clippy_lints/src/lib.rs

   1 // error-pattern:cargo-clippy
   2
   3 #![feature(box_syntax)]
   4 #![feature(rustc_private)]
   5 #![feature(slice_patterns)]
   6 #![feature(stmt_expr_attributes)]
   7 #![feature(range_contains)]
   8 #![allow(unknown_lints, clippy::shadow_reuse, clippy::missing_docs_in_private_items)]
   9 #![recursion_limit = "256"]
  10 #![feature(macro_at_most_once_rep)]
  11 #![feature(tool_lints)]
  12 #![warn(rust_2018_idioms, trivial_casts, trivial_numeric_casts)]
  13 #![feature(crate_visibility_modifier)]
  14
  15 // FIXME: switch to something more ergonomic here, once available.
  16 // (currently there is no way to opt into sysroot crates w/o `extern crate`)
  17 #[allow(unused_extern_crates)]
  18 extern crate fmt_macros;
  19 #[allow(unused_extern_crates)]
  20 extern crate rustc;
  21 #[allow(unused_extern_crates)]
  22 extern crate rustc_data_structures;
  23 #[allow(unused_extern_crates)]
  24 extern crate rustc_errors;
  25 #[allow(unused_extern_crates)]
  26 extern crate rustc_plugin;
  27 #[allow(unused_extern_crates)]
  28 extern crate rustc_target;
  29 #[allow(unused_extern_crates)]
  30 extern crate rustc_typeck;
  31 #[allow(unused_extern_crates)]
  32 extern crate syntax;
  33 #[allow(unused_extern_crates)]
  34 extern crate syntax_pos;
  35
  36 use toml;
  37
  38 macro_rules! declare_clippy_lint {
  39     { pub $name:tt, style, $description:tt } => {
  40         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  41     };
  42     { pub $name:tt, correctness, $description:tt } => {
  43         declare_tool_lint! { pub clippy::$name, Deny, $description, report_in_external_macro: true }
  44     };
  45     { pub $name:tt, complexity, $description:tt } => {
  46         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  47     };
  48     { pub $name:tt, perf, $description:tt } => {
  49         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  50     };
  51     { pub $name:tt, pedantic, $description:tt } => {
  52         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  53     };
  54     { pub $name:tt, restriction, $description:tt } => {
  55         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  56     };
  57     { pub $name:tt, cargo, $description:tt } => {
  58         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  59     };
  60     { pub $name:tt, nursery, $description:tt } => {
  61         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  62     };
  63     { pub $name:tt, internal, $description:tt } => {
  64         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  65     };
  66     { pub $name:tt, internal_warn, $description:tt } => {
  67         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  68     };
  69 }
  70
  71 mod consts;
  72 #[macro_use]
  73 mod utils;
  74
  75 // begin lints modules, do not remove this comment, it’s used in `update_lints`
  76 pub mod approx_const;
  77 pub mod arithmetic;
  78 pub mod assign_ops;
  79 pub mod attrs;
  80 pub mod bit_mask;
  81 pub mod blacklisted_name;
  82 pub mod block_in_if_condition;
  83 pub mod booleans;
  84 pub mod bytecount;
  85 pub mod collapsible_if;
  86 pub mod const_static_lifetime;
  87 pub mod copies;
  88 pub mod copy_iterator;
  89 pub mod cyclomatic_complexity;
  90 pub mod default_trait_access;
  91 pub mod derive;
  92 pub mod doc;
  93 pub mod double_comparison;
  94 pub mod double_parens;
  95 pub mod drop_forget_ref;
  96 pub mod duration_subsec;
  97 pub mod else_if_without_else;
  98 pub mod empty_enum;
  99 pub mod entry;
 100 pub mod enum_clike;
 101 pub mod enum_glob_use;
 102 pub mod enum_variants;
 103 pub mod eq_op;
 104 pub mod erasing_op;
 105 pub mod escape;
 106 pub mod eta_reduction;
 107 pub mod eval_order_dependence;
 108 pub mod excessive_precision;
 109 pub mod explicit_write;
 110 pub mod fallible_impl_from;
 111 pub mod format;
 112 pub mod formatting;
 113 pub mod functions;
 114 pub mod identity_conversion;
 115 pub mod identity_op;
 116 pub mod if_let_redundant_pattern_matching;
 117 pub mod if_not_else;
 118 pub mod indexing_slicing;
 119 pub mod infallible_destructuring_match;
 120 pub mod infinite_iter;
 121 pub mod inherent_impl;
 122 pub mod inline_fn_without_body;
 123 pub mod int_plus_one;
 124 pub mod invalid_ref;
 125 pub mod items_after_statements;
 126 pub mod large_enum_variant;
 127 pub mod len_zero;
 128 pub mod let_if_seq;
 129 pub mod lifetimes;
 130 pub mod literal_representation;
 131 pub mod loops;
 132 pub mod map_unit_fn;
 133 pub mod matches;
 134 pub mod mem_forget;
 135 pub mod mem_replace;
 136 pub mod methods;
 137 pub mod minmax;
 138 pub mod misc;
 139 pub mod misc_early;
 140 pub mod missing_doc;
 141 pub mod missing_inline;
 142 pub mod multiple_crate_versions;
 143 pub mod mut_mut;
 144 pub mod mut_reference;
 145 pub mod mutex_atomic;
 146 pub mod needless_bool;
 147 pub mod needless_borrow;
 148 pub mod needless_borrowed_ref;
 149 pub mod needless_continue;
 150 pub mod needless_pass_by_value;
 151 pub mod needless_update;
 152 pub mod neg_cmp_op_on_partial_ord;
 153 pub mod neg_multiply;
 154 pub mod new_without_default;
 155 pub mod no_effect;
 156 pub mod non_copy_const;
 157 pub mod non_expressive_names;
 158 pub mod ok_if_let;
 159 pub mod open_options;
