1. The Unstable Book
  2. Compiler environment variables
    1. COLORTERM
    2. QNX_TARGET
    3. RUSTC_BLESS
    4. RUSTC_BOOTSTRAP
    5. RUSTC_BREAK_ON_ICE
    6. RUSTC_CTFE_BACKTRACE
    7. RUSTC_FORCE_RUSTC_VERSION
    8. RUSTC_GRAPHVIZ_FONT
    9. RUSTC_ICE
    10. RUSTC_LOG
    11. RUSTC_OVERRIDE_VERSION_STRING
    12. RUSTC_WINDOWS_RC
    13. RUST_BACKTRACE
    14. RUST_DEP_GRAPH
    15. RUST_DEP_GRAPH_FILTER
    16. RUST_FORBID_DEP_GRAPH_EDGE
    17. RUST_MIN_STACK
    18. RUST_TARGET_PATH
    19. SDKROOT
    20. TERM
    21. UNSTABLE_RUSTDOC_TEST_LINE
    22. UNSTABLE_RUSTDOC_TEST_PATH
  3. Compiler flags
    1. allow_features
    2. allow_partial_mitigations
    3. always_encode_mir
    4. annotate_moves
    5. assert_incr_state
    6. assume_incomplete_release
    7. assumptions_on_binders
    8. autodiff
    9. binary_dep_depinfo
    10. box_noalias
    11. branch_protection
    12. build_sdylib_interface
    13. cache_proc_macros
    14. cf_protection
    15. check_cfg_all_expected
    16. checksum_hash_algorithm
    17. codegen_backend
    18. codegen_emit_retag
    19. codegen_options
    20. codegen_source_order
    21. contract_checks
    22. control_flow_guard
    23. coverage_options
    24. crate_attr
    25. cross_crate_inline_threshold
    26. debug_info_type_line_numbers
    27. debug_info_type_line_numbers
    28. debuginfo_compression
    29. debuginfo_for_profiling
    30. debuginfo_for_profiling
    31. deduplicate_diagnostics
    32. default_visibility
    33. deny_partial_mitigations
    34. dep_info_omit_d_target
    35. direct_access_external_data
    36. disable_fast_paths
    37. disable_incr_comp_backend_caching
    38. dual_proc_macros
    39. dump_dep_graph
    40. dump_mir
    41. dump_mir_dataflow
    42. dump_mir_dir
    43. dump_mir_exclude_alloc_bytes
    44. dump_mir_exclude_pass_number
    45. dump_mir_graphviz
    46. dump_mono_stats
    47. dump_mono_stats_format
    48. dwarf_version
    49. dylib_lto
    50. eagerly_emit_delayed_bugs
    51. ehcont_guard
    52. embed_metadata
    53. embed_source
    54. emit_stack_sizes
    55. enforce_type_length_limit
    56. env_set
    57. experimental_default_bounds
    58. export_executable_symbols
    59. extern_options
    60. external_clangrt
    61. extra_const_ub_checks
    62. fewer_names
    63. fixed_x18
    64. flatten_format_args
    65. fmt_debug
    66. force_unstable_if_unmarked
    67. function_return
    68. function_sections
    69. future_incompat_test
    70. graphviz_dark_mode
    71. graphviz_font
    72. has_thread_local
    73. help
    74. higher_ranked_assumptions
    75. hint_mostly_unused
    76. human_readable_cgu_names
    77. identify_regions
    78. ignore_directory_in_diagnostics_source_blocks
    79. incremental_ignore_spans
    80. incremental_info
    81. incremental_verify_ich
    82. indirect_branch_cs_prefix
    83. inline_llvm
    84. inline_mir
    85. inline_mir_forwarder_threshold
    86. inline_mir_hint_threshold
    87. inline_mir_preserve_debug
    88. inline_mir_threshold
    89. input_stats
    90. instrument_mcount
    91. instrument_xray
    92. internal_testing_features
    93. large_data_threshold
    94. layout_seed
    95. link_directives
    96. link_native_libraries
    97. link_only
    98. lint_llvm_ir
    99. lint_mir
    100. llvm_module_flag
    101. llvm_plugins
    102. llvm_time_trace
    103. llvm_writable
    104. location_detail
    105. ls
    106. macro_backtrace
    107. macro_stats
    108. maximal_hir_to_mir_coverage
    109. merge_functions
    110. meta_stats
    111. metrics_dir
    112. min_function_alignment
    113. min_recursion_limit
    114. min_recursive_limit
    115. mir_enable_passes
    116. mir_include_spans
    117. mir_opt_bisect_limit
    118. mir_opt_level
    119. mir_preserve_ub
    120. mir_strip_debuginfo
    121. move_size_limit
    122. mutable_noalias
    123. namespaced_crates
    124. next_solver
