diff --git a/clippy_lints/src/booleans.rs b/clippy_lints/src/booleans.rs
index 4a83d35a568..6f12d34e66b 100644
--- a/clippy_lints/src/booleans.rs
+++ b/clippy_lints/src/booleans.rs
@@ -116,7 +116,7 @@ impl<'a, 'tcx, 'v> Hir2Qmm<'a, 'tcx, 'v> {
         // prevent folding of `cfg!` macros and the like
         if !e.span.from_expansion() {
             match &e.kind {
-                ExprKind::Unary(UnOp::Not, inner) => return Ok(Bool::Not(box self.run(inner)?)),
+                ExprKind::Unary(UnOp::Not, inner) => return Ok(Bool::Not(Box::new(self.run(inner)?))),
                 ExprKind::Binary(binop, lhs, rhs) => match &binop.node {
                     BinOpKind::Or => {
                         return Ok(Bool::Or(self.extract(BinOpKind::Or, &[lhs, rhs], Vec::new())?));
diff --git a/clippy_lints/src/doc.rs b/clippy_lints/src/doc.rs
index 75561cfde36..cb2b7f5be70 100644
--- a/clippy_lints/src/doc.rs
+++ b/clippy_lints/src/doc.rs
@@ -578,8 +578,8 @@ fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) {
                 let filename = FileName::anon_source_code(&code);
 
                 let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
-                let emitter = EmitterWriter::new(box io::sink(), None, false, false, false, None, false);
-                let handler = Handler::with_emitter(false, None, box emitter);
+                let emitter = EmitterWriter::new(Box::new(io::sink()), None, false, false, false, None, false);
+                let handler = Handler::with_emitter(false, None, Box::new(emitter));
                 let sess = ParseSess::with_span_handler(handler, sm);
 
                 let mut parser = match maybe_new_parser_from_source_str(&sess, filename, code) {
diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs
index 6f73a00d1f7..19719502870 100644
--- a/clippy_lints/src/lib.rs
+++ b/clippy_lints/src/lib.rs
@@ -1,7 +1,6 @@
 // error-pattern:cargo-clippy
 
 #![feature(box_patterns)]
-#![feature(box_syntax)]
 #![feature(drain_filter)]
 #![feature(in_band_lifetimes)]
 #![feature(iter_zip)]
@@ -393,9 +392,9 @@ use crate::utils::conf::TryConf;
 /// Used in `./src/driver.rs`.
 pub fn register_pre_expansion_lints(store: &mut rustc_lint::LintStore) {
     // NOTE: Do not add any more pre-expansion passes. These should be removed eventually.
-    store.register_pre_expansion_pass(|| box write::Write::default());
-    store.register_pre_expansion_pass(|| box attrs::EarlyAttributes);
-    store.register_pre_expansion_pass(|| box dbg_macro::DbgMacro);
+    store.register_pre_expansion_pass(|| Box::new(write::Write::default()));
+    store.register_pre_expansion_pass(|| Box::new(attrs::EarlyAttributes));
+    store.register_pre_expansion_pass(|| Box::new(dbg_macro::DbgMacro));
 }
 
 #[doc(hidden)]
@@ -1810,7 +1809,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
     #[cfg(feature = "metadata-collector-lint")]
     {
         if std::env::var("ENABLE_METADATA_COLLECTION").eq(&Ok("1".to_string())) {
-            store.register_late_pass(|| box utils::internal_lints::metadata_collector::MetadataCollector::new());
+            store.register_late_pass(|| Box::new(utils::internal_lints::metadata_collector::MetadataCollector::new()));
             return;
         }
     }
@@ -1818,57 +1817,57 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
     // all the internal lints
     #[cfg(feature = "internal-lints")]
     {
-        store.register_early_pass(|| box utils::internal_lints::ClippyLintsInternal);
-        store.register_early_pass(|| box utils::internal_lints::ProduceIce);
-        store.register_late_pass(|| box utils::inspector::DeepCodeInspector);
-        store.register_late_pass(|| box utils::internal_lints::CollapsibleCalls);
-        store.register_late_pass(|| box utils::internal_lints::CompilerLintFunctions::new());
-        store.register_late_pass(|| box utils::internal_lints::IfChainStyle);
-        store.register_late_pass(|| box utils::internal_lints::InvalidPaths);
-        store.register_late_pass(|| box utils::internal_lints::InterningDefinedSymbol::default());
-        store.register_late_pass(|| box utils::internal_lints::LintWithoutLintPass::default());
-        store.register_late_pass(|| box utils::internal_lints::MatchTypeOnDiagItem);
-        store.register_late_pass(|| box utils::internal_lints::OuterExpnDataPass);
+        store.register_early_pass(|| Box::new(utils::internal_lints::ClippyLintsInternal));
+        store.register_early_pass(|| Box::new(utils::internal_lints::ProduceIce));
+        store.register_late_pass(|| Box::new(utils::inspector::DeepCodeInspector));
+        store.register_late_pass(|| Box::new(utils::internal_lints::CollapsibleCalls));
+        store.register_late_pass(|| Box::new(utils::internal_lints::CompilerLintFunctions::new()));
+        store.register_late_pass(|| Box::new(utils::internal_lints::IfChainStyle));
+        store.register_late_pass(|| Box::new(utils::internal_lints::InvalidPaths));
+        store.register_late_pass(|| Box::new(utils::internal_lints::InterningDefinedSymbol::default()));
+        store.register_late_pass(|| Box::new(utils::internal_lints::LintWithoutLintPass::default()));
+        store.register_late_pass(|| Box::new(utils::internal_lints::MatchTypeOnDiagItem));
+        store.register_late_pass(|| Box::new(utils::internal_lints::OuterExpnDataPass));
     }
 
-    store.register_late_pass(|| box utils::author::Author);
-    store.register_late_pass(|| box await_holding_invalid::AwaitHolding);
-    store.register_late_pass(|| box serde_api::SerdeApi);