 160 pub mod overflow_check_conditional;
 161 pub mod panic_unimplemented;
 162 pub mod partialeq_ne_impl;
 163 pub mod precedence;
 164 pub mod ptr;
 165 pub mod ptr_offset_with_cast;
 166 pub mod question_mark;
 167 pub mod ranges;
 168 pub mod redundant_field_names;
 169 pub mod reference;
 170 pub mod regex;
 171 pub mod replace_consts;
 172 pub mod returns;
 173 pub mod serde_api;
 174 pub mod shadow;
 175 pub mod strings;
 176 pub mod suspicious_trait_impl;
 177 pub mod swap;
 178 pub mod temporary_assignment;
 179 pub mod transmute;
 180 pub mod trivially_copy_pass_by_ref;
 181 pub mod types;
 182 pub mod unicode;
 183 pub mod unsafe_removed_from_name;
 184 pub mod unused_io_amount;
 185 pub mod unused_label;
 186 pub mod unwrap;
 187 pub mod use_self;
 188 pub mod vec;
 189 pub mod write;
 190 pub mod zero_div_zero;
 191 // end lints modules, do not remove this comment, it’s used in `update_lints`
 192
 193 pub use crate::utils::conf::Conf;
 194
 195 mod reexport {
 196     crate use crate::syntax::ast::{Name, NodeId};
 197 }
 198
 199 pub fn register_pre_expansion_lints(session: &rustc::session::Session, store: &mut rustc::lint::LintStore, conf: &Conf) {
 200     store.register_pre_expansion_pass(Some(session), box write::Pass);
 201     store.register_pre_expansion_pass(Some(session), box redundant_field_names::RedundantFieldNames);
 202     store.register_pre_expansion_pass(Some(session), box non_expressive_names::NonExpressiveNames {
 203         single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
 204     });
 205 }
 206
 207 pub fn read_conf(reg: &rustc_plugin::Registry<'_>) -> Conf {
 208     match utils::conf::file_from_args(reg.args()) {
 209         Ok(file_name) => {
 210             // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
 211             // do not require the file to exist
 212             let file_name = if let Some(file_name) = file_name {
 213                 Some(file_name)
 214             } else {
 215                 match utils::conf::lookup_conf_file() {
 216                     Ok(path) => path,
 217                     Err(error) => {
 218                         reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
 219                         None
 220                     }
 221                 }
 222             };
 223
 224             let file_name = file_name.map(|file_name| if file_name.is_relative() {
 225                 reg.sess
 226                     .local_crate_source_file
 227                     .as_ref()
 228                     .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
 229                     .unwrap_or_default()
 230                     .join(file_name)
 231             } else {
 232                 file_name
 233             });
 234
 235             let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
 236
 237             // all conf errors are non-fatal, we just use the default conf in case of error
 238             for error in errors {
 239                 reg.sess.struct_err(&format!("error reading Clippy's configuration file `{}`: {}", file_name.as_ref().and_then(|p| p.to_str()).unwrap_or(""), error)).emit();
 240             }
 241
 242             conf
 243         }
 244         Err((err, span)) => {
 245             reg.sess.struct_span_err(span, err)
 246                     .span_note(span, "Clippy will use default configuration")
 247                     .emit();
 248             toml::from_str("").expect("we never error on empty config files")
 249         }
 250     }
 251 }
 252
 253 #[rustfmt::skip]
 254 pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
 255     let mut store = reg.sess.lint_store.borrow_mut();
 256     store.register_removed(
 257         "should_assert_eq",
 258         "`assert!()` will be more flexible with RFC 2011",
 259     );
 260     store.register_removed(
 261         "extend_from_slice",
 262         "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
 263     );
 264     store.register_removed(
 265         "range_step_by_zero",
 266         "`iterator.step_by(0)` panics nowadays",
 267     );
 268     store.register_removed(
 269         "unstable_as_slice",
 270         "`Vec::as_slice` has been stabilized in 1.7",
 271     );
 272     store.register_removed(
 273         "unstable_as_mut_slice",
 274         "`Vec::as_mut_slice` has been stabilized in 1.7",
 275     );
 276     store.register_removed(
 277         "str_to_string",
 278         "using `str::to_string` is common even today and specialization will likely happen soon",
 279     );
 280     store.register_removed(
 281         "string_to_string",
 282         "using `string::to_string` is common even today and specialization will likely happen soon",
 283     );
 284     store.register_removed(
 285         "misaligned_transmute",
 286         "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
 287     );
 288     store.register_removed(
 289         "assign_ops",
 290         "using compound assignment operators (e.g. `+=`) is harmless",
 291     );
 292     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 293
 294     reg.register_late_lint_pass(box serde_api::Serde);
 295     reg.register_early_lint_pass(box utils::internal_lints::Clippy);
 296     reg.register_late_lint_pass(box utils::internal_lints::CompilerLintFunctions::new());