    125. nll_facts
    126. nll_facts_dir
    127. no_analysis
    128. no_codegen
    129. no_generate_arange_section
    130. no_implied_bounds_compat
    131. no_leak_check
    132. no_link
    133. no_parallel_backend
    134. no_parallel_llvm
    135. no_profiler_runtime
    136. no_steal_thir
    137. no_trait_vptr
    138. no_unique_section_names
    139. normalize_docs
    140. offload
    141. on_broken_pipe
    142. osx_rpath_install_name
    143. packed_bundled_libs
    144. packed_stack
    145. panic_abort_tests
    146. panic_in_drop
    147. parse_crate_root_only
    148. patchable_function_entry
    149. plt
    150. polonius
    151. pre_link_arg
    152. pre_link_args
    153. precise_enum_drop_elaboration
    154. print_check_cfg
    155. print_codegen_stats
    156. print_codegen_stats_json
    157. print_crate_root_lint_levels
    158. print_llvm_passes
    159. print_mono_items
    160. print_supported_crate_types
    161. print_type_sizes
    162. proc_macro_backtrace
    163. proc_macro_execution_strategy
    164. profile_closures
    165. profile_sample_use
    166. profile_sample_use
    167. profiler_runtime
    168. query_dep_graph
    169. randomize_layout
    170. reg_struct_return
    171. regparm
    172. relax_elf_relocations
    173. remap_cwd_prefix
    174. remark_dir
    175. report_time
    176. retpoline
    177. retpoline_external_thunk
    178. sanitizer
    179. sanitizer_cfi_canonical_jump_tables
    180. sanitizer_cfi_generalize_pointers
    181. sanitizer_cfi_normalize_integers
    182. sanitizer_dataflow_abilist
    183. sanitizer_kcfi_arity
    184. sanitizer_memory_track_origins
    185. sanitizer_recover
    186. saturating_float_casts
    187. self_profile
    188. self_profile_counter
    189. self_profile_events
    190. share_generics
    191. shell_argfiles
    192. simulate_remapped_rust_src_base
    193. small_data_threshold
    194. span_debug
    195. span_free_formats
    196. split_dwarf_inlining
    197. split_dwarf_kind
    198. split_dwarf_out_dir
    199. split_lto_unit
    200. src_hash_algorithm
    201. stack_protector
    202. staticlib_allow_rdylib_deps
    203. staticlib_hide_internal_symbols
    204. staticlib_prefer_dynamic
    205. strict_init_checks
    206. teach
    207. temps_dir
    208. terminal_urls
    209. thinlto
    210. threads
    211. time_llvm_passes
    212. time_passes
    213. time_passes_format
    214. tiny_const_eval_limit
    215. tls_model
    216. trace_macros
    217. track_diagnostics
    218. translate_remapped_path_to_local_path
    219. trap_unreachable
    220. treat_err_as_bug
    221. trim_diagnostic_paths
    222. tune_cpu
    223. typing_mode_post_typeck_until_borrowck
    224. ub_checks
    225. ui_testing
    226. uninit_const_chunk_threshold
    227. unleash_the_miri_inside_of_you
    228. unpretty
    229. unsound_mir_opts
    230. unstable_options
    231. use_ctors_section
    232. use_sync_unwind
    233. validate_mir
    234. verbose_asm
    235. verbose_internals
    236. verify_llvm_ir
    237. virtual_function_elimination
    238. wasi_exec_model
    239. wasm_c_abi
    240. write_long_types_to_disk
  4. Language features
    1. aarch64_unstable_target_feature
    2. aarch64_ver_target_feature
    3. abi_avr_interrupt
    4. abi_cmse_nonsecure_call
    5. abi_custom
    6. abi_gpu_kernel
    7. abi_msp430_interrupt
    8. abi_ptx
    9. abi_riscv_interrupt
    10. abi_swift
    11. abi_unadjusted
    12. abi_vectorcall
    13. abi_x86_interrupt
    14. adt_const_params
    15. alloc_error_handler
    16. allocator_internals
    17. allow_internal_unsafe
    18. allow_internal_unstable
    19. anonymous_lifetime_in_impl_trait
    20. apx_target_feature
    21. arbitrary_self_types
    22. arbitrary_self_types_pointers
    23. arm_target_feature
    24. asm_experimental_arch
    25. asm_experimental_reg
    26. asm_goto_with_outputs
    27. asm_unwind
    28. associated_type_defaults