+    store.register_late_pass(|| Box::new(utils::author::Author));
+    store.register_late_pass(|| Box::new(await_holding_invalid::AwaitHolding));
+    store.register_late_pass(|| Box::new(serde_api::SerdeApi));
     let vec_box_size_threshold = conf.vec_box_size_threshold;
     let type_complexity_threshold = conf.type_complexity_threshold;
-    store.register_late_pass(move || box types::Types::new(vec_box_size_threshold, type_complexity_threshold));
-    store.register_late_pass(|| box booleans::NonminimalBool);
-    store.register_late_pass(|| box needless_bitwise_bool::NeedlessBitwiseBool);
-    store.register_late_pass(|| box eq_op::EqOp);
-    store.register_late_pass(|| box enum_clike::UnportableVariant);
-    store.register_late_pass(|| box float_literal::FloatLiteral);
+    store.register_late_pass(move || Box::new(types::Types::new(vec_box_size_threshold, type_complexity_threshold)));
+    store.register_late_pass(|| Box::new(booleans::NonminimalBool));
+    store.register_late_pass(|| Box::new(needless_bitwise_bool::NeedlessBitwiseBool));
+    store.register_late_pass(|| Box::new(eq_op::EqOp));
+    store.register_late_pass(|| Box::new(enum_clike::UnportableVariant));
+    store.register_late_pass(|| Box::new(float_literal::FloatLiteral));
     let verbose_bit_mask_threshold = conf.verbose_bit_mask_threshold;
-    store.register_late_pass(move || box bit_mask::BitMask::new(verbose_bit_mask_threshold));
-    store.register_late_pass(|| box ptr::Ptr);
-    store.register_late_pass(|| box ptr_eq::PtrEq);
-    store.register_late_pass(|| box needless_bool::NeedlessBool);
-    store.register_late_pass(|| box needless_bool::BoolComparison);
-    store.register_late_pass(|| box needless_for_each::NeedlessForEach);
-    store.register_late_pass(|| box approx_const::ApproxConstant);
-    store.register_late_pass(|| box misc::MiscLints);
-    store.register_late_pass(|| box eta_reduction::EtaReduction);
-    store.register_late_pass(|| box identity_op::IdentityOp);
-    store.register_late_pass(|| box erasing_op::ErasingOp);
-    store.register_late_pass(|| box mut_mut::MutMut);
-    store.register_late_pass(|| box mut_reference::UnnecessaryMutPassed);
-    store.register_late_pass(|| box len_zero::LenZero);
-    store.register_late_pass(|| box attrs::Attributes);
-    store.register_late_pass(|| box blocks_in_if_conditions::BlocksInIfConditions);
-    store.register_late_pass(|| box collapsible_match::CollapsibleMatch);
-    store.register_late_pass(|| box unicode::Unicode);
-    store.register_late_pass(|| box unit_return_expecting_ord::UnitReturnExpectingOrd);
-    store.register_late_pass(|| box strings::StringAdd);
-    store.register_late_pass(|| box implicit_return::ImplicitReturn);
-    store.register_late_pass(|| box implicit_saturating_sub::ImplicitSaturatingSub);
-    store.register_late_pass(|| box default_numeric_fallback::DefaultNumericFallback);
-    store.register_late_pass(|| box inconsistent_struct_constructor::InconsistentStructConstructor);
-    store.register_late_pass(|| box non_octal_unix_permissions::NonOctalUnixPermissions);
-    store.register_early_pass(|| box unnecessary_self_imports::UnnecessarySelfImports);
+    store.register_late_pass(move || Box::new(bit_mask::BitMask::new(verbose_bit_mask_threshold)));
+    store.register_late_pass(|| Box::new(ptr::Ptr));
+    store.register_late_pass(|| Box::new(ptr_eq::PtrEq));
+    store.register_late_pass(|| Box::new(needless_bool::NeedlessBool));
+    store.register_late_pass(|| Box::new(needless_bool::BoolComparison));
+    store.register_late_pass(|| Box::new(needless_for_each::NeedlessForEach));
+    store.register_late_pass(|| Box::new(approx_const::ApproxConstant));
+    store.register_late_pass(|| Box::new(misc::MiscLints));
+    store.register_late_pass(|| Box::new(eta_reduction::EtaReduction));
+    store.register_late_pass(|| Box::new(identity_op::IdentityOp));
+    store.register_late_pass(|| Box::new(erasing_op::ErasingOp));
+    store.register_late_pass(|| Box::new(mut_mut::MutMut));
+    store.register_late_pass(|| Box::new(mut_reference::UnnecessaryMutPassed));
+    store.register_late_pass(|| Box::new(len_zero::LenZero));
+    store.register_late_pass(|| Box::new(attrs::Attributes));
+    store.register_late_pass(|| Box::new(blocks_in_if_conditions::BlocksInIfConditions));
+    store.register_late_pass(|| Box::new(collapsible_match::CollapsibleMatch));
+    store.register_late_pass(|| Box::new(unicode::Unicode));
+    store.register_late_pass(|| Box::new(unit_return_expecting_ord::UnitReturnExpectingOrd));
+    store.register_late_pass(|| Box::new(strings::StringAdd));
+    store.register_late_pass(|| Box::new(implicit_return::ImplicitReturn));
+    store.register_late_pass(|| Box::new(implicit_saturating_sub::ImplicitSaturatingSub));
+    store.register_late_pass(|| Box::new(default_numeric_fallback::DefaultNumericFallback));
+    store.register_late_pass(|| Box::new(inconsistent_struct_constructor::InconsistentStructConstructor));
+    store.register_late_pass(|| Box::new(non_octal_unix_permissions::NonOctalUnixPermissions));
+    store.register_early_pass(|| Box::new(unnecessary_self_imports::UnnecessarySelfImports));
 
     let msrv = conf.msrv.as_ref().and_then(|s| {
         parse_msrv(s, None, None).or_else(|| {
@@ -1878,231 +1877,231 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
     });
 
     let avoid_breaking_exported_api = conf.avoid_breaking_exported_api;
-    store.register_late_pass(move || box methods::Methods::new(avoid_breaking_exported_api, msrv));