 297     reg.register_early_lint_pass(box utils::internal_lints::DefaultHashTypes::default());
 298     reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
 299     reg.register_late_lint_pass(box utils::inspector::Pass);
 300     reg.register_late_lint_pass(box utils::author::Pass);
 301     reg.register_late_lint_pass(box types::TypePass);
 302     reg.register_late_lint_pass(box booleans::NonminimalBool);
 303     reg.register_late_lint_pass(box eq_op::EqOp);
 304     reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
 305     reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
 306     reg.register_late_lint_pass(box enum_clike::UnportableVariant);
 307     reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
 308     reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
 309     reg.register_late_lint_pass(box ptr::PointerPass);
 310     reg.register_late_lint_pass(box needless_bool::NeedlessBool);
 311     reg.register_late_lint_pass(box needless_bool::BoolComparison);
 312     reg.register_late_lint_pass(box approx_const::Pass);
 313     reg.register_late_lint_pass(box misc::Pass);
 314     reg.register_early_lint_pass(box precedence::Precedence);
 315     reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
 316     reg.register_late_lint_pass(box eta_reduction::EtaPass);
 317     reg.register_late_lint_pass(box identity_op::IdentityOp);
 318     reg.register_late_lint_pass(box erasing_op::ErasingOp);
 319     reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
 320     reg.register_late_lint_pass(box mut_mut::MutMut);
 321     reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
 322     reg.register_late_lint_pass(box len_zero::LenZero);
 323     reg.register_late_lint_pass(box attrs::AttrPass);
 324     reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
 325     reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
 326     reg.register_late_lint_pass(box unicode::Unicode);
 327     reg.register_late_lint_pass(box strings::StringAdd);
 328     reg.register_early_lint_pass(box returns::ReturnPass);
 329     reg.register_late_lint_pass(box methods::Pass);
 330     reg.register_late_lint_pass(box shadow::Pass);
 331     reg.register_late_lint_pass(box types::LetPass);
 332     reg.register_late_lint_pass(box types::UnitCmp);
 333     reg.register_late_lint_pass(box loops::Pass);
 334     reg.register_late_lint_pass(box lifetimes::LifetimePass);
 335     reg.register_late_lint_pass(box entry::HashMapLint);
 336     reg.register_late_lint_pass(box ranges::Pass);
 337     reg.register_late_lint_pass(box types::CastPass);
 338     reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
 339     reg.register_late_lint_pass(box matches::MatchPass);
 340     reg.register_late_lint_pass(box minmax::MinMaxPass);
 341     reg.register_late_lint_pass(box open_options::NonSensical);
 342     reg.register_late_lint_pass(box zero_div_zero::Pass);
 343     reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
 344     reg.register_late_lint_pass(box needless_update::Pass);
 345     reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
 346     reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
 347     reg.register_late_lint_pass(box no_effect::Pass);
 348     reg.register_late_lint_pass(box temporary_assignment::Pass);
 349     reg.register_late_lint_pass(box transmute::Transmute);
 350     reg.register_late_lint_pass(
 351         box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
 352     );
 353     reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
 354     reg.register_early_lint_pass(box misc_early::MiscEarly);
 355     reg.register_late_lint_pass(box panic_unimplemented::Pass);
 356     reg.register_late_lint_pass(box strings::StringLitAsBytes);
 357     reg.register_late_lint_pass(box derive::Derive);
 358     reg.register_late_lint_pass(box types::CharLitAsU8);
 359     reg.register_late_lint_pass(box vec::Pass);
 360     reg.register_late_lint_pass(box drop_forget_ref::Pass);
 361     reg.register_late_lint_pass(box empty_enum::EmptyEnum);
 362     reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
 363     reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
 364     reg.register_late_lint_pass(box regex::Pass::default());
 365     reg.register_late_lint_pass(box copies::CopyAndPaste);
 366     reg.register_late_lint_pass(box copy_iterator::CopyIterator);
 367     reg.register_late_lint_pass(box format::Pass);
 368     reg.register_early_lint_pass(box formatting::Formatting);
 369     reg.register_late_lint_pass(box swap::Swap);
 370     reg.register_early_lint_pass(box if_not_else::IfNotElse);
 371     reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
 372     reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
 373     reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
 374     reg.register_late_lint_pass(box unused_label::UnusedLabel);
 375     reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
 376     reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names.clone()));
 377     reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
 378     reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents.clone()));
 379     reg.register_late_lint_pass(box neg_multiply::NegMultiply);
