! zero {
diff --git a/tests/ui/needless_pass_by_value.rs b/tests/ui/needless_pass_by_value.rs
index 31ad96942d66..c400206fc982 100644
--- a/tests/ui/needless_pass_by_value.rs
+++ b/tests/ui/needless_pass_by_value.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::needless_pass_by_value)]
 #![allow(dead_code, clippy::single_match, clippy::if_let_redundant_pattern_matching, clippy::many_single_char_names, clippy::option_option)]
diff --git a/tests/ui/needless_pass_by_value_proc_macro.rs b/tests/ui/needless_pass_by_value_proc_macro.rs
index 6b1305fa2d8f..e78e20118ff6 100644
--- a/tests/ui/needless_pass_by_value_proc_macro.rs
+++ b/tests/ui/needless_pass_by_value_proc_macro.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![crate_type = "proc-macro"]
 #![warn(clippy::needless_pass_by_value)]
diff --git a/tests/ui/needless_return.rs b/tests/ui/needless_return.rs
index a834563eca31..37d08a552701 100644
--- a/tests/ui/needless_return.rs
+++ b/tests/ui/needless_return.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::needless_return)]
diff --git a/tests/ui/needless_update.rs b/tests/ui/needless_update.rs
index 675c60e24774..b73d18848021 100644
--- a/tests/ui/needless_update.rs
+++ b/tests/ui/needless_update.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::needless_update)]
diff --git a/tests/ui/neg_cmp_op_on_partial_ord.rs b/tests/ui/neg_cmp_op_on_partial_ord.rs
index 3a472bf69957..ca1621a78cae 100644
--- a/tests/ui/neg_cmp_op_on_partial_ord.rs
+++ b/tests/ui/neg_cmp_op_on_partial_ord.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 //! This test case utilizes `f64` an easy example for `PartialOrd` only types
 //! but the lint itself actually validates any expression where the left
diff --git a/tests/ui/neg_multiply.rs b/tests/ui/neg_multiply.rs
index b1a1879a3fc8..5ac2d2d6e524 100644
--- a/tests/ui/neg_multiply.rs
+++ b/tests/ui/neg_multiply.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::neg_multiply)]
diff --git a/tests/ui/never_loop.rs b/tests/ui/never_loop.rs
index bb6d76b06cd2..7da58d2bf527 100644
--- a/tests/ui/never_loop.rs
+++ b/tests/ui/never_loop.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::single_match, unused_assignments, unused_variables, clippy::while_immutable_condition)]
 
diff --git a/tests/ui/new_without_default.rs b/tests/ui/new_without_default.rs
index bf63e9336e57..184510a9d4b3 100644
--- a/tests/ui/new_without_default.rs
+++ b/tests/ui/new_without_default.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(const_fn)]
 
diff --git a/tests/ui/no_effect.rs b/tests/ui/no_effect.rs
index 2913ecdbf598..77a696c0d92c 100644
--- a/tests/ui/no_effect.rs
+++ b/tests/ui/no_effect.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(box_syntax)]
 
diff --git a/tests/ui/non_copy_const.rs b/tests/ui/non_copy_const.rs
index 4e086333b0ca..e38444f57bee 100644
--- a/tests/ui/non_copy_const.rs
+++ b/tests/ui/non_copy_const.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(const_string_new, const_vec_new)]
 #![allow(clippy::ref_in_deref, dead_code)]
diff --git a/tests/ui/non_expressive_names.rs b/tests/ui/non_expressive_names.rs
index e8b0021e3019..0159bef2c3ae 100644
--- a/tests/ui/non_expressive_names.rs
+++ b/tests/ui/non_expressive_names.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::all,clippy::similar_names)]
 #![allow(unused, clippy::println_empty_string)]
diff --git a/tests/ui/ok_if_let.rs b/tests/ui/ok_if_let.rs
index 46d85bb9cd0f..f22a80e5f574 100644
--- a/tests/ui/ok_if_let.rs
+++ b/tests/ui/ok_if_let.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::if_let_some_result)]
diff --git a/tests/ui/op_ref.rs b/tests/ui/op_ref.rs
index a85a2c8bb515..b8395cabffa6 100644
--- a/tests/ui/op_ref.rs
+++ b/tests/ui/op_ref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(unused_variables, clippy::blacklisted_name)]
diff --git a/tests/ui/open_options.rs b/tests/ui/open_options.rs
index 38b3dd7e49d0..ba31e8b19c00 100644
--- a/tests/ui/open_options.rs
+++ b/tests/ui/open_options.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 use std::fs::OpenOptions;
 