    29. async_drop
    30. async_fn_in_dyn_trait
    31. async_fn_track_caller
    32. async_for_loop
    33. async_trait_bounds
    34. auto_traits
    35. avr_target_feature
    36. avx10_target_feature
    37. box_patterns
    38. bpf_target_feature
    39. builtin_syntax
    40. c_variadic
    41. c_variadic_experimental_arch
    42. c_variadic_naked_functions
    43. cfg_contract_checks
    44. cfg_overflow_checks
    45. cfg_relocation_model
    46. cfg_sanitize
    47. cfg_sanitizer_cfi
    48. cfg_target_compact
    49. cfg_target_has_atomic
    50. cfg_target_has_reliable_f16_f128
    51. cfg_target_object_format
    52. cfg_target_thread_local
    53. cfg_ub_checks
    54. cfg_version
    55. cfi_encoding
    56. clflushopt_target_feature
    57. closure_lifetime_binder
    58. closure_track_caller
    59. cmse_nonsecure_entry
    60. compiler_builtins
    61. const_async_blocks
    62. const_block_items
    63. const_c_variadic
    64. const_closures
    65. const_destruct
    66. const_for
    67. const_param_ty_unchecked
    68. const_precise_live_drops
    69. const_trait_impl
    70. const_try
    71. contracts
    72. contracts_internals
    73. coroutine_clone
    74. coroutines
    75. coverage_attribute
    76. csky_target_feature
    77. custom_inner_attributes
    78. custom_mir
    79. custom_test_frameworks
    80. decl_macro
    81. default_field_values
    82. deprecated_suggestion
    83. deref_patterns
    84. derive_from
    85. diagnostic_on_const
    86. diagnostic_on_move
    87. diagnostic_on_type_error
    88. diagnostic_on_unknown
    89. diagnostic_on_unmatched_args
    90. doc_cfg
    91. doc_masked
    92. doc_notable_trait
    93. dropck_eyepatch
    94. effective_target_features
    95. eii_internals
    96. ergonomic_clones
    97. ermsb_target_feature
    98. exhaustive_patterns
    99. explicit_extern_abis
    100. explicit_tail_calls
    101. export_stable
    102. extern_item_impls
    103. extern_types
    104. f128
    105. f16
    106. ffi_const
    107. ffi_pure
    108. field_projections
    109. field_representing_type_raw
    110. final_associated_functions
    111. fma4_target_feature
    112. fmt_debug
    113. fn_align
    114. fn_delegation
    115. freeze_impls
    116. frontmatter
    117. fundamental
    118. gen_blocks
    119. generic_assert
    120. generic_const_args
    121. generic_const_exprs
    122. generic_const_items
    123. generic_const_parameter_types
    124. generic_pattern_types
    125. global_registration
    126. guard_patterns
    127. half_open_range_patterns_in_slices
    128. hexagon_target_feature
    129. impl_restriction
    130. impl_trait_in_assoc_type
    131. impl_trait_in_bindings
    132. impl_trait_in_fn_trait_return
    133. import_trait_associated_functions
    134. inherent_associated_types
    135. intra_doc_pointers
    136. intrinsics
    137. lahfsahf_target_feature
    138. lang_items
    139. large_assignments
    140. lazy_type_alias
    141. link_arg_attribute
    142. link_cfg
    143. link_llvm_intrinsics
    144. linkage
    145. loongarch_target_feature
    146. loop_match
    147. m68k_target_feature
    148. macro_attr
    149. macro_derive
    150. macro_guard_matcher
    151. macro_metavar_expr
    152. macro_metavar_expr_concat
    153. marker_trait_attr
    154. mgca_type_const_syntax
    155. min_adt_const_params
    156. min_generic_const_args
    157. min_specialization
    158. mips_target_feature
    159. more_maybe_bounds
    160. more_qualified_paths
    161. move_expr
    162. movrs_target_feature
    163. multiple_supertrait_upcastable
    164. must_not_suspend
    165. mut_ref
    166. mut_restriction
    167. naked_functions_rustic_abi
    168. naked_functions_target_feature
    169. native_link_modifiers_as_needed
    170. needs_panic_runtime
    171. negative_bounds
    172. negative_impls
    173. never_patterns
    174. never_type
    175. new_range