-    store.register_late_pass(move || box matches::Matches::new(msrv));
-    store.register_early_pass(move || box manual_non_exhaustive::ManualNonExhaustive::new(msrv));
-    store.register_late_pass(move || box manual_strip::ManualStrip::new(msrv));
-    store.register_early_pass(move || box redundant_static_lifetimes::RedundantStaticLifetimes::new(msrv));
-    store.register_early_pass(move || box redundant_field_names::RedundantFieldNames::new(msrv));
-    store.register_late_pass(move || box checked_conversions::CheckedConversions::new(msrv));
-    store.register_late_pass(move || box mem_replace::MemReplace::new(msrv));
-    store.register_late_pass(move || box ranges::Ranges::new(msrv));
-    store.register_late_pass(move || box from_over_into::FromOverInto::new(msrv));
-    store.register_late_pass(move || box use_self::UseSelf::new(msrv));
-    store.register_late_pass(move || box missing_const_for_fn::MissingConstForFn::new(msrv));
-    store.register_late_pass(move || box needless_question_mark::NeedlessQuestionMark);
-    store.register_late_pass(move || box casts::Casts::new(msrv));
-    store.register_early_pass(move || box unnested_or_patterns::UnnestedOrPatterns::new(msrv));
+    store.register_late_pass(move || Box::new(methods::Methods::new(avoid_breaking_exported_api, msrv)));
+    store.register_late_pass(move || Box::new(matches::Matches::new(msrv)));
+    store.register_early_pass(move || Box::new(manual_non_exhaustive::ManualNonExhaustive::new(msrv)));
+    store.register_late_pass(move || Box::new(manual_strip::ManualStrip::new(msrv)));
+    store.register_early_pass(move || Box::new(redundant_static_lifetimes::RedundantStaticLifetimes::new(msrv)));
+    store.register_early_pass(move || Box::new(redundant_field_names::RedundantFieldNames::new(msrv)));
+    store.register_late_pass(move || Box::new(checked_conversions::CheckedConversions::new(msrv)));
+    store.register_late_pass(move || Box::new(mem_replace::MemReplace::new(msrv)));
+    store.register_late_pass(move || Box::new(ranges::Ranges::new(msrv)));
+    store.register_late_pass(move || Box::new(from_over_into::FromOverInto::new(msrv)));
+    store.register_late_pass(move || Box::new(use_self::UseSelf::new(msrv)));
+    store.register_late_pass(move || Box::new(missing_const_for_fn::MissingConstForFn::new(msrv)));
+    store.register_late_pass(move || Box::new(needless_question_mark::NeedlessQuestionMark));
+    store.register_late_pass(move || Box::new(casts::Casts::new(msrv)));
+    store.register_early_pass(move || Box::new(unnested_or_patterns::UnnestedOrPatterns::new(msrv)));
 
-    store.register_late_pass(|| box size_of_in_element_count::SizeOfInElementCount);
-    store.register_late_pass(|| box map_clone::MapClone);
-    store.register_late_pass(|| box map_err_ignore::MapErrIgnore);
-    store.register_late_pass(|| box shadow::Shadow);
-    store.register_late_pass(|| box unit_types::UnitTypes);
-    store.register_late_pass(|| box loops::Loops);
-    store.register_late_pass(|| box main_recursion::MainRecursion::default());
-    store.register_late_pass(|| box lifetimes::Lifetimes);
-    store.register_late_pass(|| box entry::HashMapPass);
-    store.register_late_pass(|| box minmax::MinMaxPass);
-    store.register_late_pass(|| box open_options::OpenOptions);
-    store.register_late_pass(|| box zero_div_zero::ZeroDiv);
-    store.register_late_pass(|| box mutex_atomic::Mutex);
-    store.register_late_pass(|| box needless_update::NeedlessUpdate);
-    store.register_late_pass(|| box needless_borrow::NeedlessBorrow::default());
-    store.register_late_pass(|| box needless_borrowed_ref::NeedlessBorrowedRef);
-    store.register_late_pass(|| box no_effect::NoEffect);
-    store.register_late_pass(|| box temporary_assignment::TemporaryAssignment);
-    store.register_late_pass(|| box transmute::Transmute);
+    store.register_late_pass(|| Box::new(size_of_in_element_count::SizeOfInElementCount));
+    store.register_late_pass(|| Box::new(map_clone::MapClone));
+    store.register_late_pass(|| Box::new(map_err_ignore::MapErrIgnore));
+    store.register_late_pass(|| Box::new(shadow::Shadow));
+    store.register_late_pass(|| Box::new(unit_types::UnitTypes));
+    store.register_late_pass(|| Box::new(loops::Loops));
+    store.register_late_pass(|| Box::new(main_recursion::MainRecursion::default()));
+    store.register_late_pass(|| Box::new(lifetimes::Lifetimes));
+    store.register_late_pass(|| Box::new(entry::HashMapPass));
+    store.register_late_pass(|| Box::new(minmax::MinMaxPass));
+    store.register_late_pass(|| Box::new(open_options::OpenOptions));
+    store.register_late_pass(|| Box::new(zero_div_zero::ZeroDiv));
+    store.register_late_pass(|| Box::new(mutex_atomic::Mutex));
+    store.register_late_pass(|| Box::new(needless_update::NeedlessUpdate));
+    store.register_late_pass(|| Box::new(needless_borrow::NeedlessBorrow::default()));
+    store.register_late_pass(|| Box::new(needless_borrowed_ref::NeedlessBorrowedRef));
+    store.register_late_pass(|| Box::new(no_effect::NoEffect));
+    store.register_late_pass(|| Box::new(temporary_assignment::TemporaryAssignment));
+    store.register_late_pass(|| Box::new(transmute::Transmute));
     let cognitive_complexity_threshold = conf.cognitive_complexity_threshold;
-    store.register_late_pass(move || box cognitive_complexity::CognitiveComplexity::new(cognitive_complexity_threshold));
+    store.register_late_pass(move || Box::new(cognitive_complexity::CognitiveComplexity::new(cognitive_complexity_threshold)));
     let too_large_for_stack = conf.too_large_for_stack;