diff --git a/tests/ui/option_map_unit_fn.rs b/tests/ui/option_map_unit_fn.rs
index e86cc99c522f..3fee30307533 100644
--- a/tests/ui/option_map_unit_fn.rs
+++ b/tests/ui/option_map_unit_fn.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::option_map_unit_fn)]
 #![allow(unused)]
diff --git a/tests/ui/overflow_check_conditional.rs b/tests/ui/overflow_check_conditional.rs
index 5c3cc5b08a9f..6aac23614ee0 100644
--- a/tests/ui/overflow_check_conditional.rs
+++ b/tests/ui/overflow_check_conditional.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(clippy::many_single_char_names)]
diff --git a/tests/ui/panic_unimplemented.rs b/tests/ui/panic_unimplemented.rs
index 693dc921be3c..13467e75cf77 100644
--- a/tests/ui/panic_unimplemented.rs
+++ b/tests/ui/panic_unimplemented.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::panic_params, clippy::unimplemented)]
diff --git a/tests/ui/patterns.rs b/tests/ui/patterns.rs
index 70f86afbacb8..b67350eb9c62 100644
--- a/tests/ui/patterns.rs
+++ b/tests/ui/patterns.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused)]
 #![warn(clippy::all)]
diff --git a/tests/ui/precedence.rs b/tests/ui/precedence.rs
index 95476dd4f516..9bd0f775f448 100644
--- a/tests/ui/precedence.rs
+++ b/tests/ui/precedence.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::precedence)]
diff --git a/tests/ui/print.rs b/tests/ui/print.rs
index cee3e7000364..92603e592553 100644
--- a/tests/ui/print.rs
+++ b/tests/ui/print.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::print_literal, clippy::write_literal)]
 #![warn(clippy::print_stdout, clippy::use_debug)]
diff --git a/tests/ui/print_literal.rs b/tests/ui/print_literal.rs
index 46b91d40f8cf..835b53699b8b 100644
--- a/tests/ui/print_literal.rs
+++ b/tests/ui/print_literal.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::print_literal)]
 