    176. no_core
    177. non_exhaustive_omitted_patterns_lint
    178. non_lifetime_binders
    179. nvptx_target_feature
    180. offset_of_enum
    181. offset_of_slice
    182. optimize_attribute
    183. panic_runtime
    184. patchable_function_entry
    185. pattern_complexity_limit
    186. pattern_types
    187. pin_ergonomics
    188. postfix_match
    189. powerpc_target_feature
    190. prelude_import
    191. prfchw_target_feature
    192. proc_macro_hygiene
    193. profiler_runtime
    194. raw_dylib_elf
    195. reborrow
    196. ref_pat_eat_one_layer_2024
    197. ref_pat_eat_one_layer_2024_structural
    198. register_tool
    199. repr_simd
    200. return_type_notation
    201. riscv_target_feature
    202. rtm_target_feature
    203. rust_cold_cc
    204. rust_preserve_none_cc
    205. rust_tail_cc
    206. rustc_attrs
    207. rustc_private
    208. rustdoc_internals
    209. rustdoc_missing_doc_code_examples
    210. s390x_target_feature
    211. sanitize
    212. simd_ffi
    213. sized_hierarchy
    214. sparc_target_feature
    215. specialization
    216. splat
    217. staged_api
    218. static_align
    219. stmt_expr_attributes
    220. strict_provenance_lints
    221. structural_match
    222. super_let
    223. supertrait_item_shadowing
    224. test_incomplete_feature
    225. test_unstable_lint
    226. thread_local
    227. trait_alias
    228. transmute_generic_consts
    229. transparent_unions
    230. trivial_bounds
    231. try_blocks
    232. try_blocks_heterogeneous
    233. type_alias_impl_trait
    234. type_changing_struct_update
    235. unboxed_closures
    236. unnamed_enum_variants
    237. unqualified_local_imports
    238. unsafe_binders
    239. unsafe_fields
    240. unsized_const_params
    241. unsized_fn_params
    242. used_with_arg
    243. view_types
    244. wasm_target_feature
    245. where_clause_attrs
    246. with_negative_coherence
    247. x86_amx_intrinsics
    248. x87_target_feature
    249. xop_target_feature
    250. xtensa_target_feature
    251. yeet_expr
    252. yield_expr
  5. Library Features
    1. abort_immediate
    2. abort_unwind
    3. acceptfilter
    4. addr_parse_ascii
    5. align_to_uninit_mut
    6. alloc_error_hook
    7. alloc_internals
    8. alloc_slice_into_array
    9. allocator_api
    10. alloctests
    11. arc_is_unique
    12. array_into_iter_constructors
    13. array_ptr_get
    14. array_try_from_fn
    15. array_try_map
    16. ascii_char
    17. ascii_char_variants
    18. async_fn_traits
    19. async_gen_internals
    20. async_iter_from_iter
    21. async_iterator
    22. atomic_from_mut
    23. atomic_internals
    24. atomic_ptr_null
    25. autodiff
    26. backtrace_frames
    27. bikeshed_guaranteed_no_drop
    28. binary_heap_as_mut_slice
    29. binary_heap_drain_sorted
    30. binary_heap_from_raw_vec
    31. binary_heap_into_iter_sorted
    32. binary_heap_peek_mut_refresh
    33. binary_heap_pop_if
    34. borrowed_buf_init
    35. bound_as_ref
    36. bound_copied
    37. box_into_boxed_slice
    38. box_into_inner
    39. box_take
    40. box_vec_non_null
    41. breakpoint
    42. bstr
    43. bstr_internals
    44. btree_cursors
    45. btree_merge
    46. btree_set_entry
    47. btreemap_alloc
    48. buf_read_has_data_left
    49. bufreader_peek
    50. c_size_t
    51. c_void_variant
    52. can_vector
    53. case_ignorable
    54. casefold
    55. cast_maybe_uninit
    56. cell_get_cloned
    57. cell_leak
    58. cfg_accessible
    59. cfg_eval
    60. char_internals
    61. clamp_magnitude
    62. clone_from_ref
    63. clone_to_uninit
    64. cmp_minmax
    65. coerce_pointee_validated
    66. coerce_unsized
    67. command_resolved_envs
    68. concat_bytes
    69. const_alloc_error
    70. const_array
    71. const_bool
    72. const_btree_len
    73. const_carrying_mul_add
    74. const_cell_traits
    75. const_clone
    76. const_cmp
    77. const_control_flow
