2023-11-09 16:37:27 +00:00
lint_ambiguous_wide_pointer_comparisons = ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
.addr_metadata_suggestion = use explicit `std::ptr::eq` method to compare metadata and addresses
.addr_suggestion = use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
2022-08-10 07:42:10 +00:00
lint_array_into_iter =
2024-04-17 20:29:30 +00:00
this method call resolves to `<&{$target} as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<{$target} as IntoIterator>::into_iter` in Rust 2021
2022-08-10 07:42:10 +00:00
.use_iter_suggestion = use `.iter()` instead of `.into_iter()` to avoid ambiguity
.remove_into_iter_suggestion = or remove `.into_iter()` to iterate by value
.use_explicit_into_iter_suggestion =
2022-06-27 12:35:31 +00:00
or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
2022-06-27 13:08:02 +00:00
2023-09-29 20:56:49 +00:00
lint_async_fn_in_trait = use of `async fn` in public traits is discouraged as auto trait bounds cannot be specified
2023-10-03 00:51:13 +00:00
.note = you can suppress this lint if you plan to use the trait only in your own code, or do not care about auto traits like `Send` on the `Future`
2023-10-13 19:11:16 +00:00
.suggestion = you can alternatively desugar to a normal `fn` that returns `impl Future` and add any desired bounds such as `Send`, but these cannot be relaxed without a breaking API change
2023-09-26 20:20:21 +00:00
2023-05-23 01:51:25 +00:00
lint_atomic_ordering_fence = memory fences cannot have `Relaxed` ordering
.help = consider using ordering modes `Acquire`, `Release`, `AcqRel` or `SeqCst`
2022-06-27 13:08:02 +00:00
2023-05-23 01:51:25 +00:00
lint_atomic_ordering_invalid = `{$method}`'s failure ordering may not be `Release` or `AcqRel`, since a failed `{$method}` does not result in a write
.label = invalid failure ordering
.help = consider using `Acquire` or `Relaxed` failure ordering instead
2022-06-27 13:15:31 +00:00
2023-05-23 01:51:25 +00:00
lint_atomic_ordering_load = atomic loads cannot have `Release` or `AcqRel` ordering
.help = consider using ordering modes `Acquire`, `SeqCst` or `Relaxed`
2022-06-27 13:40:55 +00:00
2023-05-23 01:51:25 +00:00
lint_atomic_ordering_store = atomic stores cannot have `Acquire` or `AcqRel` ordering
.help = consider using ordering modes `Release`, `SeqCst` or `Relaxed`
2022-11-10 00:34:49 +00:00
2023-05-23 01:51:25 +00:00
lint_bad_attribute_argument = bad attribute argument
2023-02-16 19:04:59 +00:00
2023-05-23 01:51:25 +00:00
lint_bad_opt_access = {$msg}
2022-10-07 10:14:56 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_allow_internal_unsafe =
`allow_internal_unsafe` allows defining macros using unsafe without triggering the `unsafe_code` lint at their call site
2022-10-07 10:14:56 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_anonymous_params = anonymous parameters are deprecated and will be removed in the next edition
.suggestion = try naming the parameter or explicitly ignoring it
2022-10-07 10:14:56 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_asm_labels = avoid using named labels in inline assembly
2022-10-07 10:14:56 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_box_pointers = type uses owned (Box type) pointers: {$ty}
2022-10-05 12:23:00 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_clashing_extern_diff_name = `{$this}` redeclares `{$orig}` with a different signature
.previous_decl_label = `{$orig}` previously declared here
.mismatch_label = this signature doesn't match the previous declaration
2022-10-07 00:28:51 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_clashing_extern_same_name = `{$this}` redeclared with a different signature
.previous_decl_label = `{$orig}` previously declared here
.mismatch_label = this signature doesn't match the previous declaration
lint_builtin_const_no_mangle = const items should never be `#[no_mangle]`
.suggestion = try a static value
2023-04-28 17:17:46 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_decl_unsafe_fn = declaration of an `unsafe` function
lint_builtin_decl_unsafe_method = declaration of an `unsafe` method
lint_builtin_deprecated_attr_default_suggestion = remove this attribute
2022-10-07 00:28:51 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_deprecated_attr_link = use of deprecated attribute `{$name}`: {$reason}. See {$link}
.msg_suggestion = {$msg}
.default_suggestion = remove this attribute
lint_builtin_deprecated_attr_used = use of deprecated attribute `{$name}`: no longer used.
