Audit Symbols
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 4ae4aac..9e16ee1 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -158,12 +158,9 @@
         AcqRel,
         Acquire,
         Alignment,
-        Any,
         Arc,
         ArcWeak,
-        Argument,
         Array,
-        ArrayIntoIter,
         AsMut,
         AsRef,
         AssertParamIsClone,
@@ -186,11 +183,7 @@
         AtomicU64,
         AtomicU128,
         AtomicUsize,
-        AutoTrait,
-        BTreeEntry,
         BTreeMap,
-        BTreeSet,
-        BinaryHeap,
         Bool,
         Borrow,
         BorrowMut,
@@ -198,20 +191,16 @@
         BuildHasher,
         C,
         CStr,
-        C_dash_unwind: "C-unwind",
         CallOnceFuture,
         CallRefFuture,
         Capture,
         Cell,
-        Center,
         Char,
-        Child,
         Cleanup,
         Clone,
         CoercePointee,
         CoercePointeeValidated,
         CoerceUnsized,
-        Command,
         Const,
         ConstParamTy,
         ConstParamTy_,
@@ -219,36 +208,20 @@
         Continue,
         ControlFlow,
         Copy,
-        Cow,
         Debug,
-        DebugStruct,
-        Decodable,
-        Decoder,
         Default,
         Deref,
-        DiagMessage,
-        Diagnostic,
-        DirBuilder,
         DispatchFromDyn,
         Display,
-        DoubleEndedIterator,
-        Duration,
         DynTrait,
-        Encodable,
-        Encoder,
         Enum,
-        Enumerate,
         Eq,
         Equal,
         Err,
-        Error,
         ExternC,
         ExternRust,
-        File,
-        FileType,
         Float,
         FmtArgumentsNew,
-        FmtWrite,
         Fn,
         FnMut,
         FnOnce,
@@ -258,54 +231,31 @@
         From,
         FromIterator,
         FromResidual,
-        FsOpenOptions,
-        FsPermissions,
-        FusedIterator,
-        Future,
         GlobalAlloc,
         Hash,
         HashMap,
-        HashMapEntry,
         HashSet,
         Hasher,
-        Implied,
         InCleanup,
         IndexOutput,
         Input,
-        Instant,
         Int,
         Into,
         IntoFuture,
         IntoIterator,
         IntoIteratorItem,
-        IoBufRead,
-        IoLines,
-        IoRead,
-        IoSeek,
-        IoWrite,
-        IpAddr,
-        Ipv4Addr,
-        Ipv6Addr,
         IrTyKind,
-        Is,
         Item,
         ItemContext,
-        IterEmpty,
-        IterOnce,
-        IterPeekable,
         Iterator,
         IteratorItem,
         IteratorMap,
         Layout,
-        Left,
         Lifetime,
-        LinkedList,
-        LintDiagnostic,
         LintPass,
         LocalKey,
         Mutex,
         MutexGuard,
-        N,
         Named,
         NonNull,
         NonZero,
@@ -315,24 +265,17 @@
         Option,
         Ord,
         Ordering,
-        OsStr,
-        OsString,
         Other,
         Output,
-        Param,
         ParamSet,
         PartialEq,
         PartialOrd,
-        Path,
-        PathBuf,
         Pending,
-        PinCoerceUnsized,
         PinDerefMutHelper,
         Pointer,
         Poll,
         ProcMacro,
         Range,
-        RangeBounds,
         RangeCopy,
         RangeFrom,
         RangeFromCopy,
@@ -348,48 +291,35 @@
         Rc,
         RcWeak,
         Ready,
-        Receiver,
         RefCell,
-        RefCellRef,
-        RefCellRefMut,
         Reference,
         Relaxed,
         Release,
         Result,
         ResumeTy,
-        Return,
         Reverse,
-        Right,
         Rust,
         RustaceansAreAwesome,
         RwLock,
         RwLockReadGuard,
         RwLockWriteGuard,
-        Saturating,
-        SeekFrom,
         SelfTy,
         Send,
         SeqCst,
         Sized,
         Slice,
         SliceIndex,
-        SliceIter,
         Some,
         SpanCtxt,
-        Stdin,
         Str,
         String,
         Struct,
         StructuralPartialEq,
-        Subdiagnostic,
         SymbolIntern,
         Sync,
         SyncUnsafeCell,
-        T,
         Target,
         This,
-        ToOwned,
-        ToString,
         TokenStream,
         Trait,
         TrivialClone,
@@ -404,21 +334,12 @@
         TyKind,
         Type,
         Union,
-        Unknown,
         Unsize,
-        UnsizedConstParamTy,
-        Upvars,
         Vec,
-        VecDeque,
-        Waker,
         Wrapper,
-        Wrapping,
-        Yield,
         _DECLS,
-        __D,
         __H,
         __S,
-        __T,
         __awaitee,
         __try_var,
         _t,
@@ -480,7 +401,6 @@
         and,
         and_then,
         anon,
-        anon_adt,
         anon_assoc,
         anonymous_lifetime_in_impl_trait,
         any,
@@ -499,9 +419,7 @@
         arm_target_feature,
         array,
         as_dash_needed: "as-needed",
-        as_ptr,
         as_ref,
-        as_str,
         asm,
         asm_cfg,
         asm_const,
@@ -551,7 +469,6 @@
         async_iterator,
         async_iterator_poll_next,
         async_trait_bounds,
-        atomic,
         atomic_and,
         atomic_cxchg,
         atomic_cxchgweak,
@@ -600,7 +517,6 @@
         bikeshed,
         bikeshed_guaranteed_no_drop,
         bin,
-        binaryheap_iter,
         bind_by_move_pattern_guards,
         bindings_after_at,
         bitand,
@@ -615,7 +531,6 @@
         block,
         blocking,
         bool,
-        bool_then,
         borrowck_graphviz_format,
         borrowck_graphviz_postflow,
         box_new,
@@ -629,15 +544,11 @@
         breakpoint,
         bridge,
         bswap,
-        btreemap_contains_key,
-        btreemap_insert,
-        btreeset_iter,
         built,
         builtin_syntax,
         bundle,
         c,
         c_dash_variadic,
-        c_str,
         c_str_literals,
         c_unwind,
         c_variadic,
@@ -670,7 +581,6 @@
         cfg_doctest,
         cfg_emscripten_wasm_eh,
         cfg_eval,
-        cfg_fmt_debug,
         cfg_overflow_checks,
         cfg_panic,
         cfg_relocation_model,
@@ -691,10 +601,6 @@
         cfi,
         cfi_encoding,
         char,
-        char_is_ascii,
-        char_to_digit,
-        child_id,
-        child_kill,
         client,
         clippy,
         clobber_abi,
@@ -707,8 +613,6 @@
         closure_to_fn_coercion,
         closure_track_caller,
         cmp,
-        cmp_max,
-        cmp_min,
         cmp_ord_max,
         cmp_ord_min,
         cmp_partialeq_eq,
@@ -799,7 +703,6 @@
         contracts_internals,
         contracts_requires,
         convert,
-        convert_identity,
         copy,
         copy_closures,
         copy_nonoverlapping,
@@ -810,7 +713,6 @@
         core,
         core_panic,
         core_panic_2015_macro,
-        core_panic_2021_macro,
         core_panic_macro,
         coroutine,
         coroutine_clone,
@@ -836,7 +738,6 @@
         csky,
         csky_target_feature,
         cstr_type,
-        cstring_as_c_str,
         cstring_type,
         ctlz,
         ctlz_nonzero,
@@ -852,7 +753,6 @@
         custom_test_frameworks,
         d,
         d32,
-        dbg_macro,
         dead_code,
         dealloc,
         debug,
@@ -860,14 +760,11 @@
         debug_assert_macro,
         debug_assert_ne_macro,
         debug_assertions,
-        debug_struct,
         debug_struct_fields_finish,
-        debug_tuple,
         debug_tuple_fields_finish,
         debugger_visualizer,
         decl_macro,
         declare_lint_pass,
-        decode,
         decorated,
         default_alloc_error_handler,
         default_field_values,
@@ -886,7 +783,6 @@
         default_type_parameter_fallback,
         default_type_params,
         define_opaque,
-        delayed_bug_from_inside_query,
         deny,
         deprecated,
         deprecated_safe,
@@ -894,12 +790,10 @@
         deref,
         deref_method,
         deref_mut,
-        deref_mut_method,
         deref_patterns,
         deref_pure,
         deref_target,
         derive,
-        derive_coerce_pointee,
         derive_const,
         derive_const_issue: "118304",
         derive_default_enum,
@@ -933,7 +827,6 @@
         doc_primitive,
         doc_spotlight,
         doctest,
-        dotdot: "..",
         dotdot_in_tuple_patterns,
         dotdoteq_in_patterns,
         dreg,
@@ -960,16 +853,9 @@
         eh_personality,
         eii,
         eii_declaration,
-        eii_impl,
         eii_internals,
         eii_shared_macro,
         element_ty,
-        emit,
-        emit_enum,
-        emit_enum_variant,
-        emit_enum_variant_arg,
-        emit_struct,
-        emit_struct_field,
         // Notes about `sym::empty`:
         // - It should only be used when it genuinely means "empty symbol". Use
         //   `Option<Symbol>` when "no symbol" is a possibility.
@@ -980,14 +866,10 @@
         empty: "",
         emscripten_wasm_eh,
         enable,
-        encode,
         end,
         entry_nops,
-        enumerate_method,
         env,
         env_CFG_RELEASE: env!("CFG_RELEASE"),
-        eprint_macro,
-        eprintln_macro,
         eq,
         ergonomic_clones,
         ermsb_target_feature,
@@ -1032,49 +914,13 @@
         external_doc,
         f,
         f16,
-        f16_consts_mod,
-        f16_epsilon,
         f16_nan,
         f16c_target_feature,
         f32,
-        f32_consts_mod,
-        f32_epsilon,
-        f32_legacy_const_digits,
-        f32_legacy_const_epsilon,
-        f32_legacy_const_infinity,
-        f32_legacy_const_mantissa_dig,
-        f32_legacy_const_max,
-        f32_legacy_const_max_10_exp,
-        f32_legacy_const_max_exp,
-        f32_legacy_const_min,
-        f32_legacy_const_min_10_exp,
-        f32_legacy_const_min_exp,
-        f32_legacy_const_min_positive,
-        f32_legacy_const_nan,
-        f32_legacy_const_neg_infinity,
-        f32_legacy_const_radix,
         f32_nan,
         f64,
-        f64_consts_mod,
-        f64_epsilon,
-        f64_legacy_const_digits,
-        f64_legacy_const_epsilon,
-        f64_legacy_const_infinity,
-        f64_legacy_const_mantissa_dig,
-        f64_legacy_const_max,
-        f64_legacy_const_max_10_exp,
-        f64_legacy_const_max_exp,
-        f64_legacy_const_min,
-        f64_legacy_const_min_10_exp,
-        f64_legacy_const_min_exp,
-        f64_legacy_const_min_positive,
-        f64_legacy_const_nan,
-        f64_legacy_const_neg_infinity,
-        f64_legacy_const_radix,
         f64_nan,
         f128,
-        f128_consts_mod,
-        f128_epsilon,
         f128_nan,
         fabsf16,
         fabsf32,
@@ -1090,18 +936,13 @@
         fence,
         ferris: "🦀",
         fetch_update,
-        ffi,
         ffi_const,
         ffi_pure,
         ffi_returns_twice,
-        field,
         field_init_shorthand,
         fields,
         file,
-        file_options,
         final_associated_functions,
-        flags,
-        float,
         float_to_int_unchecked,
         floorf16,
         floorf32,
@@ -1131,10 +972,8 @@
         forbid,
         force_target_feature,
         forget,
-        format,
         format_args,
         format_args_capture,
-        format_args_macro,
         format_args_nl,
         format_argument,
         format_arguments,
@@ -1147,28 +986,21 @@
         frem_fast,
         from,
         from_desugaring,
-        from_fn,
         from_iter,
-        from_iter_fn,
         from_output,
         from_residual,
         from_size_align_unchecked,
         from_size_alignment_unchecked,
         from_str,
-        from_str_method,
         from_str_nonconst,
-        from_u16,
         from_usize,
         from_yeet,
         frontmatter,
-        fs_create_dir,
         fsub_algebraic,
         fsub_fast,
         full,
         fundamental,
         fused_iterator,
-        future,
-        future_drop_poll,
         future_output,
         future_trait,
         fxsr,
@@ -1199,61 +1031,22 @@
         half_open_range_patterns,
         half_open_range_patterns_in_slices,
         hash,
-        hashmap_contains_key,
-        hashmap_drain_ty,
-        hashmap_insert,
-        hashmap_iter_mut_ty,
-        hashmap_iter_ty,
-        hashmap_keys_ty,
-        hashmap_values_mut_ty,
-        hashmap_values_ty,
-        hashset_drain_ty,
-        hashset_iter,
-        hashset_iter_ty,
         hexagon,
         hexagon_target_feature,
         hidden,
         hide,
-        hint,
         homogeneous_aggregate,
-        host,
         html_favicon_url,
         html_logo_url,
         html_no_source,
         html_playground_url,
         html_root_url,
         hwaddress,
-        i,
         i8,
-        i8_legacy_const_max,
-        i8_legacy_const_min,
-        i8_legacy_fn_max_value,
-        i8_legacy_fn_min_value,
-        i8_legacy_mod,
         i16,
-        i16_legacy_const_max,
-        i16_legacy_const_min,
-        i16_legacy_fn_max_value,
-        i16_legacy_fn_min_value,
-        i16_legacy_mod,
         i32,
-        i32_legacy_const_max,
-        i32_legacy_const_min,
-        i32_legacy_fn_max_value,
-        i32_legacy_fn_min_value,
-        i32_legacy_mod,
         i64,
-        i64_legacy_const_max,
-        i64_legacy_const_min,
-        i64_legacy_fn_max_value,
-        i64_legacy_fn_min_value,
-        i64_legacy_mod,
         i128,
-        i128_legacy_const_max,
-        i128_legacy_const_min,
-        i128_legacy_fn_max_value,
-        i128_legacy_fn_min_value,
-        i128_legacy_mod,
         i128_type,
         ident,
         if_let,
@@ -1268,7 +1061,6 @@
         impl_trait_in_bindings,
         impl_trait_in_fn_trait_return,
         impl_trait_projections,
-        implement_via_object,
         implied_by,
         import,
         import_name_type,
@@ -1278,16 +1070,13 @@
         in_band_lifetimes,
         include,
         include_bytes,
-        include_bytes_macro,
         include_str,
-        include_str_macro,
         inclusive_range_syntax,
         index,
         index_mut,
         infer_outlives_requirements,
         infer_static_outlives_requirements,
         inherent_associated_types,
-        inherit,
         initial,
         inlateout,
         inline,
@@ -1295,7 +1084,6 @@
         inline_const_pat,
         inout,
         inputs,
-        instant_now,
         instruction_set,
         integer_: "integer", // underscore to avoid clashing with the function `sym::integer` below
         integral,
@@ -1307,34 +1095,19 @@
         into_try_type,
         intra_doc_pointers,
         intrinsics,
-        intrinsics_unaligned_volatile_load,
-        intrinsics_unaligned_volatile_store,
-        io_error_new,
-        io_errorkind,
-        io_stderr,
-        io_stdout,
         irrefutable_let_patterns,
         is,
         is_auto,
         is_val_statically_known,
         isa_attribute,
         isize,
-        isize_legacy_const_max,
-        isize_legacy_const_min,
-        isize_legacy_fn_max_value,
-        isize_legacy_fn_min_value,
-        isize_legacy_mod,
         issue,
         issue_5723_bootstrap,
         issue_tracker_base_url,
         item,
         item_like_imports,
         iter,
-        iter_cloned,
-        iter_copied,
-        iter_filter,
         iter_mut,
-        iter_repeat,
         iterator,
         iterator_collect_fn,
         kcfi,
@@ -1365,7 +1138,6 @@
         lifetime,
         lifetime_capture_rules_2024,
         lifetimes,
-        likely,
         line,
         link,
         link_arg_attribute,
@@ -1412,7 +1184,6 @@
         macro_at_most_once_rep,
         macro_attr,
         macro_attributes_in_derive_output,
-        macro_concat,
         macro_derive,
         macro_escape,
         macro_export,
@@ -1434,7 +1205,6 @@
         masked,
         match_beginning_vert,
         match_default_bindings,
-        matches_macro,
         maximumf16,
         maximumf32,
         maximumf64,
@@ -1449,14 +1219,10 @@
         maybe_uninit_uninit,
         maybe_uninit_zeroed,
         mem_align_const,
-        mem_align_of,
         mem_discriminant,
         mem_drop,
         mem_forget,
-        mem_replace,
         mem_size_const,
-        mem_size_of,
-        mem_size_of_val,
         mem_swap,
         mem_uninitialized,
         mem_variant_count,
@@ -1497,12 +1263,10 @@
         mir_cast_unsize,
         mir_checked,
         mir_debuginfo,
-        mir_deinit,
         mir_discriminant,
         mir_drop,
         mir_field,
         mir_goto,
-        mir_len,
         mir_make_place,
         mir_move,
         mir_offset,
@@ -1575,7 +1339,6 @@
         never_type_fallback,
         new,
         new_binary,
-        new_const,
         new_debug,
         new_debug_noop,
         new_display,
@@ -1587,10 +1350,7 @@
         new_unchecked,
         new_upper_exp,
         new_upper_hex,
-        new_v1,
-        new_v1_formatted,
         next,
-        niko,
         nll,
         no,
         no_builtins,
@@ -1646,7 +1406,6 @@
         opaque,
         opaque_generic_const_args,
         opaque_module_name_placeholder: "<opaque>",
-        open_options_new,
         ops,
         opt_out_copy,
         optimize,
@@ -1655,14 +1414,10 @@
         optin_builtin_traits,
         option,
         option_env,
-        option_expect,
-        option_unwrap,
         options,
         or,
         or_patterns,
         ord_cmp_method,
-        os_str_to_os_string,
-        os_string_as_os_str,
         other,
         out,
         output,
@@ -1675,7 +1430,6 @@
         panic_2015,
         panic_2021,
         panic_abort,
-        panic_any,
         panic_bounds_check,
         panic_cannot_unwind,
         panic_const_add_overflow,
@@ -1725,22 +1479,17 @@
         pat_param,
         patchable_function_entry,
         path,
-        path_main_separator,
-        path_to_pathbuf,
-        pathbuf_as_path,
         pattern_complexity_limit,
         pattern_parentheses,
         pattern_type,
         pattern_type_range_trait,
         pattern_types,
-        permissions_from_mode,
         phantom_data,
         phase,
         pic,
         pie,
         pin,
         pin_ergonomics,
-        pin_macro,
         pin_v2,
         platform_intrinsics,
         plugin,
@@ -1751,8 +1500,6 @@
         pointee_trait,
         pointer,
         poll,
-        poll_next,
-        position,
         post_cleanup: "post-cleanup",
         post_dash_lto: "post-lto",
         postfix_match,
@@ -1771,7 +1518,6 @@
         precise_capturing,
         precise_capturing_in_traits,
         precise_pointer_size_matching,
-        precision,
         predicates,
         pref_align_of,
         prefetch_read_data,
@@ -1784,8 +1530,6 @@
         prelude_import,
         preserves_flags,
         prfchw_target_feature,
-        print_macro,
-        println_macro,
         proc_dash_macro: "proc-macro",
         proc_macro,
         proc_macro_attribute,
@@ -1797,9 +1541,6 @@
         proc_macro_mod,
         proc_macro_non_items,
         proc_macro_path_invoc,
-        process_abort,
-        process_exit,
-        profiler_builtins,
         profiler_runtime,
         ptr,
         ptr_cast,
@@ -1808,7 +1549,6 @@
         ptr_const_is_null,
         ptr_copy,
         ptr_copy_nonoverlapping,
-        ptr_eq,
         ptr_from_ref,
         ptr_guaranteed_cmp,
         ptr_is_null,
@@ -1820,14 +1560,9 @@
         ptr_offset_from_unsigned,
         ptr_read,
         ptr_read_unaligned,
-        ptr_read_volatile,
         ptr_replace,
-        ptr_slice_from_raw_parts,
-        ptr_slice_from_raw_parts_mut,
         ptr_swap,
         ptr_swap_nonoverlapping,
-        ptr_without_provenance,
-        ptr_without_provenance_mut,
         ptr_write,
         ptr_write_bytes,
         ptr_write_unaligned,
@@ -1844,7 +1579,6 @@
         question_mark,
         quote,
         range_inclusive_new,
-        range_step,
         raw_dash_dylib: "raw-dylib",
         raw_dylib,
         raw_dylib_elf,
@@ -1852,11 +1586,6 @@
         raw_identifiers,
         raw_ref_op,
         re_rebalance_coherence,
-        read_enum,
-        read_enum_variant,
-        read_enum_variant_arg,
-        read_struct,
-        read_struct_field,
         read_via_copy,
         readonly,
         realloc,
@@ -1905,8 +1634,6 @@
         residual,
         result,
         result_ffi_guarantees,
-        result_ok_method,
-        resume,
         return_position_impl_trait_in_trait,
         return_type_notation,
         riscv32,
@@ -1925,7 +1652,6 @@
         roundf32,
         roundf64,
         roundf128,
-        rt,
         rtm_target_feature,
         runtime,
         rust,
@@ -2041,7 +1767,6 @@
         rustc_regions,
         rustc_reservation_impl,
         rustc_scalable_vector,
-        rustc_serialize,
         rustc_should_not_be_called_on_const_items,
         rustc_simd_monomorphize_lane_limit,
         rustc_skip_during_method_dispatch,
@@ -2061,7 +1786,6 @@
         rustfmt,
         rvalue_static_promotion,
         rwpi,
-        s,
         s390x,
         s390x_target_feature,
         s390x_target_feature_vector,
@@ -2071,7 +1795,6 @@
         sanitizer_cfi_normalize_integers,
         sanitizer_runtime,
         saturating_add,
-        saturating_div,
         saturating_sub,
         sdylib,
         search_unbox,
@@ -2091,8 +1814,6 @@
         show,
         shr,
         shr_assign,
-        sig_dfl,
-        sig_ign,
         signed,
         simd,
         simd_add,
@@ -2182,13 +1903,10 @@
         size_of_val,
         sized,
         sized_hierarchy,
-        skip,
         slice,
         slice_from_raw_parts,
         slice_from_raw_parts_mut,
-        slice_from_ref,
         slice_get_unchecked,
-        slice_iter,
         slice_len_fn,
         slice_patterns,
         slicing_syntax,
@@ -2229,8 +1947,6 @@
         stop_after_dataflow,
         store,
         str,
-        str_chars,
-        str_ends_with,
         str_from_utf8,
         str_from_utf8_mut,
         str_from_utf8_unchecked,
@@ -2239,20 +1955,8 @@
         str_inherent_from_utf8_mut,
         str_inherent_from_utf8_unchecked,
         str_inherent_from_utf8_unchecked_mut,
-        str_len,
-        str_split_whitespace,
-        str_starts_with,
-        str_trim,
-        str_trim_end,
-        str_trim_start,
         strict_provenance_lints,
-        string_as_mut_str,
-        string_as_str,
         string_deref_patterns,
-        string_from_utf8,
-        string_insert_str,
-        string_new,
-        string_push_str,
         stringify,
         struct_field_attributes,
         struct_inherit,
@@ -2268,9 +1972,6 @@
         sym,
         sync,
         synthetic,
-        sys_mutex_lock,
-        sys_mutex_try_lock,
-        sys_mutex_unlock,
         t32,
         target,
         target_abi,
@@ -2305,16 +2006,12 @@
         test_unstable_lint,
         thread,
         thread_local,
-        thread_local_macro,
         three_way_compare,
         thumb2,
         thumb_mode: "thumb-mode",
         tmm_reg,
-        to_owned_method,
         to_string,
-        to_string_method,
         to_vec,
-        todo_macro,
         tool_attributes,
         tool_lints,
         trace_macros,
@@ -2340,7 +2037,6 @@
         try_blocks_heterogeneous,
         try_capture,
         try_from,
-        try_from_fn,
         try_into,
         try_trait_v2,
         try_trait_v2_residual,
@@ -2417,7 +2113,6 @@
         underscore_imports,
         underscore_lifetimes,
         uniform_paths,
-        unimplemented_macro,
         unit,
         universal_impl_trait,
         unix,
@@ -2494,17 +2189,6 @@
         variant_count,
         variants,
         vec,
-        vec_as_mut_slice,
-        vec_as_slice,
-        vec_from_elem,
-        vec_is_empty,
-        vec_macro,
-        vec_new,
-        vec_pop,
-        vec_reserve,
-        vec_with_capacity,
-        vecdeque_iter,
-        vecdeque_reserve,
         vector,
         verbatim,
         version,
diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs
index bdd3a69..2c7d911 100644
--- a/src/librustdoc/clean/types.rs
+++ b/src/librustdoc/clean/types.rs
@@ -1398,7 +1398,7 @@ fn is_type_alias(&self) -> bool {
     /// use rustdoc::format::cache::Cache;
     /// use rustdoc::clean::types::{Type, PrimitiveType};
     /// let cache = Cache::new(false);
-    /// let generic = Type::Generic(rustc_span::symbol::sym::Any);
+    /// let generic = Type::Generic(Symbol::intern("T"));
     /// let unit = Type::Primitive(PrimitiveType::Unit);
     /// assert!(!generic.is_doc_subtype_of(&unit, &cache));
     /// assert!(unit.is_doc_subtype_of(&generic, &cache));
diff --git a/src/librustdoc/clean/types/tests.rs b/src/librustdoc/clean/types/tests.rs
index 915b7d8..10a3857 100644
--- a/src/librustdoc/clean/types/tests.rs
+++ b/src/librustdoc/clean/types/tests.rs
@@ -73,9 +73,11 @@ fn should_not_trim() {
 fn is_same_generic() {
     use crate::clean::types::{PrimitiveType, Type};
     use crate::formats::cache::Cache;
-    let cache = Cache::new(false, false);
-    let generic = Type::Generic(rustc_span::symbol::sym::Any);
-    let unit = Type::Primitive(PrimitiveType::Unit);
-    assert!(!generic.is_doc_subtype_of(&unit, &cache));
-    assert!(unit.is_doc_subtype_of(&generic, &cache));
+    create_default_session_globals_then(|| {
+        let cache = Cache::new(false, false);
+        let generic = Type::Generic(Symbol::intern("T"));
+        let unit = Type::Primitive(PrimitiveType::Unit);
+        assert!(!generic.is_doc_subtype_of(&unit, &cache));
+        assert!(unit.is_doc_subtype_of(&generic, &cache));
+    })
 }
diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs
index 7646375..720eb8e 100644
--- a/src/librustdoc/html/format.rs
+++ b/src/librustdoc/html/format.rs
@@ -22,8 +22,8 @@
 use rustc_hir::{ConstStability, StabilityLevel, StableSince};
 use rustc_metadata::creader::CStore;
 use rustc_middle::ty::{self, TyCtxt, TypingMode};
+use rustc_span::Symbol;
 use rustc_span::symbol::kw;
-use rustc_span::{Symbol, sym};
 use tracing::{debug, trace};
 