    78. const_convert
    79. const_default
    80. const_drop_guard
    81. const_drop_in_place
    82. const_eval_select
    83. const_format_args
    84. const_heap
    85. const_index
    86. const_iter
    87. const_manually_drop_take
    88. const_never_short_circuit
    89. const_nonnull_with_exposed_provenance
    90. const_ops
    91. const_option_ops
    92. const_param_ty_trait
    93. const_path_separators
    94. const_range
    95. const_range_bounds
    96. const_raw_ptr_comparison
    97. const_ref_cell
    98. const_result_trait_fn
    99. const_result_unwrap_unchecked
    100. const_select_unpredictable
    101. const_slice_from_mut_ptr_range
    102. const_slice_from_ptr_range
    103. const_slice_make_iter
    104. const_split_off_first_last
    105. const_swap_with_slice
    106. const_try_residual
    107. const_type_name
    108. const_unsigned_bigint_helpers
    109. container_error_extra
    110. context_ext
    111. control_flow_into_value
    112. convert_float_to_int
    113. copied_into_inner
    114. core_float_math
    115. core_intrinsics
    116. core_intrinsics_fallbacks
    117. core_io
    118. core_io_borrowed_buf
    119. core_io_internals
    120. core_private_bignum
    121. core_private_diy_float
    122. coroutine_trait
    123. cow_is_borrowed
    124. cstr_bytes
    125. cstr_display
    126. cstr_internals
    127. current_thread_id
    128. cursor_split
    129. darwin_objc
    130. deadline_api
    131. debug_closure_helpers
    132. dec2flt
    133. deque_extend_front
    134. deref_pure_trait
    135. derive_clone_copy_internals
    136. derive_coerce_pointee
    137. derive_const
    138. derive_eq_internals
    139. derive_macro_global_path
    140. dir_entry_ext2
    141. dirfd
    142. dirhandle
    143. discriminant_kind
    144. disjoint_bitor
    145. dispatch_from_dyn
    146. downcast_unchecked
    147. drain_keep_rest
    148. drop_guard
    149. duration_constants
    150. duration_constructors
    151. duration_integer_division
    152. duration_millis_float
    153. duration_units
    154. edition_panic
    155. error_generic_member_access
    156. error_iter
    157. error_reporter
    158. error_type_id
    159. exact_bitshifts
    160. exact_div
    161. exact_size_is_empty
    162. exclusive_wrapper
    163. exit_status_error
    164. exitcode_exit_method
    165. extend_one
    166. extend_one_unchecked
    167. f32_from_f16
    168. fd
    169. file_buffered
    170. float_bits_const
    171. float_erf
    172. float_exact_integer_constants
    173. float_gamma
    174. float_masks
    175. float_minimum_maximum
    176. flt2dec
    177. fmt_arguments_from_str
    178. fmt_helpers_for_derive
    179. fmt_internals
    180. fn_ptr_trait
    181. fn_traits
    182. forget_unsized
    183. format_args_nl
    184. formatting_options
    185. freeze
    186. fs_set_times
    187. funnel_shifts
    188. future_join
    189. gen_future
    190. generic_assert_internals
    191. generic_atomic
    192. get_disjoint_mut_helpers
    193. get_mut_unchecked
    194. gethostname
    195. gpu_intrinsics
    196. gpu_launch_sized_workgroup_mem
    197. gpu_offload
    198. hash_map_internals
    199. hash_map_macro
    200. hash_set_entry
    201. hasher_prefixfree_extras
    202. hashmap_internals
    203. hint_must_use
    204. hint_prefetch
    205. inplace_iteration
    206. int_from_ascii
    207. int_roundings
    208. integer_atomics
    209. integer_cast_extras
    210. integer_casts
    211. integer_widen_truncate
    212. internal_output_capture
    213. io_const_error
    214. io_const_error_internals
    215. io_error_inprogress
    216. io_error_more
    217. io_error_uncategorized
    218. io_slice_as_bytes
    219. ip
    220. ip_as_octets
    221. ip_multicast_reserved
    222. is_ascii_octdigit
    223. is_loongarch_feature_detected
    224. is_riscv_feature_detected
    225. iter_advance_by
    226. iter_array_chunks