diff --git a/tests/ui/print_with_newline.rs b/tests/ui/print_with_newline.rs
index c2c79c726e8a..2f2700a977de 100644
--- a/tests/ui/print_with_newline.rs
+++ b/tests/ui/print_with_newline.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::print_literal)]
 #![warn(clippy::print_with_newline)]
diff --git a/tests/ui/ptr_arg.rs b/tests/ui/ptr_arg.rs
index 7cd3c9f9c722..be9e82eec4c8 100644
--- a/tests/ui/ptr_arg.rs
+++ b/tests/ui/ptr_arg.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused, clippy::many_single_char_names)]
 #![warn(clippy::ptr_arg)]
diff --git a/tests/ui/range.rs b/tests/ui/range.rs
index df3ce12689b2..bf264b8a4a51 100644
--- a/tests/ui/range.rs
+++ b/tests/ui/range.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 struct NotARange;
 impl NotARange {
diff --git a/tests/ui/range_plus_minus_one.rs b/tests/ui/range_plus_minus_one.rs
index 1ee3637f266d..c4f3677fcd60 100644
--- a/tests/ui/range_plus_minus_one.rs
+++ b/tests/ui/range_plus_minus_one.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 fn f() -> usize {
     42
diff --git a/tests/ui/redundant_closure_call.rs b/tests/ui/redundant_closure_call.rs
index b09ed9a35743..e52088ca5263 100644
--- a/tests/ui/redundant_closure_call.rs
+++ b/tests/ui/redundant_closure_call.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::redundant_closure_call)]
diff --git a/tests/ui/redundant_field_names.rs b/tests/ui/redundant_field_names.rs
index b379aa661cb6..8f03bfae8cd4 100644
--- a/tests/ui/redundant_field_names.rs
+++ b/tests/ui/redundant_field_names.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::redundant_field_names)]
 #![allow(unused_variables)]
diff --git a/tests/ui/reference.rs b/tests/ui/reference.rs
index 97a0030a99a4..aeb24b914959 100644
--- a/tests/ui/reference.rs
+++ b/tests/ui/reference.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 fn get_number() -> usize {
diff --git a/tests/ui/regex.rs b/tests/ui/regex.rs
index e3837e104f42..a2a7afe1bc5f 100644
--- a/tests/ui/regex.rs
+++ b/tests/ui/regex.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(unused)]
diff --git a/tests/ui/replace_consts.rs b/tests/ui/replace_consts.rs
index 8420b368d3dc..4007d46d57a9 100644
--- a/tests/ui/replace_consts.rs
+++ b/tests/ui/replace_consts.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(integer_atomics)]
 #![allow(clippy::blacklisted_name)]
diff --git a/tests/ui/result_map_unit_fn.rs b/tests/ui/result_map_unit_fn.rs
index 8cac6a9c827f..c9c93c61133a 100644
--- a/tests/ui/result_map_unit_fn.rs
+++ b/tests/ui/result_map_unit_fn.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(never_type)]
 #![warn(clippy::result_map_unit_fn)]
diff --git a/tests/ui/serde.rs b/tests/ui/serde.rs
index 65c2c344da70..79c088b141ad 100644
--- a/tests/ui/serde.rs
+++ b/tests/ui/serde.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::serde_api_misuse)]
 #![allow(dead_code)]
diff --git a/tests/ui/shadow.rs b/tests/ui/shadow.rs
index c73acf5c5dd8..eada01f2c1f1 100644
--- a/tests/ui/shadow.rs
+++ b/tests/ui/shadow.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all, clippy::pedantic, clippy::shadow_same, clippy::shadow_reuse, clippy::shadow_unrelated)]
diff --git a/tests/ui/short_circuit_statement.rs b/tests/ui/short_circuit_statement.rs
index e9cb8e4ad8c1..44ee30c2e239 100644
--- a/tests/ui/short_circuit_statement.rs
+++ b/tests/ui/short_circuit_statement.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::short_circuit_statement)]
diff --git a/tests/ui/single_char_pattern.rs b/tests/ui/single_char_pattern.rs
index c4e88e9ee2bc..b5e42419d163 100644
--- a/tests/ui/single_char_pattern.rs
+++ b/tests/ui/single_char_pattern.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 use std::collections::HashSet;
 
diff --git a/tests/ui/single_match.rs b/tests/ui/single_match.rs
index c0c82adafb55..2ae6be096e43 100644
--- a/tests/ui/single_match.rs
+++ b/tests/ui/single_match.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::single_match)]
 
diff --git a/tests/ui/starts_ends_with.rs b/tests/ui/starts_ends_with.rs
index adea56cf9a28..6d736c1d8f26 100644
--- a/tests/ui/starts_ends_with.rs
+++ b/tests/ui/starts_ends_with.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(dead_code)]
 
diff --git a/tests/ui/strings.rs b/tests/ui/strings.rs
index 86819e3fd5cd..90d577e6f651 100644
--- a/tests/ui/strings.rs
+++ b/tests/ui/strings.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::string_add)]
diff --git a/tests/ui/stutter.rs b/tests/ui/stutter.rs
index de67bb1aff5e..7c80ff9e656c 100644
--- a/tests/ui/stutter.rs
+++ b/tests/ui/stutter.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::stutter)]
 #![allow(dead_code)]
diff --git a/tests/ui/suspicious_arithmetic_impl.rs b/tests/ui/suspicious_arithmetic_impl.rs
index 04e235c690bc..2a4460441025 100644
--- a/tests/ui/suspicious_arithmetic_impl.rs
+++ b/tests/ui/suspicious_arithmetic_impl.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::suspicious_arithmetic_impl)]
diff --git a/tests/ui/swap.rs b/tests/ui/swap.rs
index 377319e8faa2..48a183505929 100644
--- a/tests/ui/swap.rs
+++ b/tests/ui/swap.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/temporary_assignment.rs b/tests/ui/temporary_assignment.rs
index 1d0cffcfc0a7..394af8a0687c 100644
--- a/tests/ui/temporary_assignment.rs
+++ b/tests/ui/temporary_assignment.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::temporary_assignment)]
diff --git a/tests/ui/toplevel_ref_arg.rs b/tests/ui/toplevel_ref_arg.rs
index 86eb7fa5565a..0b81ea4aae11 100644
--- a/tests/ui/toplevel_ref_arg.rs
+++ b/tests/ui/toplevel_ref_arg.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::all)]
diff --git a/tests/ui/transmute.rs b/tests/ui/transmute.rs
index 34d50da11ca8..b9ee8b8484de 100644
--- a/tests/ui/transmute.rs
+++ b/tests/ui/transmute.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code)]
diff --git a/tests/ui/transmute_64bit.rs b/tests/ui/transmute_64bit.rs
index 539b403cff96..ee962d38e2ff 100644
--- a/tests/ui/transmute_64bit.rs
+++ b/tests/ui/transmute_64bit.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 //ignore-x86
 //no-ignore-x86_64
diff --git a/tests/ui/trivially_copy_pass_by_ref.rs b/tests/ui/trivially_copy_pass_by_ref.rs
index e3dbe510a47e..087cc04d2f31 100644
--- a/tests/ui/trivially_copy_pass_by_ref.rs
+++ b/tests/ui/trivially_copy_pass_by_ref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::many_single_char_names, clippy::blacklisted_name, clippy::redundant_field_names)]
 