-    store.register_late_pass(move || box escape::BoxedLocal{too_large_for_stack});
-    store.register_late_pass(move || box vec::UselessVec{too_large_for_stack});
-    store.register_late_pass(|| box panic_unimplemented::PanicUnimplemented);
-    store.register_late_pass(|| box strings::StringLitAsBytes);
-    store.register_late_pass(|| box derive::Derive);
-    store.register_late_pass(|| box get_last_with_len::GetLastWithLen);
-    store.register_late_pass(|| box drop_forget_ref::DropForgetRef);
-    store.register_late_pass(|| box empty_enum::EmptyEnum);
-    store.register_late_pass(|| box absurd_extreme_comparisons::AbsurdExtremeComparisons);
-    store.register_late_pass(|| box invalid_upcast_comparisons::InvalidUpcastComparisons);
-    store.register_late_pass(|| box regex::Regex::default());
-    store.register_late_pass(|| box copies::CopyAndPaste);
-    store.register_late_pass(|| box copy_iterator::CopyIterator);
-    store.register_late_pass(|| box format::UselessFormat);
-    store.register_late_pass(|| box swap::Swap);
-    store.register_late_pass(|| box overflow_check_conditional::OverflowCheckConditional);
-    store.register_late_pass(|| box new_without_default::NewWithoutDefault::default());
+    store.register_late_pass(move || Box::new(escape::BoxedLocal{too_large_for_stack}));
+    store.register_late_pass(move || Box::new(vec::UselessVec{too_large_for_stack}));
+    store.register_late_pass(|| Box::new(panic_unimplemented::PanicUnimplemented));
+    store.register_late_pass(|| Box::new(strings::StringLitAsBytes));
+    store.register_late_pass(|| Box::new(derive::Derive));
+    store.register_late_pass(|| Box::new(get_last_with_len::GetLastWithLen));
+    store.register_late_pass(|| Box::new(drop_forget_ref::DropForgetRef));
+    store.register_late_pass(|| Box::new(empty_enum::EmptyEnum));
+    store.register_late_pass(|| Box::new(absurd_extreme_comparisons::AbsurdExtremeComparisons));
+    store.register_late_pass(|| Box::new(invalid_upcast_comparisons::InvalidUpcastComparisons));
+    store.register_late_pass(|| Box::new(regex::Regex::default()));
+    store.register_late_pass(|| Box::new(copies::CopyAndPaste));
+    store.register_late_pass(|| Box::new(copy_iterator::CopyIterator));
+    store.register_late_pass(|| Box::new(format::UselessFormat));
+    store.register_late_pass(|| Box::new(swap::Swap));
+    store.register_late_pass(|| Box::new(overflow_check_conditional::OverflowCheckConditional));
+    store.register_late_pass(|| Box::new(new_without_default::NewWithoutDefault::default()));
     let blacklisted_names = conf.blacklisted_names.iter().cloned().collect::<FxHashSet<_>>();
-    store.register_late_pass(move || box blacklisted_name::BlacklistedName::new(blacklisted_names.clone()));
+    store.register_late_pass(move || Box::new(blacklisted_name::BlacklistedName::new(blacklisted_names.clone())));
     let too_many_arguments_threshold = conf.too_many_arguments_threshold;
     let too_many_lines_threshold = conf.too_many_lines_threshold;
-    store.register_late_pass(move || box functions::Functions::new(too_many_arguments_threshold, too_many_lines_threshold));
+    store.register_late_pass(move || Box::new(functions::Functions::new(too_many_arguments_threshold, too_many_lines_threshold)));
     let doc_valid_idents = conf.doc_valid_idents.iter().cloned().collect::<FxHashSet<_>>();
-    store.register_late_pass(move || box doc::DocMarkdown::new(doc_valid_idents.clone()));
-    store.register_late_pass(|| box neg_multiply::NegMultiply);
-    store.register_late_pass(|| box mem_discriminant::MemDiscriminant);
-    store.register_late_pass(|| box mem_forget::MemForget);
-    store.register_late_pass(|| box arithmetic::Arithmetic::default());
-    store.register_late_pass(|| box assign_ops::AssignOps);
-    store.register_late_pass(|| box let_if_seq::LetIfSeq);
-    store.register_late_pass(|| box eval_order_dependence::EvalOrderDependence);
-    store.register_late_pass(|| box missing_doc::MissingDoc::new());
-    store.register_late_pass(|| box missing_inline::MissingInline);
-    store.register_late_pass(move || box exhaustive_items::ExhaustiveItems);
-    store.register_late_pass(|| box if_let_some_result::OkIfLet);
-    store.register_late_pass(|| box partialeq_ne_impl::PartialEqNeImpl);
-    store.register_late_pass(|| box unused_io_amount::UnusedIoAmount);
+    store.register_late_pass(move || Box::new(doc::DocMarkdown::new(doc_valid_idents.clone())));
+    store.register_late_pass(|| Box::new(neg_multiply::NegMultiply));
+    store.register_late_pass(|| Box::new(mem_discriminant::MemDiscriminant));
+    store.register_late_pass(|| Box::new(mem_forget::MemForget));
+    store.register_late_pass(|| Box::new(arithmetic::Arithmetic::default()));
+    store.register_late_pass(|| Box::new(assign_ops::AssignOps));
+    store.register_late_pass(|| Box::new(let_if_seq::LetIfSeq));
+    store.register_late_pass(|| Box::new(eval_order_dependence::EvalOrderDependence));
+    store.register_late_pass(|| Box::new(missing_doc::MissingDoc::new()));
+    store.register_late_pass(|| Box::new(missing_inline::MissingInline));
+    store.register_late_pass(move || Box::new(exhaustive_items::ExhaustiveItems));
+    store.register_late_pass(|| Box::new(if_let_some_result::OkIfLet));
+    store.register_late_pass(|| Box::new(partialeq_ne_impl::PartialEqNeImpl));
+    store.register_late_pass(|| Box::new(unused_io_amount::UnusedIoAmount));
     let enum_variant_size_threshold = conf.enum_variant_size_threshold;
-    store.register_late_pass(move || box large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold));