    227. iter_collect_into
    228. iter_from_coroutine
    229. iter_intersperse
    230. iter_is_partitioned
    231. iter_macro
    232. iter_map_windows
    233. iter_next_chunk
    234. iter_order_by
    235. iter_partition_in_place
    236. iterator_try_collect
    237. iterator_try_reduce
    238. junction_point
    239. layout_for_ptr
    240. lazy_cell_into_inner
    241. legacy_receiver_trait
    242. liballoc_internals
    243. libstd_sys_internals
    244. likely_unlikely
    245. linked_list_cursors
    246. linked_list_remove
    247. linked_list_retain
    248. linux_pidfd
    249. local_key_cell_update
    250. local_waker
    251. lock_value_accessors
    252. log_syntax
    253. map_try_insert
    254. mapped_lock_guards
    255. maybe_dangling
    256. maybe_uninit_array_assume_init
    257. maybe_uninit_as_bytes
    258. maybe_uninit_fill
    259. maybe_uninit_uninit_array_transpose
    260. mem_conjure_zst
    261. mem_copy_fn
    262. more_float_constants
    263. motor_ext
    264. mpmc_channel
    265. mpsc_is_disconnected
    266. mutex_data_ptr
    267. new_range_remainder
    268. next_index
    269. nonpoison_condvar
    270. nonpoison_mutex
    271. nonpoison_rwlock
    272. nonzero_bitwise
    273. nonzero_from_mut
    274. nonzero_internals
    275. nonzero_ops
    276. normalize_lexically
    277. num_internals
    278. numfmt
    279. objc_class_variant
    280. objc_selector_variant
    281. once_cell_get_mut
    282. once_cell_try
    283. once_cell_try_insert
    284. one_sided_range
    285. oneshot_channel
    286. option_array_transpose
    287. option_get_or_try_insert_with
    288. option_into_flat_iter
    289. option_reduce
    290. option_reference_flattening
    291. option_zip
    292. os_str_slice
    293. os_str_split_at
    294. os_string_truncate
    295. panic_abort
    296. panic_always_abort
    297. panic_backtrace_config
    298. panic_can_unwind
    299. panic_internals
    300. panic_unwind
    301. panic_update_hook
    302. partial_ord_chaining_methods
    303. path_absolute_method
    304. path_trailing_sep
    305. pattern
    306. pattern_type_macro
    307. pattern_type_range_trait
    308. peer_credentials_unix_socket
    309. phantom_variance_markers
    310. pin_coerce_unsized_trait
    311. pin_derefmut_internals
    312. pin_macro_internals
    313. pointer_is_aligned_to
    314. pointer_try_cast_aligned
    315. portable_simd
    316. prelude_future
    317. prelude_next
    318. print_internals
    319. proc_macro_def_site
    320. proc_macro_diagnostic
    321. proc_macro_expand
    322. proc_macro_internals
    323. proc_macro_quote
    324. proc_macro_span
    325. proc_macro_totokens
    326. proc_macro_tracked_env
    327. proc_macro_tracked_path
    328. proc_macro_value
    329. process_chroot
    330. process_exitcode_internals
    331. process_internals
    332. process_setsid
    333. profiler_runtime_lib
    334. profiling_marker_api
    335. ptr_alignment_type
    336. ptr_as_uninit
    337. ptr_cast_array
    338. ptr_cast_slice
    339. ptr_internals
    340. ptr_mask
    341. ptr_metadata
    342. pub_crate_should_not_need_unstable_attr
    343. random
    344. range_bounds_is_empty
    345. range_into_bounds
    346. raw_os_error_ty
    347. raw_slice_split
    348. raw_vec_internals
    349. read_array
    350. read_buf
    351. read_buf_at
    352. reentrant_lock
    353. reentrant_lock_data_ptr
    354. refcell_try_map
    355. restricted_std
    356. return_address
    357. rev_into_inner
    358. rt
    359. rwlock_data_ptr
    360. sealed
    361. seek_io_take_position
    362. seek_stream_len
    363. set_permissions_nofollow
    364. set_ptr_value
    365. setgroups
    366. sgx_platform
    367. share_trait
    368. signed_bigint_helpers
    369. sized_type_properties
    370. slice_concat_ext
    371. slice_concat_trait
    372. slice_from_ptr_range
    373. slice_index_methods