diff --git a/tests/ui/unicode.rs b/tests/ui/unicode.rs
index b997d6d3f144..95468c16e36d 100644
--- a/tests/ui/unicode.rs
+++ b/tests/ui/unicode.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[warn(clippy::zero_width_space)]
diff --git a/tests/ui/unit_arg.rs b/tests/ui/unit_arg.rs
index 2f743f227b89..70e376a50360 100644
--- a/tests/ui/unit_arg.rs
+++ b/tests/ui/unit_arg.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::unit_arg)]
 #![allow(clippy::no_effect)]
diff --git a/tests/ui/unit_cmp.rs b/tests/ui/unit_cmp.rs
index bd79d0f81897..8314ebaf17e4 100644
--- a/tests/ui/unit_cmp.rs
+++ b/tests/ui/unit_cmp.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::unit_cmp)]
diff --git a/tests/ui/unnecessary_clone.rs b/tests/ui/unnecessary_clone.rs
index 7a2fc4ac1f68..cf933e853b27 100644
--- a/tests/ui/unnecessary_clone.rs
+++ b/tests/ui/unnecessary_clone.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::clone_on_ref_ptr)]
 #![allow(unused)]
diff --git a/tests/ui/unnecessary_ref.rs b/tests/ui/unnecessary_ref.rs
index afc920832cee..80f54308ed02 100644
--- a/tests/ui/unnecessary_ref.rs
+++ b/tests/ui/unnecessary_ref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![feature(tool_attributes)]
 #![feature(stmt_expr_attributes)]
diff --git a/tests/ui/unneeded_field_pattern.rs b/tests/ui/unneeded_field_pattern.rs
index 88b91235df62..ce6a8afce6b0 100644
--- a/tests/ui/unneeded_field_pattern.rs
+++ b/tests/ui/unneeded_field_pattern.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::unneeded_field_pattern)]
diff --git a/tests/ui/unreadable_literal.rs b/tests/ui/unreadable_literal.rs
index df3539e38e88..9808d99dd9ef 100644
--- a/tests/ui/unreadable_literal.rs
+++ b/tests/ui/unreadable_literal.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #[warn(clippy::unreadable_literal)]
 #[allow(unused_variables)]
diff --git a/tests/ui/unsafe_removed_from_name.rs b/tests/ui/unsafe_removed_from_name.rs
index 41b98975d532..4492515550ad 100644
--- a/tests/ui/unsafe_removed_from_name.rs
+++ b/tests/ui/unsafe_removed_from_name.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused_imports)]
 #![allow(dead_code)]
diff --git a/tests/ui/unused_io_amount.rs b/tests/ui/unused_io_amount.rs
index 53bcbce9dbf0..5b98558bb313 100644
--- a/tests/ui/unused_io_amount.rs
+++ b/tests/ui/unused_io_amount.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code)]
diff --git a/tests/ui/unused_labels.rs b/tests/ui/unused_labels.rs
index b76fcad16999..93f85d06681a 100644
--- a/tests/ui/unused_labels.rs
+++ b/tests/ui/unused_labels.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![allow(dead_code, clippy::items_after_statements, clippy::never_loop)]
diff --git a/tests/ui/unused_lt.rs b/tests/ui/unused_lt.rs
index e5c5e8935040..f56a1a45a4aa 100644
--- a/tests/ui/unused_lt.rs
+++ b/tests/ui/unused_lt.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused, dead_code, clippy::needless_lifetimes, clippy::needless_pass_by_value, clippy::trivially_copy_pass_by_ref)]
 #![warn(clippy::extra_unused_lifetimes)]
diff --git a/tests/ui/unwrap_or.rs b/tests/ui/unwrap_or.rs
index 682c42dc9351..6f7a4750d702 100644
--- a/tests/ui/unwrap_or.rs
+++ b/tests/ui/unwrap_or.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 #![warn(clippy::all)]
 