 380     reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
 381     reg.register_late_lint_pass(box mem_forget::MemForget);
 382     reg.register_late_lint_pass(box mem_replace::MemReplace);
 383     reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
 384     reg.register_late_lint_pass(box assign_ops::AssignOps);
 385     reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
 386     reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
 387     reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
 388     reg.register_late_lint_pass(box missing_inline::MissingInline);
 389     reg.register_late_lint_pass(box ok_if_let::Pass);
 390     reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
 391     reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
 392     reg.register_early_lint_pass(box reference::Pass);
 393     reg.register_early_lint_pass(box reference::DerefPass);
 394     reg.register_early_lint_pass(box double_parens::DoubleParens);
 395     reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
 396     reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
 397     reg.register_late_lint_pass(box explicit_write::Pass);
 398     reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
 399     reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
 400             conf.trivial_copy_size_limit,
 401             &reg.sess.target,
 402     ));
 403     reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
 404     reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
 405             conf.literal_representation_threshold
 406     ));
 407     reg.register_late_lint_pass(box use_self::UseSelf);
 408     reg.register_late_lint_pass(box bytecount::ByteCount);
 409     reg.register_late_lint_pass(box infinite_iter::Pass);
 410     reg.register_late_lint_pass(box inline_fn_without_body::Pass);
 411     reg.register_late_lint_pass(box invalid_ref::InvalidRef);
 412     reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
 413     reg.register_late_lint_pass(box types::ImplicitHasher);
 414     reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
 415     reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
 416     reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
 417     reg.register_late_lint_pass(box types::UnitArg);
 418     reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
 419     reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
 420     reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
 421     reg.register_early_lint_pass(box multiple_crate_versions::Pass);
 422     reg.register_late_lint_pass(box map_unit_fn::Pass);
 423     reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
 424     reg.register_late_lint_pass(box inherent_impl::Pass::default());
 425     reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
 426     reg.register_late_lint_pass(box unwrap::Pass);
 427     reg.register_late_lint_pass(box duration_subsec::DurationSubsec);
 428     reg.register_late_lint_pass(box default_trait_access::DefaultTraitAccess);
 429     reg.register_late_lint_pass(box indexing_slicing::IndexingSlicing);
 430     reg.register_late_lint_pass(box non_copy_const::NonCopyConst);
 431     reg.register_late_lint_pass(box ptr_offset_with_cast::Pass);
 432
 433     reg.register_lint_group("clippy::restriction", Some("clippy_restriction"), vec![
 434         arithmetic::FLOAT_ARITHMETIC,
 435         arithmetic::INTEGER_ARITHMETIC,
 436         else_if_without_else::ELSE_IF_WITHOUT_ELSE,
 437         indexing_slicing::INDEXING_SLICING,
 438         inherent_impl::MULTIPLE_INHERENT_IMPL,
 439         literal_representation::DECIMAL_LITERAL_REPRESENTATION,
 440         mem_forget::MEM_FORGET,
 441         methods::CLONE_ON_REF_PTR,
 442         methods::OPTION_UNWRAP_USED,
 443         methods::RESULT_UNWRAP_USED,
 444         methods::WRONG_PUB_SELF_CONVENTION,
 445         misc::FLOAT_CMP_CONST,
 446         missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
 447         missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS,
 448         panic_unimplemented::UNIMPLEMENTED,
 449         shadow::SHADOW_REUSE,
 450         shadow::SHADOW_SAME,
 451         strings::STRING_ADD,
 452         write::PRINT_STDOUT,
 453         write::USE_DEBUG,
 454     ]);
 455
 456     reg.register_lint_group("clippy::pedantic", Some("clippy_pedantic"), vec![
 457         attrs::INLINE_ALWAYS,
 458         copies::MATCH_SAME_ARMS,
 459         copy_iterator::COPY_ITERATOR,
 460         default_trait_access::DEFAULT_TRAIT_ACCESS,
 461         derive::EXPL_IMPL_CLONE_ON_COPY,
 462         doc::DOC_MARKDOWN,
 463         empty_enum::EMPTY_ENUM,
 464         enum_glob_use::ENUM_GLOB_USE,
 465         enum_variants::PUB_ENUM_VARIANT_NAMES,
 466         enum_variants::STUTTER,
 467         if_not_else::IF_NOT_ELSE,
 468         infinite_iter::MAYBE_INFINITE_ITER,
 469         items_after_statements::ITEMS_AFTER_STATEMENTS,
 470         loops::EXPLICIT_INTO_ITER_LOOP,
 471         loops::EXPLICIT_ITER_LOOP,
 472         matches::SINGLE_MATCH_ELSE,
 473         methods::FILTER_MAP,
 474         methods::MAP_FLATTEN,
 475         methods::OPTION_MAP_UNWRAP_OR,
 476         methods::OPTION_MAP_UNWRAP_OR_ELSE,
 477         methods::RESULT_MAP_UNWRAP_OR_ELSE,