 use super::url_parts_builder::UrlPartsBuilder;
@@ -627,8 +627,8 @@ pub(crate) fn href_relative_parts(fqp: &[Symbol], relative_to_fqp: &[Symbol]) ->
         if f != r {
             let dissimilar_part_count = relative_to_fqp.len() - i;
             let fqp_module = &fqp[i..];
-            return iter::repeat_n(sym::dotdot, dissimilar_part_count)
-                .chain(fqp_module.iter().copied())
+            return iter::repeat_n("..", dissimilar_part_count)
+                .chain(fqp_module.iter().map(|s| s.as_str()))
                 .collect();
         }
     }
@@ -640,7 +640,7 @@ pub(crate) fn href_relative_parts(fqp: &[Symbol], relative_to_fqp: &[Symbol]) ->
         Ordering::Greater => {
             // e.g. linking to std::sync from std::sync::atomic
             let dissimilar_part_count = relative_to_fqp.len() - fqp.len();
-            iter::repeat_n(sym::dotdot, dissimilar_part_count).collect()
+            iter::repeat_n("..", dissimilar_part_count).collect()
         }
         Ordering::Equal => {
             // linking to the same module
@@ -773,10 +773,10 @@ fn primitive_link_fragment(
                     ExternalLocation::Local => {
                         let cname_sym = ExternalCrate { crate_num: def_id.krate }.name(cx.tcx());
                         Some(if cx.current.first() == Some(&cname_sym) {
-                            iter::repeat_n(sym::dotdot, cx.current.len() - 1).collect()
+                            iter::repeat_n("..", cx.current.len() - 1).collect()
                         } else {
-                            iter::repeat_n(sym::dotdot, cx.current.len())
-                                .chain(iter::once(cname_sym))
+                            iter::repeat_n("..", cx.current.len())
+                                .chain(iter::once(cname_sym.as_str()))
                                 .collect()
                         })
                     }
diff --git a/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs b/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs
index 31cc004..4ee955c 100644
--- a/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs
+++ b/src/tools/clippy/clippy_lints/src/await_holding_invalid.rs
@@ -2,13 +2,14 @@
 use clippy_config::types::{DisallowedPathWithoutReplacement, create_disallowed_map};
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::paths::{self, PathNS};
+use clippy_utils::sym;
 use rustc_hir as hir;
 use rustc_hir::def_id::{DefId, DefIdMap};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::mir::CoroutineLayout;
 use rustc_middle::ty::TyCtxt;
 use rustc_session::impl_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/box_default.rs b/src/tools/clippy/clippy_lints/src/box_default.rs
index 6f51f23..b78aa1f 100644
--- a/src/tools/clippy/clippy_lints/src/box_default.rs
+++ b/src/tools/clippy/clippy_lints/src/box_default.rs
@@ -1,5 +1,5 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
-use clippy_utils::is_default_equivalent;
+use clippy_utils::{is_default_equivalent, sym};
 use clippy_utils::macros::macro_backtrace;
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use clippy_utils::ty::expr_sig;
@@ -9,7 +9,7 @@
 use rustc_hir::{AmbigArg, Block, Expr, ExprKind, HirId, LangItem, LetStmt, Node, QPath, Ty, TyKind};
 use rustc_lint::{LateContext, LateLintPass, LintContext};
 use rustc_session::declare_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs b/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs
index 15ecba2..10c97fa 100644
--- a/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs
+++ b/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs
@@ -1,5 +1,6 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::SpanRangeExt;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
@@ -12,7 +13,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>,
     if let ty::RawPtr(ptrty, Mutability::Mut) = cast_to.kind()
         && let ty::RawPtr(_, Mutability::Not) = cx.typeck_results().node_type(cast_expr.hir_id).kind()
         && let ExprKind::MethodCall(method_name, receiver, [], _) = cast_expr.peel_blocks().kind
-        && method_name.ident.name == rustc_span::sym::as_ptr
+        && method_name.ident.name == sym::as_ptr
         && let Some(as_ptr_did) = cx
             .typeck_results()
             .type_dependent_def_id(cast_expr.peel_blocks().hir_id)
diff --git a/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs b/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs
index 7bfe920..8b08597 100644
--- a/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs
+++ b/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs
@@ -3,7 +3,7 @@
 use clippy_utils::res::MaybeResPath;
 use clippy_utils::source::{SpanRangeExt, snippet_opt};
 use clippy_utils::visitors::{Visitable, for_each_expr_without_closures};
-use clippy_utils::{get_parent_expr, is_hir_ty_cfg_dependant, is_ty_alias};
+use clippy_utils::{get_parent_expr, is_hir_ty_cfg_dependant, is_ty_alias, sym};
 use rustc_ast::{LitFloatType, LitIntType, LitKind};
 use rustc_errors::Applicability;
 use rustc_hir::def::{DefKind, Res};
@@ -11,7 +11,7 @@
 use rustc_lint::{LateContext, LintContext};
 use rustc_middle::ty::adjustment::Adjust;
 use rustc_middle::ty::{self, FloatTy, InferTy, Ty};
-use rustc_span::{Symbol, sym};
+use rustc_span::Symbol;
 use std::ops::ControlFlow;
 