    374. slice_internals
    375. slice_iter_mut_as_mut_slice
    376. slice_partial_sort_unstable
    377. slice_partition_dedup
    378. slice_pattern
    379. slice_ptr_get
    380. slice_range
    381. slice_shift
    382. slice_split_once
    383. slice_swap_unchecked
    384. sliceindex_wrappers
    385. smart_pointer_try_map
    386. solid_ext
    387. sort_floats
    388. split_array
    389. split_as_slice
    390. std_internals
    391. stdarch_aarch64_feature_detection
    392. stdarch_arm_feature_detection
    393. stdarch_internal
    394. stdarch_loongarch_feature_detection
    395. stdarch_mips_feature_detection
    396. stdarch_powerpc_feature_detection
    397. stdarch_riscv_feature_detection
    398. stdio_fd_consts
    399. stdio_makes_pipe
    400. stdio_swap
    401. step_trait
    402. str_as_str
    403. str_from_raw_parts
    404. str_from_utf16_endian
    405. str_internals
    406. str_lines_remainder
    407. str_split_inclusive_remainder
    408. str_split_remainder
    409. str_split_whitespace_remainder
    410. string_from_utf8_lossy_owned
    411. string_into_chars
    412. string_remove_matches
    413. string_replace_in_place
    414. strip_circumfix
    415. substr_range
    416. sync_nonpoison
    417. sync_poison_mod
    418. sync_unsafe_cell
    419. tcp_deferaccept
    420. tcp_keepalive
    421. tcp_linger
    422. tcplistener_into_incoming
    423. temporary_niche_types
    424. test
    425. thin_box
    426. thread_id_value
    427. thread_local_internals
    428. thread_raw
    429. thread_sleep_until
    430. thread_spawn_hook
    431. time_saturating_systemtime
    432. time_systemtime_limits
    433. titlecase
    434. trace_macros
    435. transmutability
    436. transmute_neo
    437. transmute_prefix
    438. trim_prefix_suffix
    439. trivial_clone
    440. trusted_fused
    441. trusted_len
    442. trusted_random_access
    443. trusted_step
    444. try_as_dyn
    445. try_entry
    446. try_find
    447. try_from_int_error_kind
    448. try_reserve_kind
    449. try_trait_v2
    450. try_trait_v2_residual
    451. try_trait_v2_yeet
    452. try_with_capacity
    453. tuple_trait
    454. type_ascription
    455. type_info
    456. ub_checks
    457. uefi_std
    458. uint_carryless_mul
    459. uint_gather_scatter_bits
    460. unicode_internals
    461. unique_rc_arc
    462. unix_file_vectored_at
    463. unix_kill_process_group
    464. unix_mkfifo
    465. unix_send_signal
    466. unix_set_mark
    467. unix_socket_ancillary_data
    468. unix_socket_exclbind
    469. unix_socket_peek
    470. unsafe_cell_access
    471. unsafe_pinned
    472. unsafe_unpin
    473. unsize
    474. unwrap_infallible
    475. update_panic_count
    476. utf16_extra
    477. variant_count
    478. vec_deque_extract_if
    479. vec_deque_iter_as_slices
    480. vec_deque_truncate_front
    481. vec_fallible_shrink
    482. vec_from_fn
    483. vec_into_chunks
    484. vec_peek_mut
    485. vec_push_within_capacity
    486. vec_recycle
    487. vec_split_at_spare
    488. vec_try_remove
    489. waker_fn
    490. waker_from_fn_ptr
    491. wasi_ext
    492. widening_mul
    493. windows_by_handle
    494. windows_c
    495. windows_change_time
    496. windows_freeze_file_times
    497. windows_handle
    498. windows_net
    499. windows_permissions_ext
    500. windows_process_exit_code_from
    501. windows_process_extensions_async_pipes
    502. windows_process_extensions_force_quotes
    503. windows_process_extensions_inherit_handles
    504. windows_process_extensions_main_thread_handle
    505. windows_process_extensions_raw_attribute
    506. windows_process_extensions_show_window
    507. windows_process_extensions_startupinfo
    508. windows_stdio
    509. windows_unix_domain_sockets
    510. wrapping_int_impl
    511. wrapping_next_power_of_two
    512. write_all_vectored
    513. wtf8_internals
    514. xdg_basedir
    515. yeet_desugar_details