 478         misc::USED_UNDERSCORE_BINDING,
 479         misc_early::UNSEPARATED_LITERAL_SUFFIX,
 480         mut_mut::MUT_MUT,
 481         needless_continue::NEEDLESS_CONTINUE,
 482         non_expressive_names::SIMILAR_NAMES,
 483         replace_consts::REPLACE_CONSTS,
 484         shadow::SHADOW_UNRELATED,
 485         strings::STRING_ADD_ASSIGN,
 486         types::CAST_POSSIBLE_TRUNCATION,
 487         types::CAST_POSSIBLE_WRAP,
 488         types::CAST_PRECISION_LOSS,
 489         types::CAST_SIGN_LOSS,
 490         types::INVALID_UPCAST_COMPARISONS,
 491         types::LINKEDLIST,
 492         unicode::NON_ASCII_LITERAL,
 493         unicode::UNICODE_NOT_NFC,
 494         use_self::USE_SELF,
 495     ]);
 496
 497     reg.register_lint_group("clippy::internal", Some("clippy_internal"), vec![
 498         utils::internal_lints::CLIPPY_LINTS_INTERNAL,
 499         utils::internal_lints::COMPILER_LINT_FUNCTIONS,
 500         utils::internal_lints::DEFAULT_HASH_TYPES,
 501         utils::internal_lints::LINT_WITHOUT_LINT_PASS,
 502     ]);
 503
 504     reg.register_lint_group("clippy::all", Some("clippy"), vec![
 505         approx_const::APPROX_CONSTANT,
 506         assign_ops::ASSIGN_OP_PATTERN,
 507         assign_ops::MISREFACTORED_ASSIGN_OP,
 508         attrs::DEPRECATED_SEMVER,
 509         attrs::USELESS_ATTRIBUTE,
 510         bit_mask::BAD_BIT_MASK,
 511         bit_mask::INEFFECTIVE_BIT_MASK,
 512         bit_mask::VERBOSE_BIT_MASK,
 513         blacklisted_name::BLACKLISTED_NAME,
 514         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 515         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 516         booleans::LOGIC_BUG,
 517         booleans::NONMINIMAL_BOOL,
 518         bytecount::NAIVE_BYTECOUNT,
 519         collapsible_if::COLLAPSIBLE_IF,
 520         const_static_lifetime::CONST_STATIC_LIFETIME,
 521         copies::IF_SAME_THEN_ELSE,
 522         copies::IFS_SAME_COND,
 523         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 524         derive::DERIVE_HASH_XOR_EQ,
 525         double_comparison::DOUBLE_COMPARISONS,
 526         double_parens::DOUBLE_PARENS,
 527         drop_forget_ref::DROP_COPY,
 528         drop_forget_ref::DROP_REF,
 529         drop_forget_ref::FORGET_COPY,
 530         drop_forget_ref::FORGET_REF,
 531         duration_subsec::DURATION_SUBSEC,
 532         entry::MAP_ENTRY,
 533         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 534         enum_variants::ENUM_VARIANT_NAMES,
 535         enum_variants::MODULE_INCEPTION,
 536         eq_op::EQ_OP,
 537         eq_op::OP_REF,
 538         erasing_op::ERASING_OP,
 539         escape::BOXED_LOCAL,
 540         eta_reduction::REDUNDANT_CLOSURE,
 541         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 542         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 543         excessive_precision::EXCESSIVE_PRECISION,
 544         explicit_write::EXPLICIT_WRITE,
 545         format::USELESS_FORMAT,
 546         formatting::POSSIBLE_MISSING_COMMA,
 547         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 548         formatting::SUSPICIOUS_ELSE_FORMATTING,
 549         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 550         functions::TOO_MANY_ARGUMENTS,
 551         identity_conversion::IDENTITY_CONVERSION,
 552         identity_op::IDENTITY_OP,
 553         if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
 554         indexing_slicing::OUT_OF_BOUNDS_INDEXING,
 555         infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
 556         infinite_iter::INFINITE_ITER,
 557         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 558         int_plus_one::INT_PLUS_ONE,
 559         invalid_ref::INVALID_REF,
 560         large_enum_variant::LARGE_ENUM_VARIANT,
 561         len_zero::LEN_WITHOUT_IS_EMPTY,
 562         len_zero::LEN_ZERO,
 563         let_if_seq::USELESS_LET_IF_SEQ,
 564         lifetimes::EXTRA_UNUSED_LIFETIMES,
 565         lifetimes::NEEDLESS_LIFETIMES,
 566         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 567         literal_representation::LARGE_DIGIT_GROUPS,
 568         literal_representation::MISTYPED_LITERAL_SUFFIXES,
 569         literal_representation::UNREADABLE_LITERAL,
 570         loops::EMPTY_LOOP,
 571         loops::EXPLICIT_COUNTER_LOOP,
 572         loops::FOR_KV_MAP,
 573         loops::FOR_LOOP_OVER_OPTION,
 574         loops::FOR_LOOP_OVER_RESULT,
 575         loops::ITER_NEXT_LOOP,
 576         loops::MANUAL_MEMCPY,
 577         loops::MUT_RANGE_BOUND,
 578         loops::NEEDLESS_COLLECT,
 579         loops::NEEDLESS_RANGE_LOOP,
 580         loops::NEVER_LOOP,
 581         loops::REVERSE_RANGE_LOOP,
 582         loops::UNUSED_COLLECT,
 583         loops::WHILE_IMMUTABLE_CONDITION,
 584         loops::WHILE_LET_LOOP,
 585         loops::WHILE_LET_ON_ITERATOR,
 586         map_unit_fn::OPTION_MAP_UNIT_FN,
 587         map_unit_fn::RESULT_MAP_UNIT_FN,
 588         matches::MATCH_AS_REF,
 589         matches::MATCH_BOOL,
 590         matches::MATCH_OVERLAPPING_ARM,
 591         matches::MATCH_REF_PATS,
 592         matches::MATCH_WILD_ERR_ARM,
 593         matches::SINGLE_MATCH,
 594         mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
 595         methods::CHARS_LAST_CMP,