 use super::UNNECESSARY_CAST;
diff --git a/src/tools/clippy/clippy_lints/src/collection_is_never_read.rs b/src/tools/clippy/clippy_lints/src/collection_is_never_read.rs
index fd84ce7..5bf582f 100644
--- a/src/tools/clippy/clippy_lints/src/collection_is_never_read.rs
+++ b/src/tools/clippy/clippy_lints/src/collection_is_never_read.rs
@@ -1,12 +1,11 @@
 use clippy_utils::diagnostics::span_lint;
-use clippy_utils::get_enclosing_block;
+use clippy_utils::{get_enclosing_block, sym};
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use clippy_utils::visitors::{Visitable, for_each_expr};
 use core::ops::ControlFlow;
 use rustc_hir::{Body, ExprKind, HirId, LangItem, LetStmt, Node, PatKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::symbol::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/create_dir.rs b/src/tools/clippy/clippy_lints/src/create_dir.rs
index f68c0b3..b3be4e5 100644
--- a/src/tools/clippy/clippy_lints/src/create_dir.rs
+++ b/src/tools/clippy/clippy_lints/src/create_dir.rs
@@ -1,9 +1,9 @@
 use clippy_utils::diagnostics::span_lint_and_then;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, QPath};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/dbg_macro.rs b/src/tools/clippy/clippy_lints/src/dbg_macro.rs
index 45de403..f47d0d4 100644
--- a/src/tools/clippy/clippy_lints/src/dbg_macro.rs
+++ b/src/tools/clippy/clippy_lints/src/dbg_macro.rs
@@ -1,6 +1,6 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::is_in_test;
+use clippy_utils::{is_in_test, sym};
 use clippy_utils::macros::{MacroCall, macro_backtrace};
 use clippy_utils::source::snippet_with_applicability;
 use rustc_data_structures::fx::FxHashSet;
@@ -8,7 +8,7 @@
 use rustc_hir::{Arm, Closure, ClosureKind, CoroutineKind, Expr, ExprKind, LetStmt, LocalSource, Node, Stmt, StmtKind};
 use rustc_lint::{LateContext, LateLintPass, LintContext};
 use rustc_session::impl_lint_pass;
-use rustc_span::{Span, SyntaxContext, sym};
+use rustc_span::{Span, SyntaxContext};
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/default_instead_of_iter_empty.rs b/src/tools/clippy/clippy_lints/src/default_instead_of_iter_empty.rs
index 056e39c..c7807f7 100644
--- a/src/tools/clippy/clippy_lints/src/default_instead_of_iter_empty.rs
+++ b/src/tools/clippy/clippy_lints/src/default_instead_of_iter_empty.rs
@@ -1,11 +1,11 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet_with_context;
-use clippy_utils::{last_path_segment, std_or_core};
+use clippy_utils::{last_path_segment, std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, GenericArg, QPath, TyKind, def};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::{SyntaxContext, sym};
+use rustc_span::SyntaxContext;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs
index 32fd4af..954f071 100644
--- a/src/tools/clippy/clippy_lints/src/dereference.rs
+++ b/src/tools/clippy/clippy_lints/src/dereference.rs
@@ -3,9 +3,7 @@
 use clippy_utils::source::{snippet_with_applicability, snippet_with_context};
 use clippy_utils::sugg::has_enclosing_paren;
 use clippy_utils::ty::{adjust_derefs_manually_drop, implements_trait, is_manually_drop, peel_and_count_ty_refs};
-use clippy_utils::{
-    DefinedTy, ExprUseNode, expr_use_ctxt, get_parent_expr, is_block_like, is_from_proc_macro, is_lint_allowed,
-};
+use clippy_utils::{DefinedTy, ExprUseNode, expr_use_ctxt, get_parent_expr, is_block_like, is_from_proc_macro, is_lint_allowed, sym};
 use rustc_ast::util::parser::ExprPrecedence;
 use rustc_data_structures::fx::FxIndexMap;
 use rustc_errors::Applicability;
@@ -19,7 +17,6 @@
 use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability};
 use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt, TypeckResults};
 use rustc_session::impl_lint_pass;
-use rustc_span::symbol::sym;
 use rustc_span::{Span, Symbol};
 use std::borrow::Cow;
 
diff --git a/src/tools/clippy/clippy_lints/src/derive/unsafe_derive_deserialize.rs b/src/tools/clippy/clippy_lints/src/derive/unsafe_derive_deserialize.rs
index 38f3251..efcf2b7 100644
--- a/src/tools/clippy/clippy_lints/src/derive/unsafe_derive_deserialize.rs
+++ b/src/tools/clippy/clippy_lints/src/derive/unsafe_derive_deserialize.rs
@@ -1,14 +1,14 @@
 use std::ops::ControlFlow;
 
 use clippy_utils::diagnostics::span_lint_hir_and_then;
-use clippy_utils::{is_lint_allowed, paths};
+use clippy_utils::{is_lint_allowed, paths, sym};
 use rustc_hir::def_id::LocalDefId;
 use rustc_hir::intravisit::{FnKind, Visitor, walk_expr, walk_fn, walk_item};
 use rustc_hir::{self as hir, BlockCheckMode, BodyId, Expr, ExprKind, FnDecl, HirId, Item, UnsafeSource};
 use rustc_lint::LateContext;
 use rustc_middle::hir::nested_filter;
 use rustc_middle::ty::{self, Ty};
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 use super::UNSAFE_DERIVE_DESERIALIZE;
 
diff --git a/src/tools/clippy/clippy_lints/src/entry.rs b/src/tools/clippy/clippy_lints/src/entry.rs
index 75ab890..bb9c9ec 100644
--- a/src/tools/clippy/clippy_lints/src/entry.rs
+++ b/src/tools/clippy/clippy_lints/src/entry.rs
@@ -2,10 +2,7 @@
 use clippy_utils::source::{reindent_multiline, snippet_indent, snippet_with_applicability, snippet_with_context};
 use clippy_utils::ty::is_copy;
 use clippy_utils::visitors::for_each_expr;
-use clippy_utils::{
-    SpanlessEq, can_move_expr_to_closure_no_visit, desugar_await, higher, is_expr_final_block_expr,
-    is_expr_used_or_unified, paths, peel_hir_expr_while, span_contains_non_whitespace,
-};
+use clippy_utils::{SpanlessEq, can_move_expr_to_closure_no_visit, desugar_await, higher, is_expr_final_block_expr, is_expr_used_or_unified, paths, peel_hir_expr_while, span_contains_non_whitespace, sym};
 use core::fmt::{self, Write};
 use rustc_errors::Applicability;
 use rustc_hir::def_id::DefId;
@@ -14,7 +11,7 @@
 use rustc_hir::{Block, Expr, ExprKind, HirId, Pat, Stmt, StmtKind, UnOp};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::{DUMMY_SP, Span, SyntaxContext, sym};
+use rustc_span::{DUMMY_SP, Span, SyntaxContext};
 use std::ops::ControlFlow;
 