-    store.register_late_pass(|| box explicit_write::ExplicitWrite);
-    store.register_late_pass(|| box needless_pass_by_value::NeedlessPassByValue);
+    store.register_late_pass(move || Box::new(large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold)));
+    store.register_late_pass(|| Box::new(explicit_write::ExplicitWrite));
+    store.register_late_pass(|| Box::new(needless_pass_by_value::NeedlessPassByValue));
     let pass_by_ref_or_value = pass_by_ref_or_value::PassByRefOrValue::new(
         conf.trivial_copy_size_limit,
         conf.pass_by_value_size_limit,
         conf.avoid_breaking_exported_api,
         &sess.target,
     );
-    store.register_late_pass(move || box pass_by_ref_or_value);
-    store.register_late_pass(|| box ref_option_ref::RefOptionRef);
-    store.register_late_pass(|| box try_err::TryErr);
-    store.register_late_pass(|| box bytecount::ByteCount);
-    store.register_late_pass(|| box infinite_iter::InfiniteIter);
-    store.register_late_pass(|| box inline_fn_without_body::InlineFnWithoutBody);
-    store.register_late_pass(|| box useless_conversion::UselessConversion::default());
-    store.register_late_pass(|| box implicit_hasher::ImplicitHasher);
-    store.register_late_pass(|| box fallible_impl_from::FallibleImplFrom);
-    store.register_late_pass(|| box double_comparison::DoubleComparisons);
-    store.register_late_pass(|| box question_mark::QuestionMark);
-    store.register_early_pass(|| box suspicious_operation_groupings::SuspiciousOperationGroupings);
-    store.register_late_pass(|| box suspicious_trait_impl::SuspiciousImpl);
-    store.register_late_pass(|| box map_unit_fn::MapUnit);
-    store.register_late_pass(|| box inherent_impl::MultipleInherentImpl);
-    store.register_late_pass(|| box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
-    store.register_late_pass(|| box unwrap::Unwrap);
-    store.register_late_pass(|| box duration_subsec::DurationSubsec);
-    store.register_late_pass(|| box indexing_slicing::IndexingSlicing);
-    store.register_late_pass(|| box non_copy_const::NonCopyConst);
-    store.register_late_pass(|| box ptr_offset_with_cast::PtrOffsetWithCast);
-    store.register_late_pass(|| box redundant_clone::RedundantClone);
-    store.register_late_pass(|| box slow_vector_initialization::SlowVectorInit);
-    store.register_late_pass(|| box unnecessary_sort_by::UnnecessarySortBy);
-    store.register_late_pass(move || box unnecessary_wraps::UnnecessaryWraps::new(avoid_breaking_exported_api));
-    store.register_late_pass(|| box assertions_on_constants::AssertionsOnConstants);
-    store.register_late_pass(|| box transmuting_null::TransmutingNull);
-    store.register_late_pass(|| box path_buf_push_overwrite::PathBufPushOverwrite);
-    store.register_late_pass(|| box integer_division::IntegerDivision);
-    store.register_late_pass(|| box inherent_to_string::InherentToString);
+    store.register_late_pass(move || Box::new(pass_by_ref_or_value));
+    store.register_late_pass(|| Box::new(ref_option_ref::RefOptionRef));
+    store.register_late_pass(|| Box::new(try_err::TryErr));
+    store.register_late_pass(|| Box::new(bytecount::ByteCount));
+    store.register_late_pass(|| Box::new(infinite_iter::InfiniteIter));
+    store.register_late_pass(|| Box::new(inline_fn_without_body::InlineFnWithoutBody));
+    store.register_late_pass(|| Box::new(useless_conversion::UselessConversion::default()));
+    store.register_late_pass(|| Box::new(implicit_hasher::ImplicitHasher));
+    store.register_late_pass(|| Box::new(fallible_impl_from::FallibleImplFrom));
+    store.register_late_pass(|| Box::new(double_comparison::DoubleComparisons));
+    store.register_late_pass(|| Box::new(question_mark::QuestionMark));
+    store.register_early_pass(|| Box::new(suspicious_operation_groupings::SuspiciousOperationGroupings));
+    store.register_late_pass(|| Box::new(suspicious_trait_impl::SuspiciousImpl));
+    store.register_late_pass(|| Box::new(map_unit_fn::MapUnit));
+    store.register_late_pass(|| Box::new(inherent_impl::MultipleInherentImpl));
+    store.register_late_pass(|| Box::new(neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd));
+    store.register_late_pass(|| Box::new(unwrap::Unwrap));
+    store.register_late_pass(|| Box::new(duration_subsec::DurationSubsec));
+    store.register_late_pass(|| Box::new(indexing_slicing::IndexingSlicing));
+    store.register_late_pass(|| Box::new(non_copy_const::NonCopyConst));
+    store.register_late_pass(|| Box::new(ptr_offset_with_cast::PtrOffsetWithCast));
+    store.register_late_pass(|| Box::new(redundant_clone::RedundantClone));
+    store.register_late_pass(|| Box::new(slow_vector_initialization::SlowVectorInit));
+    store.register_late_pass(|| Box::new(unnecessary_sort_by::UnnecessarySortBy));
+    store.register_late_pass(move || Box::new(unnecessary_wraps::UnnecessaryWraps::new(avoid_breaking_exported_api)));
+    store.register_late_pass(|| Box::new(assertions_on_constants::AssertionsOnConstants));
+    store.register_late_pass(|| Box::new(transmuting_null::TransmutingNull));
+    store.register_late_pass(|| Box::new(path_buf_push_overwrite::PathBufPushOverwrite));
+    store.register_late_pass(|| Box::new(integer_division::IntegerDivision));
+    store.register_late_pass(|| Box::new(inherent_to_string::InherentToString));
     let max_trait_bounds = conf.max_trait_bounds;
-    store.register_late_pass(move || box trait_bounds::TraitBounds::new(max_trait_bounds));