 596         methods::CHARS_NEXT_CMP,
 597         methods::CLONE_DOUBLE_REF,
 598         methods::CLONE_ON_COPY,
 599         methods::EXPECT_FUN_CALL,
 600         methods::FILTER_NEXT,
 601         methods::GET_UNWRAP,
 602         methods::ITER_CLONED_COLLECT,
 603         methods::ITER_NTH,
 604         methods::ITER_SKIP_NEXT,
 605         methods::NEW_RET_NO_SELF,
 606         methods::OK_EXPECT,
 607         methods::OPTION_MAP_OR_NONE,
 608         methods::OR_FUN_CALL,
 609         methods::SEARCH_IS_SOME,
 610         methods::SHOULD_IMPLEMENT_TRAIT,
 611         methods::SINGLE_CHAR_PATTERN,
 612         methods::STRING_EXTEND_CHARS,
 613         methods::TEMPORARY_CSTRING_AS_PTR,
 614         methods::UNNECESSARY_FILTER_MAP,
 615         methods::UNNECESSARY_FOLD,
 616         methods::USELESS_ASREF,
 617         methods::WRONG_SELF_CONVENTION,
 618         minmax::MIN_MAX,
 619         misc::CMP_NAN,
 620         misc::CMP_OWNED,
 621         misc::FLOAT_CMP,
 622         misc::MODULO_ONE,
 623         misc::REDUNDANT_PATTERN,
 624         misc::SHORT_CIRCUIT_STATEMENT,
 625         misc::TOPLEVEL_REF_ARG,
 626         misc::ZERO_PTR,
 627         misc_early::BUILTIN_TYPE_SHADOW,
 628         misc_early::DOUBLE_NEG,
 629         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 630         misc_early::MIXED_CASE_HEX_LITERALS,
 631         misc_early::REDUNDANT_CLOSURE_CALL,
 632         misc_early::UNNEEDED_FIELD_PATTERN,
 633         misc_early::ZERO_PREFIXED_LITERAL,
 634         mut_reference::UNNECESSARY_MUT_PASSED,
 635         mutex_atomic::MUTEX_ATOMIC,
 636         needless_bool::BOOL_COMPARISON,
 637         needless_bool::NEEDLESS_BOOL,
 638         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 639         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 640         needless_update::NEEDLESS_UPDATE,
 641         neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
 642         neg_multiply::NEG_MULTIPLY,
 643         new_without_default::NEW_WITHOUT_DEFAULT,
 644         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 645         no_effect::NO_EFFECT,
 646         no_effect::UNNECESSARY_OPERATION,
 647         non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
 648         non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
 649         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 650         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 651         ok_if_let::IF_LET_SOME_RESULT,
 652         open_options::NONSENSICAL_OPEN_OPTIONS,
 653         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 654         panic_unimplemented::PANIC_PARAMS,
 655         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 656         precedence::PRECEDENCE,
 657         ptr::CMP_NULL,
 658         ptr::MUT_FROM_REF,
 659         ptr::PTR_ARG,
 660         ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
 661         question_mark::QUESTION_MARK,
 662         ranges::ITERATOR_STEP_BY_ZERO,
 663         ranges::RANGE_MINUS_ONE,
 664         ranges::RANGE_PLUS_ONE,
 665         ranges::RANGE_ZIP_WITH_LEN,
 666         redundant_field_names::REDUNDANT_FIELD_NAMES,
 667         reference::DEREF_ADDROF,
 668         reference::REF_IN_DEREF,
 669         regex::INVALID_REGEX,
 670         regex::REGEX_MACRO,
 671         regex::TRIVIAL_REGEX,
 672         returns::LET_AND_RETURN,
 673         returns::NEEDLESS_RETURN,
 674         serde_api::SERDE_API_MISUSE,
 675         strings::STRING_LIT_AS_BYTES,
 676         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
 677         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
 678         swap::ALMOST_SWAPPED,
 679         swap::MANUAL_SWAP,
 680         temporary_assignment::TEMPORARY_ASSIGNMENT,
 681         transmute::CROSSPOINTER_TRANSMUTE,
 682         transmute::TRANSMUTE_BYTES_TO_STR,
 683         transmute::TRANSMUTE_INT_TO_BOOL,
 684         transmute::TRANSMUTE_INT_TO_CHAR,
 685         transmute::TRANSMUTE_INT_TO_FLOAT,
 686         transmute::TRANSMUTE_PTR_TO_PTR,
 687         transmute::TRANSMUTE_PTR_TO_REF,
 688         transmute::USELESS_TRANSMUTE,
 689         transmute::WRONG_TRANSMUTE,
 690         trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
 691         types::ABSURD_EXTREME_COMPARISONS,
 692         types::BORROWED_BOX,
 693         types::BOX_VEC,
 694         types::CAST_LOSSLESS,
 695         types::CAST_PTR_ALIGNMENT,
 696         types::CHAR_LIT_AS_U8,
 697         types::IMPLICIT_HASHER,
 698         types::LET_UNIT_VALUE,
 699         types::OPTION_OPTION,
 700         types::TYPE_COMPLEXITY,
 701         types::UNIT_ARG,
 702         types::UNIT_CMP,
 703         types::UNNECESSARY_CAST,
 704         unicode::ZERO_WIDTH_SPACE,
 705         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 706         unused_io_amount::UNUSED_IO_AMOUNT,
 707         unused_label::UNUSED_LABEL,
 708         vec::USELESS_VEC,
 709         write::PRINT_LITERAL,
 710         write::PRINT_WITH_NEWLINE,
 711         write::PRINTLN_EMPTY_STRING,
 712         write::WRITE_LITERAL,
 713         write::WRITE_WITH_NEWLINE,
 714         write::WRITELN_EMPTY_STRING,
 715         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 716     ]);
 717