 declare_clippy_lint! {
diff --git a/src/tools/clippy/clippy_lints/src/error_impl_error.rs b/src/tools/clippy/clippy_lints/src/error_impl_error.rs
index 3d8650f..6604c9a 100644
--- a/src/tools/clippy/clippy_lints/src/error_impl_error.rs
+++ b/src/tools/clippy/clippy_lints/src/error_impl_error.rs
@@ -1,12 +1,12 @@
 use clippy_utils::diagnostics::{span_lint, span_lint_hir_and_then};
 use clippy_utils::res::MaybeResPath;
+use clippy_utils::sym;
 use clippy_utils::ty::implements_trait;
 use rustc_hir::def_id::{DefId, LocalDefId};
 use rustc_hir::{Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::Visibility;
 use rustc_session::declare_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/exit.rs b/src/tools/clippy/clippy_lints/src/exit.rs
index 487db69..6030d53 100644
--- a/src/tools/clippy/clippy_lints/src/exit.rs
+++ b/src/tools/clippy/clippy_lints/src/exit.rs
@@ -1,8 +1,8 @@
 use clippy_utils::diagnostics::span_lint;
+use clippy_utils::sym;
 use rustc_hir::{Expr, ExprKind, Item, ItemKind, OwnerNode};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/format_args.rs b/src/tools/clippy/clippy_lints/src/format_args.rs
index 5fb1a0b..ca1b63c 100644
--- a/src/tools/clippy/clippy_lints/src/format_args.rs
+++ b/src/tools/clippy/clippy_lints/src/format_args.rs
@@ -12,7 +12,7 @@
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::{SpanRangeExt, snippet};
 use clippy_utils::ty::implements_trait;
-use clippy_utils::{is_from_proc_macro, is_in_test, trait_ref_of_method};
+use clippy_utils::{is_from_proc_macro, is_in_test, sym, trait_ref_of_method};
 use itertools::Itertools;
 use rustc_ast::{
     FormatArgPosition, FormatArgPositionKind, FormatArgsPiece, FormatArgumentKind, FormatCount, FormatOptions,
@@ -28,7 +28,7 @@
 use rustc_middle::ty::{self, GenericArg, List, TraitRef, Ty, TyCtxt, Upcast};
 use rustc_session::impl_lint_pass;
 use rustc_span::edition::Edition::Edition2021;
-use rustc_span::{Span, Symbol, sym};
+use rustc_span::{Span, Symbol};
 use rustc_trait_selection::infer::TyCtxtInferExt;
 use rustc_trait_selection::traits::{Obligation, ObligationCause, Selection, SelectionContext};
 
diff --git a/src/tools/clippy/clippy_lints/src/format_push_string.rs b/src/tools/clippy/clippy_lints/src/format_push_string.rs
index fea55f9..3e3cd0a 100644
--- a/src/tools/clippy/clippy_lints/src/format_push_string.rs
+++ b/src/tools/clippy/clippy_lints/src/format_push_string.rs
@@ -2,12 +2,12 @@
 use clippy_utils::macros::{FormatArgsStorage, format_args_inputs_span, root_macro_call_first_node};
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::{snippet_with_applicability, snippet_with_context};
-use clippy_utils::std_or_core;
+use clippy_utils::{std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{AssignOpKind, Expr, ExprKind, LangItem, MatchSource};
 use rustc_lint::{LateContext, LateLintPass, LintContext};
 use rustc_session::impl_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/iter_over_hash_type.rs b/src/tools/clippy/clippy_lints/src/iter_over_hash_type.rs
index 6bb46ac3..aec863a 100644
--- a/src/tools/clippy/clippy_lints/src/iter_over_hash_type.rs
+++ b/src/tools/clippy/clippy_lints/src/iter_over_hash_type.rs
@@ -1,9 +1,9 @@
 use clippy_utils::diagnostics::span_lint;
 use clippy_utils::higher::ForLoop;
 use clippy_utils::res::MaybeDef;
+use clippy_utils::sym;
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/large_include_file.rs b/src/tools/clippy/clippy_lints/src/large_include_file.rs
index 5459949..8ea756f 100644
--- a/src/tools/clippy/clippy_lints/src/large_include_file.rs
+++ b/src/tools/clippy/clippy_lints/src/large_include_file.rs
@@ -2,11 +2,11 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::macros::root_macro_call_first_node;
 use clippy_utils::source::snippet_opt;
+use clippy_utils::sym;
 use rustc_ast::{AttrArgs, AttrItemKind, AttrKind, Attribute, LitKind};
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{EarlyContext, EarlyLintPass, LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs
index 32c23a2..fa85bef 100644
--- a/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs
+++ b/src/tools/clippy/clippy_lints/src/large_stack_arrays.rs
@@ -2,7 +2,7 @@
 
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::is_from_proc_macro;
+use clippy_utils::{is_from_proc_macro, sym};
 use clippy_utils::macros::macro_backtrace;
 use clippy_utils::source::snippet;
 use rustc_hir::{Expr, ExprKind, Item, ItemKind, Node};
@@ -10,7 +10,7 @@
 use rustc_middle::ty;
 use rustc_middle::ty::layout::LayoutOf;
 use rustc_session::impl_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/legacy_numeric_constants.rs b/src/tools/clippy/clippy_lints/src/legacy_numeric_constants.rs
index 8a5d972..d9920ac 100644
--- a/src/tools/clippy/clippy_lints/src/legacy_numeric_constants.rs
+++ b/src/tools/clippy/clippy_lints/src/legacy_numeric_constants.rs
@@ -1,6 +1,6 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::is_from_proc_macro;
+use clippy_utils::{is_from_proc_macro, sym};
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::source::SpanRangeExt;
 use hir::def_id::DefId;
@@ -10,7 +10,7 @@
 use rustc_lint::{LateContext, LateLintPass, LintContext};
 use rustc_session::impl_lint_pass;
 use rustc_span::symbol::kw;
-use rustc_span::{Symbol, sym};
+use rustc_span::Symbol;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/loops/manual_while_let_some.rs b/src/tools/clippy/clippy_lints/src/loops/manual_while_let_some.rs
index 9527e25..caaf173 100644
--- a/src/tools/clippy/clippy_lints/src/loops/manual_while_let_some.rs
+++ b/src/tools/clippy/clippy_lints/src/loops/manual_while_let_some.rs
@@ -1,10 +1,10 @@
-use clippy_utils::SpanlessEq;
+use clippy_utils::{sym, SpanlessEq};
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::source::snippet;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, Pat, Stmt, StmtKind, UnOp};
 use rustc_lint::LateContext;
-use rustc_span::{Span, Symbol, sym};
+use rustc_span::{Span, Symbol};
 use std::borrow::Cow;
 
 use super::MANUAL_WHILE_LET_SOME;
diff --git a/src/tools/clippy/clippy_lints/src/loops/unused_enumerate_index.rs b/src/tools/clippy/clippy_lints/src/loops/unused_enumerate_index.rs
index 816273c..4ecfadb 100644
--- a/src/tools/clippy/clippy_lints/src/loops/unused_enumerate_index.rs
+++ b/src/tools/clippy/clippy_lints/src/loops/unused_enumerate_index.rs
@@ -2,11 +2,11 @@
 use clippy_utils::diagnostics::span_lint_hir_and_then;
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::{SpanRangeExt, walk_span_to_context};
-use clippy_utils::{expr_or_init, pat_is_wild};
+use clippy_utils::{expr_or_init, pat_is_wild, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Closure, Expr, ExprKind, Pat, PatKind, TyKind};
 use rustc_lint::LateContext;
-use rustc_span::{Span, SyntaxContext, sym};
+use rustc_span::{Span, SyntaxContext};
 
 pub(super) fn check<'tcx>(
     cx: &LateContext<'tcx>,
diff --git a/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs b/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs
index 22de5e8..e388651 100644
--- a/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_abs_diff.rs
@@ -6,13 +6,12 @@
 use clippy_utils::source::HasSession as _;
 use clippy_utils::sugg::Sugg;
 use clippy_utils::ty::peel_and_count_ty_refs;
-use clippy_utils::{eq_expr_value, peel_blocks, span_contains_comment};
+use clippy_utils::{eq_expr_value, peel_blocks, span_contains_comment, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::{self, Ty};
 use rustc_session::impl_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/manual_bits.rs b/src/tools/clippy/clippy_lints/src/manual_bits.rs
index 40fe885..28790e5 100644
--- a/src/tools/clippy/clippy_lints/src/manual_bits.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_bits.rs
@@ -1,6 +1,6 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_sugg;
-use clippy_utils::get_parent_expr;
+use clippy_utils::{get_parent_expr, sym};
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::source::snippet_with_context;
 use rustc_ast::ast::LitKind;
@@ -10,7 +10,7 @@
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::{self, Ty};
 use rustc_session::impl_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/manual_main_separator_str.rs b/src/tools/clippy/clippy_lints/src/manual_main_separator_str.rs
index e78f6af..93a0ab5 100644
--- a/src/tools/clippy/clippy_lints/src/manual_main_separator_str.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_main_separator_str.rs
@@ -1,7 +1,7 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::msrvs::{self, Msrv};
-use clippy_utils::peel_hir_expr_refs;
+use clippy_utils::{peel_hir_expr_refs, sym};
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use rustc_errors::Applicability;
 use rustc_hir::def::{DefKind, Res};
@@ -9,7 +9,6 @@
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty;
 use rustc_session::impl_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/manual_retain.rs b/src/tools/clippy/clippy_lints/src/manual_retain.rs
index 6870c98..5eeda32 100644
--- a/src/tools/clippy/clippy_lints/src/manual_retain.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_retain.rs
@@ -1,5 +1,5 @@
 use clippy_config::Conf;
-use clippy_utils::SpanlessEq;
+use clippy_utils::{sym, SpanlessEq};
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::res::MaybeDef;
@@ -11,7 +11,7 @@
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
 use rustc_span::Span;
-use rustc_span::symbol::{Symbol, sym};
+use rustc_span::symbol::Symbol;
 
 const ACCEPTABLE_METHODS: [Symbol; 5] = [
     sym::binaryheap_iter,
diff --git a/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs b/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs
index de12fa2..2c49982 100644
--- a/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_slice_size_calculation.rs
@@ -3,13 +3,12 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::source::snippet_with_context;
 use clippy_utils::ty::peel_and_count_ty_refs;
-use clippy_utils::{expr_or_init, is_in_const_context, std_or_core};
+use clippy_utils::{expr_or_init, is_in_const_context, std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty;
 use rustc_session::impl_lint_pass;
-use rustc_span::symbol::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/manual_strip.rs b/src/tools/clippy/clippy_lints/src/manual_strip.rs
index b668f39..8be53db 100644
--- a/src/tools/clippy/clippy_lints/src/manual_strip.rs
+++ b/src/tools/clippy/clippy_lints/src/manual_strip.rs
@@ -4,7 +4,7 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::source::snippet_with_applicability;
 use clippy_utils::usage::mutated_variables;
-use clippy_utils::{eq_expr_value, higher};
+use clippy_utils::{eq_expr_value, higher, sym};
 use rustc_ast::BindingMode;
 use rustc_ast::ast::LitKind;
 use rustc_data_structures::fx::FxHashMap;
@@ -16,7 +16,7 @@
 use rustc_middle::ty;
 use rustc_session::impl_lint_pass;
 use rustc_span::source_map::Spanned;
-use rustc_span::{Symbol, SyntaxContext, sym};
+use rustc_span::{Symbol, SyntaxContext};
 use std::iter;
 
 declare_clippy_lint! {
diff --git a/src/tools/clippy/clippy_lints/src/matches/single_match.rs b/src/tools/clippy/clippy_lints/src/matches/single_match.rs
index 8642c7e..b96c869 100644
--- a/src/tools/clippy/clippy_lints/src/matches/single_match.rs
+++ b/src/tools/clippy/clippy_lints/src/matches/single_match.rs
@@ -3,7 +3,7 @@
     SpanRangeExt, expr_block, snippet, snippet_block_with_context, snippet_with_applicability, snippet_with_context,
 };
 use clippy_utils::ty::{implements_trait, peel_and_count_ty_refs};
-use clippy_utils::{is_lint_allowed, is_unit_expr, peel_blocks, peel_hir_pat_refs, peel_n_hir_expr_refs};
+use clippy_utils::{is_lint_allowed, is_unit_expr, peel_blocks, peel_hir_pat_refs, peel_n_hir_expr_refs, sym};
 use core::ops::ControlFlow;
 use rustc_arena::DroplessArena;
 use rustc_errors::{Applicability, Diag};
@@ -12,7 +12,7 @@
 use rustc_hir::{Arm, Expr, ExprKind, HirId, Node, Pat, PatExpr, PatExprKind, PatKind, QPath, StmtKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, AdtDef, TyCtxt, TypeckResults, VariantDef};
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 use super::{MATCH_BOOL, SINGLE_MATCH, SINGLE_MATCH_ELSE};
 
diff --git a/src/tools/clippy/clippy_lints/src/mem_replace.rs b/src/tools/clippy/clippy_lints/src/mem_replace.rs
index 0f32f89..d8f4ee9 100644
--- a/src/tools/clippy/clippy_lints/src/mem_replace.rs
+++ b/src/tools/clippy/clippy_lints/src/mem_replace.rs
@@ -5,15 +5,12 @@
 use clippy_utils::source::{snippet_with_applicability, snippet_with_context};
 use clippy_utils::sugg::Sugg;
 use clippy_utils::ty::is_non_aggregate_primitive_type;
-use clippy_utils::{
-    as_some_expr, is_default_equivalent, is_expr_used_or_unified, is_none_expr, peel_ref_operators, std_or_core,
-};
+use clippy_utils::{as_some_expr, is_default_equivalent, is_expr_used_or_unified, is_none_expr, peel_ref_operators, std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
 use rustc_span::Span;
-use rustc_span::symbol::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/methods/bytecount.rs b/src/tools/clippy/clippy_lints/src/methods/bytecount.rs
index 77ac181..2ad7fac 100644
--- a/src/tools/clippy/clippy_lints/src/methods/bytecount.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/bytecount.rs
@@ -2,12 +2,11 @@
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use clippy_utils::source::snippet_with_applicability;
 use clippy_utils::visitors::is_local_used;
-use clippy_utils::{peel_blocks, peel_ref_operators, strip_pat_refs};
+use clippy_utils::{peel_blocks, peel_ref_operators, strip_pat_refs, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Closure, Expr, ExprKind, PatKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, UintTy};
-use rustc_span::sym;
 
 use super::NAIVE_BYTECOUNT;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/clear_with_drain.rs b/src/tools/clippy/clippy_lints/src/methods/clear_with_drain.rs
index 67def87..e6a8acb 100644
--- a/src/tools/clippy/clippy_lints/src/methods/clear_with_drain.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/clear_with_drain.rs
@@ -1,11 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
-use clippy_utils::is_range_full;
+use clippy_utils::{is_range_full, sym};
 use clippy_utils::res::MaybeDef;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, LangItem, QPath};
 use rustc_lint::LateContext;
 use rustc_span::Span;
-use rustc_span::symbol::sym;
 
 use super::CLEAR_WITH_DRAIN;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/drain_collect.rs b/src/tools/clippy/clippy_lints/src/methods/drain_collect.rs
index 9b0c290..6c22264 100644
--- a/src/tools/clippy/clippy_lints/src/methods/drain_collect.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/drain_collect.rs
@@ -2,13 +2,13 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet;
-use clippy_utils::{is_range_full, std_or_core};
+use clippy_utils::{is_range_full, std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, LangItem, Path, QPath};
 use rustc_lint::LateContext;
 use rustc_middle::ty;
 use rustc_middle::ty::Ty;
-use rustc_span::{Symbol, sym};
+use rustc_span::Symbol;
 