-    store.register_late_pass(|| box comparison_chain::ComparisonChain);
-    store.register_late_pass(|| box mut_key::MutableKeyType);
-    store.register_late_pass(|| box modulo_arithmetic::ModuloArithmetic);
-    store.register_early_pass(|| box reference::DerefAddrOf);
-    store.register_early_pass(|| box reference::RefInDeref);
-    store.register_early_pass(|| box double_parens::DoubleParens);
-    store.register_late_pass(|| box to_string_in_display::ToStringInDisplay::new());
-    store.register_early_pass(|| box unsafe_removed_from_name::UnsafeNameRemoval);
-    store.register_early_pass(|| box if_not_else::IfNotElse);
-    store.register_early_pass(|| box else_if_without_else::ElseIfWithoutElse);
-    store.register_early_pass(|| box int_plus_one::IntPlusOne);
-    store.register_early_pass(|| box formatting::Formatting);
-    store.register_early_pass(|| box misc_early::MiscEarlyLints);
-    store.register_early_pass(|| box redundant_closure_call::RedundantClosureCall);
-    store.register_late_pass(|| box redundant_closure_call::RedundantClosureCall);
-    store.register_early_pass(|| box unused_unit::UnusedUnit);
-    store.register_late_pass(|| box returns::Return);
-    store.register_early_pass(|| box collapsible_if::CollapsibleIf);
-    store.register_early_pass(|| box items_after_statements::ItemsAfterStatements);
-    store.register_early_pass(|| box precedence::Precedence);
-    store.register_early_pass(|| box needless_continue::NeedlessContinue);
-    store.register_early_pass(|| box redundant_else::RedundantElse);
-    store.register_late_pass(|| box create_dir::CreateDir);
-    store.register_early_pass(|| box needless_arbitrary_self_type::NeedlessArbitrarySelfType);
+    store.register_late_pass(move || Box::new(trait_bounds::TraitBounds::new(max_trait_bounds)));
+    store.register_late_pass(|| Box::new(comparison_chain::ComparisonChain));
+    store.register_late_pass(|| Box::new(mut_key::MutableKeyType));
+    store.register_late_pass(|| Box::new(modulo_arithmetic::ModuloArithmetic));
+    store.register_early_pass(|| Box::new(reference::DerefAddrOf));
+    store.register_early_pass(|| Box::new(reference::RefInDeref));
+    store.register_early_pass(|| Box::new(double_parens::DoubleParens));
+    store.register_late_pass(|| Box::new(to_string_in_display::ToStringInDisplay::new()));
+    store.register_early_pass(|| Box::new(unsafe_removed_from_name::UnsafeNameRemoval));
+    store.register_early_pass(|| Box::new(if_not_else::IfNotElse));
+    store.register_early_pass(|| Box::new(else_if_without_else::ElseIfWithoutElse));
+    store.register_early_pass(|| Box::new(int_plus_one::IntPlusOne));
+    store.register_early_pass(|| Box::new(formatting::Formatting));
+    store.register_early_pass(|| Box::new(misc_early::MiscEarlyLints));
+    store.register_early_pass(|| Box::new(redundant_closure_call::RedundantClosureCall));
+    store.register_late_pass(|| Box::new(redundant_closure_call::RedundantClosureCall));
+    store.register_early_pass(|| Box::new(unused_unit::UnusedUnit));
+    store.register_late_pass(|| Box::new(returns::Return));
+    store.register_early_pass(|| Box::new(collapsible_if::CollapsibleIf));
+    store.register_early_pass(|| Box::new(items_after_statements::ItemsAfterStatements));
+    store.register_early_pass(|| Box::new(precedence::Precedence));
+    store.register_early_pass(|| Box::new(needless_continue::NeedlessContinue));
+    store.register_early_pass(|| Box::new(redundant_else::RedundantElse));
+    store.register_late_pass(|| Box::new(create_dir::CreateDir));
+    store.register_early_pass(|| Box::new(needless_arbitrary_self_type::NeedlessArbitrarySelfType));
     let cargo_ignore_publish = conf.cargo_ignore_publish;
-    store.register_late_pass(move || box cargo_common_metadata::CargoCommonMetadata::new(cargo_ignore_publish));
-    store.register_late_pass(|| box multiple_crate_versions::MultipleCrateVersions);
-    store.register_late_pass(|| box wildcard_dependencies::WildcardDependencies);
+    store.register_late_pass(move || Box::new(cargo_common_metadata::CargoCommonMetadata::new(cargo_ignore_publish)));
+    store.register_late_pass(|| Box::new(multiple_crate_versions::MultipleCrateVersions));
+    store.register_late_pass(|| Box::new(wildcard_dependencies::WildcardDependencies));
     let literal_representation_lint_fraction_readability = conf.unreadable_literal_lint_fractions;
-    store.register_early_pass(move || box literal_representation::LiteralDigitGrouping::new(literal_representation_lint_fraction_readability));
+    store.register_early_pass(move || Box::new(literal_representation::LiteralDigitGrouping::new(literal_representation_lint_fraction_readability)));
     let literal_representation_threshold = conf.literal_representation_threshold;
-    store.register_early_pass(move || box literal_representation::DecimalLiteralRepresentation::new(literal_representation_threshold));
+    store.register_early_pass(move || Box::new(literal_representation::DecimalLiteralRepresentation::new(literal_representation_threshold)));
     let enum_variant_name_threshold = conf.enum_variant_name_threshold;
-    store.register_late_pass(move || box enum_variants::EnumVariantNames::new(enum_variant_name_threshold, avoid_breaking_exported_api));
-    store.register_early_pass(|| box tabs_in_doc_comments::TabsInDocComments);
+    store.register_late_pass(move || Box::new(enum_variants::EnumVariantNames::new(enum_variant_name_threshold, avoid_breaking_exported_api)));
+    store.register_early_pass(|| Box::new(tabs_in_doc_comments::TabsInDocComments));