 718     reg.register_lint_group("clippy::style", Some("clippy_style"), vec![
 719         assign_ops::ASSIGN_OP_PATTERN,
 720         bit_mask::VERBOSE_BIT_MASK,
 721         blacklisted_name::BLACKLISTED_NAME,
 722         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 723         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 724         collapsible_if::COLLAPSIBLE_IF,
 725         const_static_lifetime::CONST_STATIC_LIFETIME,
 726         enum_variants::ENUM_VARIANT_NAMES,
 727         enum_variants::MODULE_INCEPTION,
 728         eq_op::OP_REF,
 729         eta_reduction::REDUNDANT_CLOSURE,
 730         excessive_precision::EXCESSIVE_PRECISION,
 731         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 732         formatting::SUSPICIOUS_ELSE_FORMATTING,
 733         if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
 734         infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
 735         len_zero::LEN_WITHOUT_IS_EMPTY,
 736         len_zero::LEN_ZERO,
 737         let_if_seq::USELESS_LET_IF_SEQ,
 738         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 739         literal_representation::LARGE_DIGIT_GROUPS,
 740         literal_representation::UNREADABLE_LITERAL,
 741         loops::EMPTY_LOOP,
 742         loops::FOR_KV_MAP,
 743         loops::NEEDLESS_RANGE_LOOP,
 744         loops::WHILE_LET_ON_ITERATOR,
 745         matches::MATCH_BOOL,
 746         matches::MATCH_OVERLAPPING_ARM,
 747         matches::MATCH_REF_PATS,
 748         matches::MATCH_WILD_ERR_ARM,
 749         matches::SINGLE_MATCH,
 750         mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
 751         methods::CHARS_LAST_CMP,
 752         methods::GET_UNWRAP,
 753         methods::ITER_CLONED_COLLECT,
 754         methods::ITER_SKIP_NEXT,
 755         methods::NEW_RET_NO_SELF,
 756         methods::OK_EXPECT,
 757         methods::OPTION_MAP_OR_NONE,
 758         methods::SHOULD_IMPLEMENT_TRAIT,
 759         methods::STRING_EXTEND_CHARS,
 760         methods::UNNECESSARY_FOLD,
 761         methods::WRONG_SELF_CONVENTION,
 762         misc::REDUNDANT_PATTERN,
 763         misc::TOPLEVEL_REF_ARG,
 764         misc::ZERO_PTR,
 765         misc_early::BUILTIN_TYPE_SHADOW,
 766         misc_early::DOUBLE_NEG,
 767         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 768         misc_early::MIXED_CASE_HEX_LITERALS,
 769         misc_early::UNNEEDED_FIELD_PATTERN,
 770         mut_reference::UNNECESSARY_MUT_PASSED,
 771         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 772         neg_multiply::NEG_MULTIPLY,
 773         new_without_default::NEW_WITHOUT_DEFAULT,
 774         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 775         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 776         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 777         ok_if_let::IF_LET_SOME_RESULT,
 778         panic_unimplemented::PANIC_PARAMS,
 779         ptr::CMP_NULL,
 780         ptr::PTR_ARG,
 781         question_mark::QUESTION_MARK,
 782         redundant_field_names::REDUNDANT_FIELD_NAMES,
 783         regex::REGEX_MACRO,
 784         regex::TRIVIAL_REGEX,
 785         returns::LET_AND_RETURN,
 786         returns::NEEDLESS_RETURN,
 787         strings::STRING_LIT_AS_BYTES,
 788         types::IMPLICIT_HASHER,
 789         types::LET_UNIT_VALUE,
 790         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 791         write::PRINT_LITERAL,
 792         write::PRINT_WITH_NEWLINE,
 793         write::PRINTLN_EMPTY_STRING,
 794         write::WRITE_LITERAL,
 795         write::WRITE_WITH_NEWLINE,
 796         write::WRITELN_EMPTY_STRING,
 797     ]);
 798
 799     reg.register_lint_group("clippy::complexity", Some("clippy_complexity"), vec![
 800         assign_ops::MISREFACTORED_ASSIGN_OP,
 801         booleans::NONMINIMAL_BOOL,
 802         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 803         double_comparison::DOUBLE_COMPARISONS,
 804         double_parens::DOUBLE_PARENS,
 805         duration_subsec::DURATION_SUBSEC,
 806         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 807         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 808         explicit_write::EXPLICIT_WRITE,
 809         format::USELESS_FORMAT,
 810         functions::TOO_MANY_ARGUMENTS,
 811         identity_conversion::IDENTITY_CONVERSION,
 812         identity_op::IDENTITY_OP,
 813         int_plus_one::INT_PLUS_ONE,
 814         lifetimes::EXTRA_UNUSED_LIFETIMES,
 815         lifetimes::NEEDLESS_LIFETIMES,
 816         loops::EXPLICIT_COUNTER_LOOP,
 817         loops::MUT_RANGE_BOUND,
 818         loops::WHILE_LET_LOOP,
 819         map_unit_fn::OPTION_MAP_UNIT_FN,
 820         map_unit_fn::RESULT_MAP_UNIT_FN,
 821         matches::MATCH_AS_REF,
 822         methods::CHARS_NEXT_CMP,
 823         methods::CLONE_ON_COPY,
 824         methods::FILTER_NEXT,
 825         methods::SEARCH_IS_SOME,
 826         methods::UNNECESSARY_FILTER_MAP,
 827         methods::USELESS_ASREF,
 828         misc::SHORT_CIRCUIT_STATEMENT,
 829         misc_early::REDUNDANT_CLOSURE_CALL,
 830         misc_early::ZERO_PREFIXED_LITERAL,
 831         needless_bool::BOOL_COMPARISON,
 832         needless_bool::NEEDLESS_BOOL,
 833         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 834         needless_update::NEEDLESS_UPDATE,