 /// Checks if both types match the given diagnostic item, e.g.:
 ///
diff --git a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs
index e891b2a..081f958 100644
--- a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs
@@ -3,12 +3,11 @@
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet_with_applicability;
 use clippy_utils::visitors::for_each_expr;
-use clippy_utils::{contains_return, is_inside_always_const_context, peel_blocks};
+use clippy_utils::{contains_return, is_inside_always_const_context, peel_blocks, sym};
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
 use rustc_span::Span;
-use rustc_span::symbol::sym;
 use std::borrow::Cow;
 use std::ops::ControlFlow;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/filetype_is_file.rs b/src/tools/clippy/clippy_lints/src/methods/filetype_is_file.rs
index a964cbf..a2ed557 100644
--- a/src/tools/clippy/clippy_lints/src/methods/filetype_is_file.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/filetype_is_file.rs
@@ -1,9 +1,9 @@
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::get_parent_expr;
+use clippy_utils::{get_parent_expr, sym};
 use clippy_utils::res::MaybeDef;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 use super::FILETYPE_IS_FILE;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/filter_map_bool_then.rs b/src/tools/clippy/clippy_lints/src/methods/filter_map_bool_then.rs
index b803d1a..8e5b271 100644
--- a/src/tools/clippy/clippy_lints/src/methods/filter_map_bool_then.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/filter_map_bool_then.rs
@@ -3,7 +3,7 @@
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use clippy_utils::source::{SpanRangeExt, snippet_with_context};
 use clippy_utils::ty::is_copy;
-use clippy_utils::{CaptureKind, can_move_expr_to_closure, contains_return, is_from_proc_macro, peel_blocks};
+use clippy_utils::{CaptureKind, can_move_expr_to_closure, contains_return, is_from_proc_macro, peel_blocks, sym};
 use rustc_ast::Mutability;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::Applicability;
@@ -11,7 +11,7 @@
 use rustc_lint::{LateContext, LintContext};
 use rustc_middle::ty::Binder;
 use rustc_middle::ty::adjustment::Adjust;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, arg: &Expr<'_>, call_span: Span) {
     if !expr.span.in_external_macro(cx.sess().source_map())
diff --git a/src/tools/clippy/clippy_lints/src/methods/filter_next.rs b/src/tools/clippy/clippy_lints/src/methods/filter_next.rs
index e1a9a79..66ab307 100644
--- a/src/tools/clippy/clippy_lints/src/methods/filter_next.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/filter_next.rs
@@ -1,12 +1,11 @@
 use clippy_utils::diagnostics::{span_lint, span_lint_and_then};
-use clippy_utils::path_to_local_with_projections;
+use clippy_utils::{path_to_local_with_projections, sym};
 use clippy_utils::source::snippet;
 use clippy_utils::ty::implements_trait;
 use rustc_ast::{BindingMode, Mutability};
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::FILTER_NEXT;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs b/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs
index 11671f3..7b0ac90 100644
--- a/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/from_iter_instead_of_collect.rs
@@ -3,7 +3,7 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::{MaybeDef, MaybeQPath};
 use clippy_utils::source::snippet_with_applicability;
-use clippy_utils::sugg;
+use clippy_utils::{sugg, sym};
 use clippy_utils::ty::implements_trait;
 use rustc_ast::join_path_idents;
 use rustc_errors::Applicability;
@@ -11,7 +11,6 @@
 use rustc_hir::{self as hir, Expr, ExprKind, GenericArg, QPath, TyKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::GenericParamDefKind;
-use rustc_span::sym;
 
 use super::FROM_ITER_INSTEAD_OF_COLLECT;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/get_first.rs b/src/tools/clippy/clippy_lints/src/methods/get_first.rs
index 88e9f2f..414c4e0 100644
--- a/src/tools/clippy/clippy_lints/src/methods/get_first.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/get_first.rs
@@ -1,13 +1,13 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet_with_applicability;
+use clippy_utils::sym;
 use rustc_ast::LitKind;
 use rustc_data_structures::packed::Pu128;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
 use rustc_span::source_map::Spanned;
-use rustc_span::sym;
 
 use super::GET_FIRST;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/get_last_with_len.rs b/src/tools/clippy/clippy_lints/src/methods/get_last_with_len.rs
index 5f6fb4c..171079f 100644
--- a/src/tools/clippy/clippy_lints/src/methods/get_last_with_len.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/get_last_with_len.rs
@@ -1,12 +1,11 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet_with_applicability;
-use clippy_utils::{SpanlessEq, is_integer_literal};
+use clippy_utils::{SpanlessEq, is_integer_literal, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty;
 use rustc_span::source_map::Spanned;
-use rustc_span::sym;
 
 use super::GET_LAST_WITH_LEN;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs b/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs
index d273558..76499c5 100644
--- a/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/get_unwrap.rs
@@ -1,11 +1,10 @@
 use super::utils::derefs_to_slice;
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::get_parent_expr;
+use clippy_utils::{get_parent_expr, sym};
 use clippy_utils::source::snippet_with_applicability;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::GET_UNWRAP;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs b/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs
index 7a49a5f..3746399 100644
--- a/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/inefficient_to_string.rs
@@ -2,12 +2,12 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet_with_applicability;
+use clippy_utils::sym;
 use clippy_utils::ty::peel_and_count_ty_refs;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, Ty};
-use rustc_span::symbol::sym;
 
 use super::INEFFICIENT_TO_STRING;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs b/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs
index 7c24cf0..7a49553 100644
--- a/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/ip_constant.rs
@@ -1,10 +1,10 @@
 use clippy_utils::consts::{ConstEvalCtxt, Constant};
 use clippy_utils::diagnostics::span_lint_and_then;
+use clippy_utils::sym;
 use rustc_data_structures::smallvec::SmallVec;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, QPath, TyKind};
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::IP_CONSTANT;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_count.rs b/src/tools/clippy/clippy_lints/src/methods/iter_count.rs
index 8b303c0..1827844 100644
--- a/src/tools/clippy/clippy_lints/src/methods/iter_count.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/iter_count.rs
@@ -2,10 +2,11 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet_with_applicability;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_span::{Symbol, sym};
+use rustc_span::Symbol;
 
 use super::ITER_COUNT;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_out_of_bounds.rs b/src/tools/clippy/clippy_lints/src/methods/iter_out_of_bounds.rs
index 8cff3bd..f7d7df2 100644
--- a/src/tools/clippy/clippy_lints/src/methods/iter_out_of_bounds.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/iter_out_of_bounds.rs
@@ -1,12 +1,11 @@
 use clippy_utils::diagnostics::span_lint_and_note;
-use clippy_utils::expr_or_init;
+use clippy_utils::{expr_or_init, sym};
 use clippy_utils::higher::VecArgs;
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use rustc_ast::LitKind;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self};
-use rustc_span::sym;
 
 use super::ITER_OUT_OF_BOUNDS;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/iter_with_drain.rs b/src/tools/clippy/clippy_lints/src/methods/iter_with_drain.rs
index aa45969..8d1585b 100644
--- a/src/tools/clippy/clippy_lints/src/methods/iter_with_drain.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/iter_with_drain.rs
@@ -1,10 +1,9 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
-use clippy_utils::is_range_full;
+use clippy_utils::{is_range_full, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, QPath};
 use rustc_lint::LateContext;
 use rustc_span::Span;
-use rustc_span::symbol::sym;
 
 use super::ITER_WITH_DRAIN;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/join_absolute_paths.rs b/src/tools/clippy/clippy_lints/src/methods/join_absolute_paths.rs
index 905a58a..c731c2f 100644
--- a/src/tools/clippy/clippy_lints/src/methods/join_absolute_paths.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/join_absolute_paths.rs
@@ -1,5 +1,5 @@
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::expr_or_init;
+use clippy_utils::{expr_or_init, sym};
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet;
 use rustc_ast::ast::LitKind;
@@ -7,7 +7,6 @@
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
 use rustc_span::Span;
-use rustc_span::symbol::sym;
 
 use super::JOIN_ABSOLUTE_PATHS;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_next_back.rs b/src/tools/clippy/clippy_lints/src/methods/manual_next_back.rs
index b064f97..221c7f0 100644
--- a/src/tools/clippy/clippy_lints/src/methods/manual_next_back.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/manual_next_back.rs
@@ -1,10 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
+use clippy_utils::sym;
 use clippy_utils::ty::implements_trait;
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
-use rustc_span::symbol::sym;
 
 pub(super) fn check<'tcx>(
     cx: &LateContext<'tcx>,
diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_repeat_n.rs b/src/tools/clippy/clippy_lints/src/methods/manual_repeat_n.rs
index 1a7628e..1bb1127 100644
--- a/src/tools/clippy/clippy_lints/src/methods/manual_repeat_n.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/manual_repeat_n.rs
@@ -2,11 +2,10 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use clippy_utils::source::{snippet, snippet_with_context};
-use clippy_utils::{expr_use_ctxt, fn_def_id, std_or_core};
+use clippy_utils::{expr_use_ctxt, fn_def_id, std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::MANUAL_REPEAT_N;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs b/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs
index 4fe14f8..457549d 100644
--- a/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/manual_str_repeat.rs
@@ -2,12 +2,12 @@
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use clippy_utils::source::{snippet_with_applicability, snippet_with_context};
 use clippy_utils::sugg::Sugg;
+use clippy_utils::sym;
 use rustc_ast::LitKind;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, LangItem};
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, Ty};
-use rustc_span::symbol::sym;
 use std::borrow::Cow;
 
 use super::MANUAL_STR_REPEAT;
diff --git a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs
index 7c95d65..d80feff 100644
--- a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs
@@ -1,13 +1,13 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::msrvs::{self, Msrv};
-use clippy_utils::peel_blocks;
+use clippy_utils::{peel_blocks, sym};
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use clippy_utils::source::snippet;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
 use rustc_middle::ty;
-use rustc_span::{Symbol, sym};
+use rustc_span::Symbol;
 
 use super::OPTION_AS_REF_DEREF;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs b/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs
index 18046ff..fe49048 100644
--- a/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs
@@ -1,10 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::MaybeDef;
+use clippy_utils::sym;
 use rustc_ast::ast::LitKind;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
-use rustc_span::symbol::sym;
 use std::path::{Component, Path};
 
 use super::PATH_BUF_PUSH_OVERWRITE;
diff --git a/src/tools/clippy/clippy_lints/src/methods/path_ends_with_ext.rs b/src/tools/clippy/clippy_lints/src/methods/path_ends_with_ext.rs
index 87d1aa6..ffba244 100644
--- a/src/tools/clippy/clippy_lints/src/methods/path_ends_with_ext.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/path_ends_with_ext.rs
@@ -3,12 +3,12 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::snippet;
+use clippy_utils::sym;
 use rustc_ast::{LitKind, StrStyle};
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
-use rustc_span::sym;
 use std::fmt::Write;
 
 pub const DEFAULT_ALLOWED_DOTFILES: &[&str] = &[
diff --git a/src/tools/clippy/clippy_lints/src/methods/single_char_add_str.rs b/src/tools/clippy/clippy_lints/src/methods/single_char_add_str.rs
index 1248d16..581c400 100644
--- a/src/tools/clippy/clippy_lints/src/methods/single_char_add_str.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/single_char_add_str.rs
@@ -1,12 +1,12 @@
 use super::SINGLE_CHAR_ADD_STR;
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::{snippet_with_applicability, str_literal_to_char_literal};
+use clippy_utils::sym;
 use rustc_ast::BorrowKind;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty;
-use rustc_span::sym;
 
 pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, receiver: &Expr<'_>, args: &[Expr<'_>]) {
     if let Some(fn_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) {
diff --git a/src/tools/clippy/clippy_lints/src/methods/suspicious_command_arg_space.rs b/src/tools/clippy/clippy_lints/src/methods/suspicious_command_arg_space.rs
index be733c5..ca226dc 100644
--- a/src/tools/clippy/clippy_lints/src/methods/suspicious_command_arg_space.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/suspicious_command_arg_space.rs
@@ -1,8 +1,9 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::res::MaybeDef;
+use clippy_utils::sym;
 use rustc_errors::{Applicability, Diag};
 use rustc_lint::LateContext;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 use {rustc_ast as ast, rustc_hir as hir};
 
 use super::SUSPICIOUS_COMMAND_ARG_SPACE;
diff --git a/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs
index e9a5104..5d0fd6c 100644
--- a/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs
@@ -1,10 +1,11 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::res::MaybeDef;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
 use rustc_middle::ty::print::with_forced_trimmed_paths;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 use super::SUSPICIOUS_TO_OWNED;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/type_id_on_box.rs b/src/tools/clippy/clippy_lints/src/methods/type_id_on_box.rs
index 98f319b..418eb4a 100644
--- a/src/tools/clippy/clippy_lints/src/methods/type_id_on_box.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/type_id_on_box.rs
@@ -1,13 +1,14 @@
 use crate::methods::TYPE_ID_ON_BOX;
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::source::snippet;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
 use rustc_middle::ty::adjustment::{Adjust, Adjustment, DerefAdjustKind};
 use rustc_middle::ty::print::with_forced_trimmed_paths;
 use rustc_middle::ty::{self, ExistentialPredicate, Ty};
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 /// Checks if the given type is `dyn Any`, or a trait object that has `Any` as a supertrait.
 /// Only in those cases will its vtable have a `type_id` method that returns the implementor's
diff --git a/src/tools/clippy/clippy_lints/src/methods/unbuffered_bytes.rs b/src/tools/clippy/clippy_lints/src/methods/unbuffered_bytes.rs
index fdddd5e..b86ba39 100644
--- a/src/tools/clippy/clippy_lints/src/methods/unbuffered_bytes.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/unbuffered_bytes.rs
@@ -1,10 +1,10 @@
 use super::UNBUFFERED_BYTES;
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
+use clippy_utils::sym;
 use clippy_utils::ty::implements_trait;
 use rustc_hir as hir;
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) {
     // Lint if the `.bytes()` call is from the `Read` trait and the implementor is not buffered.
diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_get_then_check.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_get_then_check.rs
index 3207c42..b2413bb7 100644
--- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_get_then_check.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_get_then_check.rs
@@ -1,12 +1,13 @@
 use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then};
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::SpanRangeExt;
+use clippy_utils::sym;
 
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::Ty;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 use super::UNNECESSARY_GET_THEN_CHECK;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/verbose_file_reads.rs b/src/tools/clippy/clippy_lints/src/methods/verbose_file_reads.rs
index 5727843..b67e084 100644
--- a/src/tools/clippy/clippy_lints/src/methods/verbose_file_reads.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/verbose_file_reads.rs
@@ -1,8 +1,8 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
+use clippy_utils::sym;
 use rustc_hir::{Expr, ExprKind, QPath};
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::VERBOSE_FILE_READS;
 
diff --git a/src/tools/clippy/clippy_lints/src/methods/waker_clone_wake.rs b/src/tools/clippy/clippy_lints/src/methods/waker_clone_wake.rs
index 3081d7f..bb26c2d 100644
--- a/src/tools/clippy/clippy_lints/src/methods/waker_clone_wake.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/waker_clone_wake.rs
@@ -1,10 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use clippy_utils::source::snippet_with_applicability;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::WAKER_CLONE_WAKE;
 
diff --git a/src/tools/clippy/clippy_lints/src/missing_const_for_thread_local.rs b/src/tools/clippy/clippy_lints/src/missing_const_for_thread_local.rs
index ea749408..4b4bc6a 100644
--- a/src/tools/clippy/clippy_lints/src/missing_const_for_thread_local.rs
+++ b/src/tools/clippy/clippy_lints/src/missing_const_for_thread_local.rs
@@ -4,12 +4,11 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::qualify_min_const_fn::is_min_const_fn;
 use clippy_utils::source::snippet;
-use clippy_utils::{fn_has_unsatisfiable_preds, peel_blocks};
+use clippy_utils::{fn_has_unsatisfiable_preds, peel_blocks, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind, intravisit};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
-use rustc_span::sym::{self, thread_local_macro};
 
 declare_clippy_lint! {
     /// ### What it does
@@ -63,7 +62,7 @@ fn is_thread_local_initializer(
 ) -> Option<bool> {
     let macro_def_id = span.source_callee()?.macro_def_id?;
     Some(
-        cx.tcx.is_diagnostic_item(thread_local_macro, macro_def_id)
+        cx.tcx.is_diagnostic_item(sym::thread_local_macro, macro_def_id)
             && matches!(fn_kind, intravisit::FnKind::ItemFn(..)),
     )
 }
diff --git a/src/tools/clippy/clippy_lints/src/mut_key.rs b/src/tools/clippy/clippy_lints/src/mut_key.rs
index 98a9a98..7669ad0 100644
--- a/src/tools/clippy/clippy_lints/src/mut_key.rs
+++ b/src/tools/clippy/clippy_lints/src/mut_key.rs
@@ -1,6 +1,6 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::trait_ref_of_method;
+use clippy_utils::{sym, trait_ref_of_method};
 use clippy_utils::ty::InteriorMut;
 use rustc_hir as hir;
 use rustc_lint::{LateContext, LateLintPass};
@@ -9,7 +9,6 @@
 use rustc_session::impl_lint_pass;
 use rustc_span::Span;
 use rustc_span::def_id::LocalDefId;
-use rustc_span::symbol::sym;
 use std::iter;
 
 declare_clippy_lint! {
diff --git a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs
index 25fcc7e..8da9a6d 100644
--- a/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs
+++ b/src/tools/clippy/clippy_lints/src/needless_borrows_for_generic_args.rs
@@ -4,7 +4,7 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::source::snippet_with_context;
 use clippy_utils::ty::{implements_trait, is_copy};
-use clippy_utils::{DefinedTy, ExprUseNode, expr_use_ctxt, peel_n_hir_expr_refs};
+use clippy_utils::{DefinedTy, ExprUseNode, expr_use_ctxt, peel_n_hir_expr_refs, sym};
 use rustc_errors::Applicability;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::{DefId, LocalDefId};
@@ -17,7 +17,6 @@
     self, ClauseKind, EarlyBinder, FnSig, GenericArg, GenericArgKind, ParamTy, ProjectionPredicate, Ty,
 };
 use rustc_session::impl_lint_pass;
-use rustc_span::symbol::sym;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _;
 use rustc_trait_selection::traits::{Obligation, ObligationCause};
 use std::collections::VecDeque;
diff --git a/src/tools/clippy/clippy_lints/src/non_copy_const.rs b/src/tools/clippy/clippy_lints/src/non_copy_const.rs
index e09fc0a..79fcc5d 100644
--- a/src/tools/clippy/clippy_lints/src/non_copy_const.rs
+++ b/src/tools/clippy/clippy_lints/src/non_copy_const.rs
@@ -20,7 +20,7 @@
 use clippy_config::Conf;
 use clippy_utils::consts::{ConstEvalCtxt, Constant, const_item_rhs_to_expr};
 use clippy_utils::diagnostics::{span_lint, span_lint_and_then};
-use clippy_utils::is_in_const_context;
+use clippy_utils::{is_in_const_context, sym};
 use clippy_utils::macros::macro_backtrace;
 use clippy_utils::paths::{PathNS, lookup_path_str};
 use clippy_utils::ty::{get_field_idx_by_name, implements_trait};
@@ -39,7 +39,7 @@
     TypeckResults, TypingEnv,
 };
 use rustc_session::impl_lint_pass;
-use rustc_span::{DUMMY_SP, sym};
+use rustc_span::DUMMY_SP;
 use std::collections::hash_map::Entry;
 
 declare_clippy_lint! {
diff --git a/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs b/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs
index db55772..08ef595 100644
--- a/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs
+++ b/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs
@@ -1,12 +1,12 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::res::MaybeQPath;
 use clippy_utils::source::snippet_with_context;
+use clippy_utils::sym;
 use clippy_utils::ty::{implements_trait, is_copy};
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind, UnOp};
 use rustc_lint::LateContext;
 use rustc_middle::ty::Ty;
-use rustc_span::symbol::sym;
 
 use super::CMP_OWNED;
 
diff --git a/src/tools/clippy/clippy_lints/src/operators/float_equality_without_abs.rs b/src/tools/clippy/clippy_lints/src/operators/float_equality_without_abs.rs
index 17fa801..c5eb7d2 100644
--- a/src/tools/clippy/clippy_lints/src/operators/float_equality_without_abs.rs
+++ b/src/tools/clippy/clippy_lints/src/operators/float_equality_without_abs.rs
@@ -1,5 +1,5 @@
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::sugg;
+use clippy_utils::{sugg, sym};
 use rustc_ast::util::parser::AssocOp;
 use rustc_errors::Applicability;
 use rustc_hir::def::{DefKind, Res};
@@ -7,7 +7,6 @@
 use rustc_lint::LateContext;
 use rustc_middle::ty;
 use rustc_span::source_map::Spanned;
-use rustc_span::sym;
 
 use super::FLOAT_EQUALITY_WITHOUT_ABS;
 
diff --git a/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs b/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs
index 43db008..cfe2513 100644
--- a/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs
+++ b/src/tools/clippy/clippy_lints/src/panic_unimplemented.rs
@@ -1,12 +1,11 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint;
 use clippy_utils::macros::{is_panic, root_macro_call_first_node};
-use clippy_utils::{is_in_test, is_inside_always_const_context};
+use clippy_utils::{is_in_test, is_inside_always_const_context, sym};
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::{Expr, ExprKind, QPath};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
-use rustc_span::sym;
 
 pub struct PanicUnimplemented {
     allow_panic_in_tests: bool,
diff --git a/src/tools/clippy/clippy_lints/src/ranges.rs b/src/tools/clippy/clippy_lints/src/ranges.rs
index ca0d41f..bed5091 100644
--- a/src/tools/clippy/clippy_lints/src/ranges.rs
+++ b/src/tools/clippy/clippy_lints/src/ranges.rs
@@ -6,7 +6,7 @@
 use clippy_utils::source::{SpanRangeExt, snippet, snippet_with_applicability};
 use clippy_utils::sugg::Sugg;
 use clippy_utils::ty::implements_trait;
-use clippy_utils::{expr_use_ctxt, fn_def_id, get_parent_expr, higher, is_in_const_context, is_integer_const};
+use clippy_utils::{expr_use_ctxt, fn_def_id, get_parent_expr, higher, is_in_const_context, is_integer_const, sym};
 use rustc_ast::Mutability;
 use rustc_ast::ast::RangeLimits;
 use rustc_errors::Applicability;
@@ -15,7 +15,7 @@
 use rustc_middle::ty::{self, ClauseKind, GenericArgKind, PredicatePolarity, Ty};
 use rustc_session::impl_lint_pass;
 use rustc_span::source_map::Spanned;
-use rustc_span::{DesugaringKind, Span, sym};
+use rustc_span::{DesugaringKind, Span};
 use std::cmp::Ordering;
 
 declare_clippy_lint! {
diff --git a/src/tools/clippy/clippy_lints/src/redundant_clone.rs b/src/tools/clippy/clippy_lints/src/redundant_clone.rs
index 13c1b10..7a2772f 100644
--- a/src/tools/clippy/clippy_lints/src/redundant_clone.rs
+++ b/src/tools/clippy/clippy_lints/src/redundant_clone.rs
@@ -1,5 +1,5 @@
 use clippy_utils::diagnostics::{span_lint_hir, span_lint_hir_and_then};
-use clippy_utils::fn_has_unsatisfiable_preds;
+use clippy_utils::{fn_has_unsatisfiable_preds, sym};
 use clippy_utils::mir::{LocalUsage, PossibleBorrowerMap, visit_local_usage};
 use clippy_utils::res::MaybeDef;
 use clippy_utils::source::SpanRangeExt;
@@ -12,7 +12,7 @@
 use rustc_middle::ty::{self, Ty};
 use rustc_session::declare_lint_pass;
 use rustc_span::def_id::LocalDefId;
-use rustc_span::{BytePos, Span, sym};
+use rustc_span::{BytePos, Span};
 
 macro_rules! unwrap_or_continue {
     ($x:expr) => {
diff --git a/src/tools/clippy/clippy_lints/src/repeat_vec_with_capacity.rs b/src/tools/clippy/clippy_lints/src/repeat_vec_with_capacity.rs
index 8805687ef..fdb4593 100644
--- a/src/tools/clippy/clippy_lints/src/repeat_vec_with_capacity.rs
+++ b/src/tools/clippy/clippy_lints/src/repeat_vec_with_capacity.rs
@@ -5,12 +5,12 @@
 use clippy_utils::macros::matching_root_macro_call;
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::source::snippet;
-use clippy_utils::{expr_or_init, fn_def_id, std_or_core};
+use clippy_utils::{expr_or_init, fn_def_id, std_or_core, sym};
 use rustc_errors::Applicability;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::impl_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 pub struct RepeatVecWithCapacity {
     msrv: Msrv,
diff --git a/src/tools/clippy/clippy_lints/src/size_of_ref.rs b/src/tools/clippy/clippy_lints/src/size_of_ref.rs
index bf304eb..3e48f0b 100644
--- a/src/tools/clippy/clippy_lints/src/size_of_ref.rs
+++ b/src/tools/clippy/clippy_lints/src/size_of_ref.rs
@@ -1,10 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::res::{MaybeDef, MaybeResPath};
+use clippy_utils::sym;
 use clippy_utils::ty::peel_and_count_ty_refs;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/swap.rs b/src/tools/clippy/clippy_lints/src/swap.rs
index c3cb2c0..694be16 100644
--- a/src/tools/clippy/clippy_lints/src/swap.rs
+++ b/src/tools/clippy/clippy_lints/src/swap.rs
@@ -3,7 +3,7 @@
 use clippy_utils::source::{snippet_indent, snippet_with_context};
 use clippy_utils::sugg::Sugg;
 