     let upper_case_acronyms_aggressive = conf.upper_case_acronyms_aggressive;
-    store.register_late_pass(move || box upper_case_acronyms::UpperCaseAcronyms::new(avoid_breaking_exported_api, upper_case_acronyms_aggressive));
-    store.register_late_pass(|| box default::Default::default());
-    store.register_late_pass(|| box unused_self::UnusedSelf);
-    store.register_late_pass(|| box mutable_debug_assertion::DebugAssertWithMutCall);
-    store.register_late_pass(|| box exit::Exit);
-    store.register_late_pass(|| box to_digit_is_some::ToDigitIsSome);
+    store.register_late_pass(move || Box::new(upper_case_acronyms::UpperCaseAcronyms::new(avoid_breaking_exported_api, upper_case_acronyms_aggressive)));
+    store.register_late_pass(|| Box::new(default::Default::default()));
+    store.register_late_pass(|| Box::new(unused_self::UnusedSelf));
+    store.register_late_pass(|| Box::new(mutable_debug_assertion::DebugAssertWithMutCall));
+    store.register_late_pass(|| Box::new(exit::Exit));
+    store.register_late_pass(|| Box::new(to_digit_is_some::ToDigitIsSome));
     let array_size_threshold = conf.array_size_threshold;
-    store.register_late_pass(move || box large_stack_arrays::LargeStackArrays::new(array_size_threshold));
-    store.register_late_pass(move || box large_const_arrays::LargeConstArrays::new(array_size_threshold));
-    store.register_late_pass(|| box floating_point_arithmetic::FloatingPointArithmetic);
-    store.register_early_pass(|| box as_conversions::AsConversions);
-    store.register_late_pass(|| box let_underscore::LetUnderscore);
-    store.register_early_pass(|| box single_component_path_imports::SingleComponentPathImports);
+    store.register_late_pass(move || Box::new(large_stack_arrays::LargeStackArrays::new(array_size_threshold)));
+    store.register_late_pass(move || Box::new(large_const_arrays::LargeConstArrays::new(array_size_threshold)));
+    store.register_late_pass(|| Box::new(floating_point_arithmetic::FloatingPointArithmetic));
+    store.register_early_pass(|| Box::new(as_conversions::AsConversions));
+    store.register_late_pass(|| Box::new(let_underscore::LetUnderscore));
+    store.register_early_pass(|| Box::new(single_component_path_imports::SingleComponentPathImports));
     let max_fn_params_bools = conf.max_fn_params_bools;
     let max_struct_bools = conf.max_struct_bools;
-    store.register_early_pass(move || box excessive_bools::ExcessiveBools::new(max_struct_bools, max_fn_params_bools));
-    store.register_early_pass(|| box option_env_unwrap::OptionEnvUnwrap);
+    store.register_early_pass(move || Box::new(excessive_bools::ExcessiveBools::new(max_struct_bools, max_fn_params_bools)));
+    store.register_early_pass(|| Box::new(option_env_unwrap::OptionEnvUnwrap));
     let warn_on_all_wildcard_imports = conf.warn_on_all_wildcard_imports;
-    store.register_late_pass(move || box wildcard_imports::WildcardImports::new(warn_on_all_wildcard_imports));
-    store.register_late_pass(|| box verbose_file_reads::VerboseFileReads);
-    store.register_late_pass(|| box redundant_pub_crate::RedundantPubCrate::default());
-    store.register_late_pass(|| box unnamed_address::UnnamedAddress);
-    store.register_late_pass(|| box dereference::Dereferencing::default());
-    store.register_late_pass(|| box option_if_let_else::OptionIfLetElse);
-    store.register_late_pass(|| box future_not_send::FutureNotSend);
-    store.register_late_pass(|| box if_let_mutex::IfLetMutex);
-    store.register_late_pass(|| box mut_mutex_lock::MutMutexLock);
-    store.register_late_pass(|| box match_on_vec_items::MatchOnVecItems);
-    store.register_late_pass(|| box manual_async_fn::ManualAsyncFn);
-    store.register_late_pass(|| box vec_resize_to_zero::VecResizeToZero);
-    store.register_late_pass(|| box panic_in_result_fn::PanicInResultFn);
+    store.register_late_pass(move || Box::new(wildcard_imports::WildcardImports::new(warn_on_all_wildcard_imports)));
+    store.register_late_pass(|| Box::new(verbose_file_reads::VerboseFileReads));
+    store.register_late_pass(|| Box::new(redundant_pub_crate::RedundantPubCrate::default()));
+    store.register_late_pass(|| Box::new(unnamed_address::UnnamedAddress));
+    store.register_late_pass(|| Box::new(dereference::Dereferencing::default()));
+    store.register_late_pass(|| Box::new(option_if_let_else::OptionIfLetElse));
+    store.register_late_pass(|| Box::new(future_not_send::FutureNotSend));
+    store.register_late_pass(|| Box::new(if_let_mutex::IfLetMutex));
+    store.register_late_pass(|| Box::new(mut_mutex_lock::MutMutexLock));
+    store.register_late_pass(|| Box::new(match_on_vec_items::MatchOnVecItems));
+    store.register_late_pass(|| Box::new(manual_async_fn::ManualAsyncFn));
+    store.register_late_pass(|| Box::new(vec_resize_to_zero::VecResizeToZero));
+    store.register_late_pass(|| Box::new(panic_in_result_fn::PanicInResultFn));
     let single_char_binding_names_threshold = conf.single_char_binding_names_threshold;
-    store.register_early_pass(move || box non_expressive_names::NonExpressiveNames {
+    store.register_early_pass(move || Box::new(non_expressive_names::NonExpressiveNames {
         single_char_binding_names_threshold,
-    });
+    }));
     let macro_matcher = conf.standard_macro_braces.iter().cloned().collect::<FxHashSet<_>>();
-    store.register_early_pass(move || box nonstandard_macro_braces::MacroBraces::new(&macro_matcher));
-    store.register_late_pass(|| box macro_use::MacroUseImports::default());
-    store.register_late_pass(|| box pattern_type_mismatch::PatternTypeMismatch);