 835         neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
 836         no_effect::NO_EFFECT,
 837         no_effect::UNNECESSARY_OPERATION,
 838         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 839         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 840         precedence::PRECEDENCE,
 841         ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
 842         ranges::RANGE_MINUS_ONE,
 843         ranges::RANGE_PLUS_ONE,
 844         ranges::RANGE_ZIP_WITH_LEN,
 845         reference::DEREF_ADDROF,
 846         reference::REF_IN_DEREF,
 847         swap::MANUAL_SWAP,
 848         temporary_assignment::TEMPORARY_ASSIGNMENT,
 849         transmute::CROSSPOINTER_TRANSMUTE,
 850         transmute::TRANSMUTE_BYTES_TO_STR,
 851         transmute::TRANSMUTE_INT_TO_BOOL,
 852         transmute::TRANSMUTE_INT_TO_CHAR,
 853         transmute::TRANSMUTE_INT_TO_FLOAT,
 854         transmute::TRANSMUTE_PTR_TO_PTR,
 855         transmute::TRANSMUTE_PTR_TO_REF,
 856         transmute::USELESS_TRANSMUTE,
 857         types::BORROWED_BOX,
 858         types::CAST_LOSSLESS,
 859         types::CHAR_LIT_AS_U8,
 860         types::OPTION_OPTION,
 861         types::TYPE_COMPLEXITY,
 862         types::UNIT_ARG,
 863         types::UNNECESSARY_CAST,
 864         unused_label::UNUSED_LABEL,
 865         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 866     ]);
 867
 868     reg.register_lint_group("clippy::correctness", Some("clippy_correctness"), vec![
 869         approx_const::APPROX_CONSTANT,
 870         attrs::DEPRECATED_SEMVER,
 871         attrs::USELESS_ATTRIBUTE,
 872         bit_mask::BAD_BIT_MASK,
 873         bit_mask::INEFFECTIVE_BIT_MASK,
 874         booleans::LOGIC_BUG,
 875         copies::IF_SAME_THEN_ELSE,
 876         copies::IFS_SAME_COND,
 877         derive::DERIVE_HASH_XOR_EQ,
 878         drop_forget_ref::DROP_COPY,
 879         drop_forget_ref::DROP_REF,
 880         drop_forget_ref::FORGET_COPY,
 881         drop_forget_ref::FORGET_REF,
 882         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 883         eq_op::EQ_OP,
 884         erasing_op::ERASING_OP,
 885         formatting::POSSIBLE_MISSING_COMMA,
 886         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 887         indexing_slicing::OUT_OF_BOUNDS_INDEXING,
 888         infinite_iter::INFINITE_ITER,
 889         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 890         invalid_ref::INVALID_REF,
 891         literal_representation::MISTYPED_LITERAL_SUFFIXES,
 892         loops::FOR_LOOP_OVER_OPTION,
 893         loops::FOR_LOOP_OVER_RESULT,
 894         loops::ITER_NEXT_LOOP,
 895         loops::NEVER_LOOP,
 896         loops::REVERSE_RANGE_LOOP,
 897         loops::WHILE_IMMUTABLE_CONDITION,
 898         methods::CLONE_DOUBLE_REF,
 899         methods::TEMPORARY_CSTRING_AS_PTR,
 900         minmax::MIN_MAX,
 901         misc::CMP_NAN,
 902         misc::FLOAT_CMP,
 903         misc::MODULO_ONE,
 904         non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
 905         non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
 906         open_options::NONSENSICAL_OPEN_OPTIONS,
 907         ptr::MUT_FROM_REF,
 908         ranges::ITERATOR_STEP_BY_ZERO,
 909         regex::INVALID_REGEX,
 910         serde_api::SERDE_API_MISUSE,
 911         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
 912         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
 913         swap::ALMOST_SWAPPED,
 914         transmute::WRONG_TRANSMUTE,
 915         types::ABSURD_EXTREME_COMPARISONS,
 916         types::CAST_PTR_ALIGNMENT,
 917         types::UNIT_CMP,
 918         unicode::ZERO_WIDTH_SPACE,
 919         unused_io_amount::UNUSED_IO_AMOUNT,
 920     ]);
 921
 922     reg.register_lint_group("clippy::perf", Some("clippy_perf"), vec![
 923         bytecount::NAIVE_BYTECOUNT,
 924         entry::MAP_ENTRY,
 925         escape::BOXED_LOCAL,
 926         large_enum_variant::LARGE_ENUM_VARIANT,
 927         loops::MANUAL_MEMCPY,
 928         loops::NEEDLESS_COLLECT,
 929         loops::UNUSED_COLLECT,
 930         methods::EXPECT_FUN_CALL,
 931         methods::ITER_NTH,
 932         methods::OR_FUN_CALL,
 933         methods::SINGLE_CHAR_PATTERN,
 934         misc::CMP_OWNED,
 935         mutex_atomic::MUTEX_ATOMIC,
 936         trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
 937         types::BOX_VEC,
 938         vec::USELESS_VEC,
 939     ]);
 940
 941     reg.register_lint_group("clippy::cargo", Some("clippy_cargo"), vec![
 942         multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
 943     ]);
 944
 945     reg.register_lint_group("clippy::nursery", Some("clippy_nursery"), vec![
 946         attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
 947         fallible_impl_from::FALLIBLE_IMPL_FROM,
 948         mutex_atomic::MUTEX_INTEGER,
 949         needless_borrow::NEEDLESS_BORROW,
 950         unwrap::PANICKING_UNWRAP,
 951         unwrap::UNNECESSARY_UNWRAP,
 952     ]);
 953 }
 954
 955 // only exists to let the dogfood integration test works.
 956 // Don't run clippy as an executable directly
 957 #[allow(dead_code, clippy::print_stdout)]
 958 fn main() {
 959     panic!("Please use the cargo-clippy executable");
 960 }