 fn main() {
diff --git a/tests/ui/use_self.rs b/tests/ui/use_self.rs
index 8d18d848ae0e..7c6cb4897c56 100644
--- a/tests/ui/use_self.rs
+++ b/tests/ui/use_self.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::use_self)]
 #![allow(dead_code)]
diff --git a/tests/ui/used_underscore_binding.rs b/tests/ui/used_underscore_binding.rs
index c1e1c9af5dbd..1f19bb65eb36 100644
--- a/tests/ui/used_underscore_binding.rs
+++ b/tests/ui/used_underscore_binding.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::all)]
 
diff --git a/tests/ui/useless_asref.rs b/tests/ui/useless_asref.rs
index 52994566e091..04d4ae96992b 100644
--- a/tests/ui/useless_asref.rs
+++ b/tests/ui/useless_asref.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![deny(clippy::useless_asref)]
 #![allow(clippy::trivially_copy_pass_by_ref)]
diff --git a/tests/ui/useless_attribute.rs b/tests/ui/useless_attribute.rs
index 80d4ebcedba7..c03e2cc893c0 100644
--- a/tests/ui/useless_attribute.rs
+++ b/tests/ui/useless_attribute.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![warn(clippy::useless_attribute)]
 
diff --git a/tests/ui/vec.rs b/tests/ui/vec.rs
index 78a49f2580a4..c1ed953f4d39 100644
--- a/tests/ui/vec.rs
+++ b/tests/ui/vec.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::useless_vec)]
diff --git a/tests/ui/while_loop.rs b/tests/ui/while_loop.rs
index 0b8691d57b43..acc22c1ca3e7 100644
--- a/tests/ui/while_loop.rs
+++ b/tests/ui/while_loop.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::while_let_loop, clippy::empty_loop, clippy::while_let_on_iterator)]
diff --git a/tests/ui/write_literal.rs b/tests/ui/write_literal.rs
index 5ef4c15f4094..63e91bf27901 100644
--- a/tests/ui/write_literal.rs
+++ b/tests/ui/write_literal.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused_must_use)]
 #![warn(clippy::write_literal)]
diff --git a/tests/ui/write_with_newline.rs b/tests/ui/write_with_newline.rs
index 58e6002fa6a1..eee1bfa23bdd 100644
--- a/tests/ui/write_with_newline.rs
+++ b/tests/ui/write_with_newline.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(clippy::write_literal)]
 #![warn(clippy::write_with_newline)]
diff --git a/tests/ui/writeln_empty_string.rs b/tests/ui/writeln_empty_string.rs
index 81dfdcdc0d0a..5d9a355d4450 100644
--- a/tests/ui/writeln_empty_string.rs
+++ b/tests/ui/writeln_empty_string.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 #![allow(unused_must_use)]
 #![warn(clippy::writeln_empty_string)]
diff --git a/tests/ui/wrong_self_convention.rs b/tests/ui/wrong_self_convention.rs
index 2fb33d08619a..eefac342c6e1 100644
--- a/tests/ui/wrong_self_convention.rs
+++ b/tests/ui/wrong_self_convention.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #![warn(clippy::wrong_self_convention)]
diff --git a/tests/ui/zero_div_zero.rs b/tests/ui/zero_div_zero.rs
index 7927e8b8ac7c..d97784ee7e5c 100644
--- a/tests/ui/zero_div_zero.rs
+++ b/tests/ui/zero_div_zero.rs
@@ -1,4 +1,4 @@
-#![feature(tool_lints)]
+
 
 
 #[allow(unused_variables)]