-    store.register_late_pass(|| box stable_sort_primitive::StableSortPrimitive);
-    store.register_late_pass(|| box repeat_once::RepeatOnce);
-    store.register_late_pass(|| box unwrap_in_result::UnwrapInResult);
-    store.register_late_pass(|| box self_assignment::SelfAssignment);
-    store.register_late_pass(|| box manual_unwrap_or::ManualUnwrapOr);
-    store.register_late_pass(|| box manual_ok_or::ManualOkOr);
-    store.register_late_pass(|| box float_equality_without_abs::FloatEqualityWithoutAbs);
-    store.register_late_pass(|| box semicolon_if_nothing_returned::SemicolonIfNothingReturned);
-    store.register_late_pass(|| box async_yields_async::AsyncYieldsAsync);
+    store.register_early_pass(move || Box::new(nonstandard_macro_braces::MacroBraces::new(&macro_matcher)));
+    store.register_late_pass(|| Box::new(macro_use::MacroUseImports::default()));
+    store.register_late_pass(|| Box::new(pattern_type_mismatch::PatternTypeMismatch));
+    store.register_late_pass(|| Box::new(stable_sort_primitive::StableSortPrimitive));
+    store.register_late_pass(|| Box::new(repeat_once::RepeatOnce));
+    store.register_late_pass(|| Box::new(unwrap_in_result::UnwrapInResult));
+    store.register_late_pass(|| Box::new(self_assignment::SelfAssignment));
+    store.register_late_pass(|| Box::new(manual_unwrap_or::ManualUnwrapOr));
+    store.register_late_pass(|| Box::new(manual_ok_or::ManualOkOr));
+    store.register_late_pass(|| Box::new(float_equality_without_abs::FloatEqualityWithoutAbs));
+    store.register_late_pass(|| Box::new(semicolon_if_nothing_returned::SemicolonIfNothingReturned));
+    store.register_late_pass(|| Box::new(async_yields_async::AsyncYieldsAsync));
     let disallowed_methods = conf.disallowed_methods.iter().cloned().collect::<FxHashSet<_>>();
-    store.register_late_pass(move || box disallowed_method::DisallowedMethod::new(&disallowed_methods));
-    store.register_early_pass(|| box asm_syntax::InlineAsmX86AttSyntax);
-    store.register_early_pass(|| box asm_syntax::InlineAsmX86IntelSyntax);
-    store.register_late_pass(|| box undropped_manually_drops::UndroppedManuallyDrops);
-    store.register_late_pass(|| box strings::StrToString);
-    store.register_late_pass(|| box strings::StringToString);
-    store.register_late_pass(|| box zero_sized_map_values::ZeroSizedMapValues);
-    store.register_late_pass(|| box vec_init_then_push::VecInitThenPush::default());
-    store.register_late_pass(|| box case_sensitive_file_extension_comparisons::CaseSensitiveFileExtensionComparisons);
-    store.register_late_pass(|| box redundant_slicing::RedundantSlicing);
-    store.register_late_pass(|| box from_str_radix_10::FromStrRadix10);
-    store.register_late_pass(|| box manual_map::ManualMap);
-    store.register_late_pass(move || box if_then_some_else_none::IfThenSomeElseNone::new(msrv));
-    store.register_early_pass(|| box bool_assert_comparison::BoolAssertComparison);
-    store.register_late_pass(|| box unused_async::UnusedAsync);
+    store.register_late_pass(move || Box::new(disallowed_method::DisallowedMethod::new(&disallowed_methods)));
+    store.register_early_pass(|| Box::new(asm_syntax::InlineAsmX86AttSyntax));
+    store.register_early_pass(|| Box::new(asm_syntax::InlineAsmX86IntelSyntax));
+    store.register_late_pass(|| Box::new(undropped_manually_drops::UndroppedManuallyDrops));
+    store.register_late_pass(|| Box::new(strings::StrToString));
+    store.register_late_pass(|| Box::new(strings::StringToString));
+    store.register_late_pass(|| Box::new(zero_sized_map_values::ZeroSizedMapValues));
+    store.register_late_pass(|| Box::new(vec_init_then_push::VecInitThenPush::default()));
+    store.register_late_pass(|| Box::new(case_sensitive_file_extension_comparisons::CaseSensitiveFileExtensionComparisons));
+    store.register_late_pass(|| Box::new(redundant_slicing::RedundantSlicing));
+    store.register_late_pass(|| Box::new(from_str_radix_10::FromStrRadix10));
+    store.register_late_pass(|| Box::new(manual_map::ManualMap));
+    store.register_late_pass(move || Box::new(if_then_some_else_none::IfThenSomeElseNone::new(msrv)));
+    store.register_early_pass(|| Box::new(bool_assert_comparison::BoolAssertComparison));
+    store.register_late_pass(|| Box::new(unused_async::UnusedAsync));
     let disallowed_types = conf.disallowed_types.iter().cloned().collect::<FxHashSet<_>>();
-    store.register_late_pass(move || box disallowed_type::DisallowedType::new(&disallowed_types));
+    store.register_late_pass(move || Box::new(disallowed_type::DisallowedType::new(&disallowed_types)));
     let import_renames = conf.enforced_import_renames.clone();
-    store.register_late_pass(move || box missing_enforced_import_rename::ImportRename::new(import_renames.clone()));
+    store.register_late_pass(move || Box::new(missing_enforced_import_rename::ImportRename::new(import_renames.clone())));
     let scripts = conf.allowed_scripts.clone();
-    store.register_early_pass(move || box disallowed_script_idents::DisallowedScriptIdents::new(&scripts));
-    store.register_late_pass(|| box strlen_on_c_strings::StrlenOnCStrings);
-    store.register_late_pass(move || box self_named_constructors::SelfNamedConstructors);
+    store.register_early_pass(move || Box::new(disallowed_script_idents::DisallowedScriptIdents::new(&scripts)));
+    store.register_late_pass(|| Box::new(strlen_on_c_strings::StrlenOnCStrings));
+    store.register_late_pass(move || Box::new(self_named_constructors::SelfNamedConstructors));
 }
 
 #[rustfmt::skip]