-use clippy_utils::{can_mut_borrow_both, eq_expr_value, is_in_const_context, std_or_core};
+use clippy_utils::{can_mut_borrow_both, eq_expr_value, is_in_const_context, std_or_core, sym};
 use itertools::Itertools;
 
 use rustc_data_structures::fx::FxIndexSet;
@@ -16,7 +16,7 @@
 use rustc_session::declare_lint_pass;
 use rustc_span::source_map::Spanned;
 use rustc_span::symbol::Ident;
-use rustc_span::{Span, SyntaxContext, sym};
+use rustc_span::{Span, SyntaxContext};
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/time_subtraction.rs b/src/tools/clippy/clippy_lints/src/time_subtraction.rs
index c241935..e7bf580 100644
--- a/src/tools/clippy/clippy_lints/src/time_subtraction.rs
+++ b/src/tools/clippy/clippy_lints/src/time_subtraction.rs
@@ -3,12 +3,12 @@
 use clippy_utils::msrvs::{self, Msrv};
 use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use clippy_utils::sugg::Sugg;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty::Ty;
 use rustc_session::impl_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs b/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs
index 303f602..337b9b8 100644
--- a/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs
+++ b/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs
@@ -1,8 +1,8 @@
 use clippy_utils::diagnostics::span_lint_and_help;
+use clippy_utils::sym;
 use rustc_hir::{Impl, Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
-use rustc_span::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmuting_null.rs b/src/tools/clippy/clippy_lints/src/transmute/transmuting_null.rs
index 4f06d98..7d6a667 100644
--- a/src/tools/clippy/clippy_lints/src/transmute/transmuting_null.rs
+++ b/src/tools/clippy/clippy_lints/src/transmute/transmuting_null.rs
@@ -1,11 +1,10 @@
 use clippy_utils::consts::{ConstEvalCtxt, Constant};
 use clippy_utils::diagnostics::span_lint;
-use clippy_utils::is_integer_const;
+use clippy_utils::{is_integer_const, sym};
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use rustc_hir::{ConstBlock, Expr, ExprKind};
 use rustc_lint::LateContext;
 use rustc_middle::ty::Ty;
-use rustc_span::symbol::sym;
 
 use super::TRANSMUTING_NULL;
 
diff --git a/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs b/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs
index f46e95b..65aebb5 100644
--- a/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs
+++ b/src/tools/clippy/clippy_lints/src/transmute/unsound_collection_transmute.rs
@@ -1,10 +1,10 @@
 use super::UNSOUND_COLLECTION_TRANSMUTE;
 use super::utils::is_layout_incompatible;
 use clippy_utils::diagnostics::span_lint;
+use clippy_utils::sym;
 use rustc_hir::Expr;
 use rustc_lint::LateContext;
 use rustc_middle::ty::{self, Ty};
-use rustc_span::symbol::sym;
 
 /// Checks for `unsound_collection_transmute` lint.
 /// Returns `true` if it's triggered, otherwise returns `false`.
diff --git a/src/tools/clippy/clippy_lints/src/types/borrowed_box.rs b/src/tools/clippy/clippy_lints/src/types/borrowed_box.rs
index 4b23367..c4e0d88 100644
--- a/src/tools/clippy/clippy_lints/src/types/borrowed_box.rs
+++ b/src/tools/clippy/clippy_lints/src/types/borrowed_box.rs
@@ -1,11 +1,11 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::source::snippet;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::{
     self as hir, GenericArg, GenericBounds, GenericParamKind, HirId, Lifetime, MutTy, Mutability, Node, QPath, TyKind,
 };
 use rustc_lint::LateContext;
-use rustc_span::sym;
 
 use super::BORROWED_BOX;
 
diff --git a/src/tools/clippy/clippy_lints/src/types/box_collection.rs b/src/tools/clippy/clippy_lints/src/types/box_collection.rs
index 985057c..cca04d3 100644
--- a/src/tools/clippy/clippy_lints/src/types/box_collection.rs
+++ b/src/tools/clippy/clippy_lints/src/types/box_collection.rs
@@ -1,10 +1,10 @@
 use clippy_utils::diagnostics::span_lint_and_help;
-use clippy_utils::qpath_generic_tys;
+use clippy_utils::{qpath_generic_tys, sym};
 use clippy_utils::res::MaybeResPath;
 use rustc_hir::def_id::DefId;
 use rustc_hir::{self as hir, QPath};
 use rustc_lint::LateContext;
-use rustc_span::{Symbol, sym};
+use rustc_span::Symbol;
 
 use super::BOX_COLLECTION;
 
diff --git a/src/tools/clippy/clippy_lints/src/types/linked_list.rs b/src/tools/clippy/clippy_lints/src/types/linked_list.rs
index fba804b..96126d3 100644
--- a/src/tools/clippy/clippy_lints/src/types/linked_list.rs
+++ b/src/tools/clippy/clippy_lints/src/types/linked_list.rs
@@ -1,8 +1,8 @@
 use clippy_utils::diagnostics::span_lint_and_help;
+use clippy_utils::sym;
 use rustc_hir::def_id::DefId;
 use rustc_hir::{self as hir};
 use rustc_lint::LateContext;
-use rustc_span::symbol::sym;
 
 use super::LINKEDLIST;
 
diff --git a/src/tools/clippy/clippy_lints/src/types/owned_cow.rs b/src/tools/clippy/clippy_lints/src/types/owned_cow.rs
index 0eef373..e70348b 100644
--- a/src/tools/clippy/clippy_lints/src/types/owned_cow.rs
+++ b/src/tools/clippy/clippy_lints/src/types/owned_cow.rs
@@ -1,11 +1,12 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::{MaybeDef, MaybeResPath};
 use clippy_utils::source::snippet_opt;
+use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::def_id::DefId;
 use rustc_hir::{self as hir};
 use rustc_lint::LateContext;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 
 pub(super) fn check(cx: &LateContext<'_>, qpath: &hir::QPath<'_>, def_id: DefId) -> bool {
     if cx.tcx.is_diagnostic_item(sym::Cow, def_id)
diff --git a/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs b/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs
index 43b38bb..8c864da 100644
--- a/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs
+++ b/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs
@@ -1,12 +1,11 @@
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::qpath_generic_tys;
+use clippy_utils::{qpath_generic_tys, sym};
 use clippy_utils::res::MaybeResPath;
 use clippy_utils::source::snippet_with_applicability;
 use rustc_errors::Applicability;
 use rustc_hir::def_id::DefId;
 use rustc_hir::{QPath, Ty, TyKind};
 use rustc_lint::LateContext;
-use rustc_span::symbol::sym;
 use std::borrow::Cow;
 
 use super::RC_BUFFER;
diff --git a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs
index 48f1cda..c1e03b7 100644
--- a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs
+++ b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs
@@ -1,6 +1,6 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::res::MaybeQPath;
-use clippy_utils::{expr_or_init, fn_def_id_with_node_args};
+use clippy_utils::{expr_or_init, fn_def_id_with_node_args, sym};
 use rustc_ast::BinOpKind;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_hir as hir;
@@ -14,7 +14,7 @@
 use rustc_middle::ty::{self, Ty, TyCtxt};
 use rustc_session::impl_lint_pass;
 use rustc_span::symbol::{Ident, kw};
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 use rustc_trait_selection::error_reporting::traits::suggestions::ReturnsVisitor;
 use std::ops::ControlFlow;
 
diff --git a/src/tools/clippy/clippy_lints/src/unnecessary_owned_empty_strings.rs b/src/tools/clippy/clippy_lints/src/unnecessary_owned_empty_strings.rs
index 0388450..229974b 100644
--- a/src/tools/clippy/clippy_lints/src/unnecessary_owned_empty_strings.rs
+++ b/src/tools/clippy/clippy_lints/src/unnecessary_owned_empty_strings.rs
@@ -1,12 +1,12 @@
 use clippy_utils::diagnostics::span_lint_and_sugg;
 use clippy_utils::res::MaybeDef;
+use clippy_utils::sym;
 use rustc_ast::ast::LitKind;
 use rustc_errors::Applicability;
 use rustc_hir::{BorrowKind, Expr, ExprKind, LangItem, Mutability};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::ty;
 use rustc_session::declare_lint_pass;
-use rustc_span::symbol::sym;
 
 declare_clippy_lint! {
     /// ### What it does
diff --git a/src/tools/clippy/clippy_lints/src/zombie_processes.rs b/src/tools/clippy/clippy_lints/src/zombie_processes.rs
index 0319f3e..92a5752 100644
--- a/src/tools/clippy/clippy_lints/src/zombie_processes.rs
+++ b/src/tools/clippy/clippy_lints/src/zombie_processes.rs
@@ -1,7 +1,7 @@
 use ControlFlow::{Break, Continue};
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::res::{MaybeDef, MaybeResPath};
-use clippy_utils::{fn_def_id, get_enclosing_block};
+use clippy_utils::{fn_def_id, get_enclosing_block, sym};
 use rustc_ast::Mutability;
 use rustc_ast::visit::visit_opt;
 use rustc_errors::Applicability;
@@ -11,7 +11,7 @@
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_middle::hir::nested_filter;
 use rustc_session::declare_lint_pass;
-use rustc_span::{Span, sym};
+use rustc_span::Span;
 use std::ops::ControlFlow;
 
 declare_clippy_lint! {
diff --git a/src/tools/clippy/clippy_utils/src/hir_utils.rs b/src/tools/clippy/clippy_utils/src/hir_utils.rs
index abc6885b..3ff40f2 100644
--- a/src/tools/clippy/clippy_utils/src/hir_utils.rs
+++ b/src/tools/clippy/clippy_utils/src/hir_utils.rs
@@ -1,7 +1,7 @@
 use crate::consts::ConstEvalCtxt;
 use crate::macros::macro_backtrace;
 use crate::source::{SpanRange, SpanRangeExt, walk_span_to_context};
-use crate::tokenize_with_text;
+use crate::{sym, tokenize_with_text};
 use rustc_ast::ast;
 use rustc_ast::ast::InlineAsmTemplatePiece;
 use rustc_data_structures::fx::{FxHasher, FxIndexMap};
@@ -19,7 +19,7 @@
 use rustc_lexer::{FrontmatterAllowed, TokenKind, tokenize};
 use rustc_lint::LateContext;
 use rustc_middle::ty::TypeckResults;
-use rustc_span::{BytePos, ExpnKind, MacroKind, Symbol, SyntaxContext, sym};
+use rustc_span::{BytePos, ExpnKind, MacroKind, Symbol, SyntaxContext};
 use std::hash::{Hash, Hasher};
 use std::ops::Range;
 use std::slice;
diff --git a/src/tools/clippy/clippy_utils/src/sym.rs b/src/tools/clippy/clippy_utils/src/sym.rs
index bd99525..6965225 100644
--- a/src/tools/clippy/clippy_utils/src/sym.rs
+++ b/src/tools/clippy/clippy_utils/src/sym.rs
@@ -34,25 +34,57 @@ macro_rules! generate {
 //
 // `cargo dev fmt` ensures that the content of the `generate!()` macro call stays sorted.
 generate! {
+    Any,
     Applicability,
+    ArrayIntoIter,
     AsyncReadExt,
     AsyncWriteExt,
     BACKSLASH_SINGLE_QUOTE: r"\'",
+    BTreeEntry,
+    BTreeSet,
     Binary,
+    BinaryHeap,
     CLIPPY_ARGS,
     CLIPPY_CONF_DIR,
     CRLF: "\r\n",
     Cargo_toml: "Cargo.toml",
+    Child,
+    Command,
+    Cow,
     Current,
     DOUBLE_QUOTE: "\"",
+    DebugStruct,
     Deserialize,
+    DirBuilder,
+    DoubleEndedIterator,
+    Duration,
     EarlyContext,
     EarlyLintPass,
+    Enumerate,
+    Error,
+    File,
+    FileType,
+    FsOpenOptions,
+    FsPermissions,
+    HashMapEntry,
+    Instant,
     IntoIter,
+    IoBufRead,
+    IoLines,
+    IoRead,
+    IoSeek,
+    IoWrite,
+    IpAddr,
+    Ipv4Addr,
+    Ipv6Addr,
+    IterEmpty,
+    IterOnce,
+    IterPeekable,
     Itertools,
     LF: "\n",
     LateContext,
     Lazy,
+    LinkedList,
     Lint,
     LowerExp,
     LowerHex,
@@ -62,20 +94,37 @@ macro_rules! generate {
     MsrvStack,
     Octal,
     OpenOptions,
+    OsStr,
+    OsString,
+    Path,
+    PathBuf,
     PathLookup,
+    RangeBounds,
+    Receiver,
+    RefCellRef,
+    RefCellRefMut,
     Regex,
     RegexBuilder,
     RegexSet,
+    Saturating,
+    SeekFrom,
+    SliceIter,
     Start,
+    Stdin,
     Symbol,
     SyntaxContext,
     TBD,
+    ToOwned,
+    ToString,
     UpperExp,
     UpperHex,
     V4,
     V6,
+    VecDeque,
     Visitor,
+    Waker,
     Weak,
+    Wrapping,
     abs,
     ambiguous_glob_reexports,
     app,
@@ -87,11 +136,18 @@ macro_rules! generate {
     as_deref_mut,
     as_mut,
     as_path,
+    as_ptr,
+    as_str,
     assert_failed,
     author,
+    binaryheap_iter,
+    bool_then,
     borrow,
     borrow_mut,
     box_assume_init_into_vec_unsafe,
+    btreemap_contains_key,
+    btreemap_insert,
+    btreeset_iter,
     build_hasher,
     by_ref,
     bytes,
@@ -103,6 +159,8 @@ macro_rules! generate {
     ceil,
     ceil_char_boundary,
     chain,
+    char_is_ascii,
+    char_to_digit,
     chars,
     check_attributes,
     checked_abs,
@@ -112,30 +170,40 @@ macro_rules! generate {
     checked_pow,
     checked_rem_euclid,
     checked_sub,
+    child_id,
+    child_kill,
     clamp,
     clippy_utils,
     clone_into,
     cloned,
+    cmp_max,
+    cmp_min,
     cognitive_complexity,
     collapsible_else_if,
     collapsible_if,
     collect,
     const_ptr,
     contains,
+    convert_identity,
     copied,
     copy_from,
     copy_from_nonoverlapping,
     copy_to,
     copy_to_nonoverlapping,
     core_arch,
+    core_panic_2021_macro,
     count_ones,
     create,
     create_new,
+    cstring_as_c_str,
     cx,
     cycle,
     cyclomatic_complexity,
+    dbg_macro,
     de,
+    debug_struct,
     deprecated_in_future,
+    deref_mut_method,
     diagnostics,
     disallowed_types,
     drain,
@@ -144,12 +212,53 @@ macro_rules! generate {
     ends_with,
     enum_glob_use,
     enumerate,
+    enumerate_method,
+    eprint_macro,
+    eprintln_macro,
     err,
     exp,
     expect_err,
     expn_data,
     exported_private_dependencies,
     extend,
+    f128_consts_mod,
+    f128_epsilon,
+    f16_consts_mod,
+    f16_epsilon,
+    f32_consts_mod,
+    f32_epsilon,
+    f32_legacy_const_digits,
+    f32_legacy_const_epsilon,
+    f32_legacy_const_infinity,
+    f32_legacy_const_mantissa_dig,
+    f32_legacy_const_max,
+    f32_legacy_const_max_10_exp,
+    f32_legacy_const_max_exp,
+    f32_legacy_const_min,
+    f32_legacy_const_min_10_exp,
+    f32_legacy_const_min_exp,
+    f32_legacy_const_min_positive,
+    f32_legacy_const_nan,
+    f32_legacy_const_neg_infinity,
+    f32_legacy_const_radix,
+    f64_consts_mod,
+    f64_epsilon,
+    f64_legacy_const_digits,
+    f64_legacy_const_epsilon,
+    f64_legacy_const_infinity,
+    f64_legacy_const_mantissa_dig,
+    f64_legacy_const_max,
+    f64_legacy_const_max_10_exp,
+    f64_legacy_const_max_exp,
+    f64_legacy_const_min,
+    f64_legacy_const_min_10_exp,
+    f64_legacy_const_min_exp,
+    f64_legacy_const_min_positive,
+    f64_legacy_const_nan,
+    f64_legacy_const_neg_infinity,
+    f64_legacy_const_radix,
+    field,
+    file_options,
     filter,
     filter_map,
     find,
@@ -163,11 +272,14 @@ macro_rules! generate {
     floor_char_boundary,
     fold,
     for_each,
+    format_args_macro,
     from_be_bytes,
     from_bytes_with_nul,
     from_bytes_with_nul_unchecked,
     from_days,
+    from_fn,
     from_hours,
+    from_iter_fn,
     from_le_bytes,
     from_micros,
     from_millis,
@@ -178,9 +290,11 @@ macro_rules! generate {
     from_raw,
     from_raw_parts,
     from_secs,
+    from_str_method,
     from_str_radix,
     from_weeks,
     fs,
+    fs_create_dir,
     fuse,
     futures_util,
     get,
@@ -190,19 +304,64 @@ macro_rules! generate {
     get_unchecked,
     get_unchecked_mut,
     has_significant_drop,
+    hashmap_contains_key,
+    hashmap_drain_ty,
+    hashmap_insert,
+    hashmap_iter_mut_ty,
+    hashmap_iter_ty,
+    hashmap_keys_ty,
+    hashmap_values_mut_ty,
+    hashmap_values_ty,
+    hashset_drain_ty,
+    hashset_iter,
+    hashset_iter_ty,
     help,
     hidden_glob_reexports,
     hygiene,
+    i128_legacy_const_max,
+    i128_legacy_const_min,
+    i128_legacy_fn_max_value,
+    i128_legacy_fn_min_value,
+    i128_legacy_mod,
+    i16_legacy_const_max,
+    i16_legacy_const_min,
+    i16_legacy_fn_max_value,
+    i16_legacy_fn_min_value,
+    i16_legacy_mod,
+    i32_legacy_const_max,
+    i32_legacy_const_min,
+    i32_legacy_fn_max_value,
+    i32_legacy_fn_min_value,
+    i32_legacy_mod,
+    i64_legacy_const_max,
+    i64_legacy_const_min,
+    i64_legacy_fn_max_value,
+    i64_legacy_fn_min_value,
+    i64_legacy_mod,
+    i8_legacy_const_max,
+    i8_legacy_const_min,
+    i8_legacy_fn_max_value,
+    i8_legacy_fn_min_value,
+    i8_legacy_mod,
     ilog,
+    include_bytes_macro,
+    include_str_macro,
     insert,
     insert_str,
     inspect,
+    instant_now,
     int_roundings,
     into,
     into_bytes,
     into_ok,
     into_owned,
+    intrinsics_unaligned_volatile_load,
+    intrinsics_unaligned_volatile_store,
     io,
+    io_error_new,
+    io_errorkind,
+    io_stderr,
+    io_stdout,
     is_ascii,
     is_char_boundary,
     is_diag_item,
@@ -218,7 +377,16 @@ macro_rules! generate {
     is_some,
     is_some_and,
     is_sorted_by_key,
+    isize_legacy_const_max,
+    isize_legacy_const_min,
+    isize_legacy_fn_max_value,
+    isize_legacy_fn_min_value,
+    isize_legacy_mod,
     isqrt,
+    iter_cloned,
+    iter_copied,
+    iter_filter,
+    iter_repeat,
     itertools,
     join,
     kw,
@@ -231,6 +399,7 @@ macro_rules! generate {
     log,
     log10,
     log2,
+    macro_concat,
     macro_use_imports,
     map_break,
     map_continue,
@@ -239,11 +408,16 @@ macro_rules! generate {
     map_while,
     match_indices,
     matches,
+    matches_macro,
     max,
     max_by,
     max_by_key,
     max_value,
     maximum,
+    mem_align_of,
+    mem_replace,
+    mem_size_of,
+    mem_size_of_val,
     min,
     min_by,
     min_by_key,
@@ -266,26 +440,48 @@ macro_rules! generate {
     ok_or,
     once_cell,
     open,
+    open_options_new,
+    option_expect,
+    option_unwrap,
     or_default,
     or_else,
     or_insert,
     or_insert_with,
+    os_str_to_os_string,
+    os_string_as_os_str,
     outer_expn,
+    panic_any,
     panic_str,
     parse,
     partition,
+    path_main_separator,
+    path_to_pathbuf,
+    pathbuf_as_path,
     paths,
     peek,
     peek_mut,
     peekable,
+    permissions_from_mode,
+    pin_macro,
+    position,
     pow,
     powf,
     powi,
+    print_macro,
+    println_macro,
+    process_abort,
+    process_exit,
     product,
+    ptr_read_volatile,
+    ptr_slice_from_raw_parts,
+    ptr_slice_from_raw_parts_mut,
+    ptr_without_provenance,
+    ptr_without_provenance_mut,
     push,
     push_back,
     push_front,
     push_str,
+    range_step,
     read,
     read_exact,
     read_line,
@@ -305,6 +501,7 @@ macro_rules! generate {
     reserve,
     resize,
     restriction,
+    result_ok_method,
     rev,
     rfind,
     rmatch_indices,
@@ -324,6 +521,7 @@ macro_rules! generate {
     rustfmt_skip,
     rwlock,
     saturating_abs,
+    saturating_div,
     saturating_pow,
     scan,
     seek,
@@ -333,7 +531,11 @@ macro_rules! generate {
     set_readonly,
     signum,
     single_component_path_imports,
+    skip,
     skip_while,
+    slice_from_ref,
+    slice_into_vec,
+    slice_iter,
     slice_mut_unchecked,
     slice_unchecked,
     sort,
@@ -358,6 +560,20 @@ macro_rules! generate {
     starts_with,
     std_detect,
     step_by,
+    str_chars,
+    str_ends_with,
+    str_len,
+    str_split_whitespace,
+    str_starts_with,
+    str_trim,
+    str_trim_end,
+    str_trim_start,
+    string_as_mut_str,
+    string_as_str,
+    string_from_utf8,
+    string_insert_str,
+    string_new,
+    string_push_str,
     strlen,
     style,
     subsec_micros,
@@ -369,6 +585,7 @@ macro_rules! generate {
     tcx,
     then,
     then_some,
+    thread_local_macro,
     to_ascii_lowercase,
     to_ascii_uppercase,
     to_be_bytes,
@@ -378,8 +595,11 @@ macro_rules! generate {
     to_ne_bytes,
     to_os_string,
     to_owned,
+    to_owned_method,
     to_path_buf,
+    to_string_method,
     to_uppercase,
+    todo_macro,
     tokio,
     trim,
     trim_end,
@@ -389,6 +609,8 @@ macro_rules! generate {
     truncate,
     try_fold,
     try_for_each,
+    try_from_fn,
+    unimplemented_macro,
     unreachable_pub,
     unsafe_removed_from_name,
     unused,
@@ -403,6 +625,15 @@ macro_rules! generate {
     unwrap_unchecked,
     unzip,
     utils,
+    vec_as_mut_slice,
+    vec_as_slice,
+    vec_from_elem,
+    vec_is_empty,
+    vec_macro,
+    vec_new,
+    vec_pop,
+    vec_with_capacity,
+    vecdeque_iter,
     visit_str,
     visit_string,
     wake,
diff --git a/src/tools/clippy/clippy_utils/src/ty/mod.rs b/src/tools/clippy/clippy_utils/src/ty/mod.rs
index 639492b..a46b906 100644
--- a/src/tools/clippy/clippy_utils/src/ty/mod.rs
+++ b/src/tools/clippy/clippy_utils/src/ty/mod.rs
@@ -25,7 +25,7 @@
     TypeVisitableExt, TypeVisitor, UintTy, Upcast, VariantDef, VariantDiscr,
 };
 use rustc_span::symbol::Ident;
-use rustc_span::{DUMMY_SP, Span, Symbol, sym};
+use rustc_span::{DUMMY_SP, Span, Symbol};
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _;
 use rustc_trait_selection::traits::query::normalize::QueryNormalizeExt;
 use rustc_trait_selection::traits::{Obligation, ObligationCause};
@@ -38,6 +38,7 @@
 
 use crate::paths::{PathNS, lookup_path_str};
 use crate::res::{MaybeDef, MaybeQPath};
+use crate::sym;
 
 mod type_certainty;
 pub use type_certainty::expr_type_is_certain;
diff --git a/src/tools/clippy/clippy_utils/src/usage.rs b/src/tools/clippy/clippy_utils/src/usage.rs
index e27f1da..4a1d240 100644
--- a/src/tools/clippy/clippy_utils/src/usage.rs
+++ b/src/tools/clippy/clippy_utils/src/usage.rs
@@ -1,7 +1,7 @@
 use crate::macros::root_macro_call_first_node;
 use crate::res::MaybeResPath;
 use crate::visitors::{Descend, Visitable, for_each_expr, for_each_expr_without_closures};
-use crate::{self as utils, get_enclosing_loop_or_multi_call_closure};
+use crate::{self as utils, get_enclosing_loop_or_multi_call_closure, sym};
 use core::ops::ControlFlow;
 use hir::def::Res;
 use rustc_hir::intravisit::{self, Visitor};
@@ -11,7 +11,6 @@
 use rustc_middle::hir::nested_filter;
 use rustc_middle::mir::FakeReadCause;
 use rustc_middle::ty;
-use rustc_span::sym;
 
 /// Returns a set of mutated local variable IDs, or `None` if mutations could not be determined.
 pub fn mutated_variables<'tcx>(expr: &'tcx Expr<'_>, cx: &LateContext<'tcx>) -> Option<HirIdSet> {