lint_builtin_deref_nullptr = dereferencing a null pointer
.label = this code causes undefined behavior when executed
2022-10-07 00:28:51 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_ellipsis_inclusive_range_patterns = `...` range patterns are deprecated
.suggestion = use `..=` for an inclusive range
2022-10-07 00:28:51 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_explicit_outlives = outlives requirements can be inferred
.suggestion = remove {$count ->
[one] this bound
*[other] these bounds
2022-06-27 13:40:55 +00:00
}
2022-06-27 13:46:45 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_export_name_fn = declaration of a function with `export_name`
lint_builtin_export_name_method = declaration of a method with `export_name`
lint_builtin_export_name_static = declaration of a static with `export_name`
2024-02-19 23:14:53 +00:00
lint_builtin_global_asm = usage of `core::arch::global_asm`
lint_builtin_global_macro_unsafety = using this macro is unsafe even though it does not need an `unsafe` block
2023-05-23 01:51:25 +00:00
lint_builtin_impl_unsafe_method = implementation of an `unsafe` method
2022-06-27 14:00:01 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_incomplete_features = the feature `{$name}` is incomplete and may not be safe to use and/or cause compiler crashes
.note = see issue #{$n} <https://github.com/rust-lang/rust/issues/{$n}> for more information
.help = consider using `min_{$name}` instead, which is more stable and complete
2022-06-27 14:00:01 +00:00
2023-03-09 20:54:53 +00:00
lint_builtin_internal_features = the feature `{$name}` is internal to the compiler or standard library
.note = using it is strongly discouraged
2023-05-23 01:51:25 +00:00
lint_builtin_keyword_idents = `{$kw}` is a keyword in the {$next} edition
.suggestion = you can use a raw identifier to stay compatible
2022-06-27 14:09:24 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_link_section_fn = declaration of a function with `link_section`
2022-06-27 14:18:30 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_link_section_static = declaration of a static with `link_section`
2022-06-27 14:27:41 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_missing_copy_impl = type could implement `Copy`; consider adding `impl Copy`
2022-06-27 14:27:41 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_missing_debug_impl =
type does not implement `{$debug}`; consider adding `#[derive(Debug)]` or a manual implementation
2022-06-27 14:47:27 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_missing_doc = missing documentation for {$article} {$desc}
2023-03-05 03:39:37 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_mutable_transmutes =
transmuting &T to &mut T is undefined behavior, even if the reference is unused, consider instead using an UnsafeCell
2022-10-22 20:32:54 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_no_mangle_fn = declaration of a `no_mangle` function
lint_builtin_no_mangle_generic = functions generic over types or consts must be mangled
.suggestion = remove this attribute
2022-06-27 14:57:35 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_no_mangle_method = declaration of a `no_mangle` method
lint_builtin_no_mangle_static = declaration of a `no_mangle` static
lint_builtin_non_shorthand_field_patterns = the `{$ident}:` in this pattern is redundant
.suggestion = use shorthand field pattern
2022-12-09 02:27:03 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_overridden_symbol_name =
the linker's behavior with multiple libraries exporting duplicate symbol names is undefined and Rust cannot provide guarantees when you manually override them
2022-06-27 14:57:35 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_overridden_symbol_section =
the program's behavior with overridden link sections on items is unpredictable and Rust cannot provide guarantees when you manually override them
2022-06-27 14:57:35 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_special_module_name_used_lib = found module declaration for lib.rs
.note = lib.rs is the root of this crate's library target
.help = to refer to it from other targets, use the library's name as the path
2022-06-27 14:57:35 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_special_module_name_used_main = found module declaration for main.rs
.note = a binary crate cannot be used as library
2022-06-27 15:33:57 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_trivial_bounds = {$predicate_kind_name} bound {$predicate} does not depend on any type or lifetime parameters
2022-06-27 15:33:57 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_type_alias_bounds_help = use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
2022-06-27 15:33:57 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_type_alias_generic_bounds = bounds on generic parameters are not enforced in type aliases
.suggestion = the bound will not be checked when the type alias is used, and should be removed
2022-06-27 15:46:25 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_type_alias_where_clause = where clauses are not enforced in type aliases
.suggestion = the clause will not be checked when the type alias is used, and should be removed
2022-06-27 15:46:25 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unpermitted_type_init_label = this code causes undefined behavior when executed
lint_builtin_unpermitted_type_init_label_suggestion = help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
2022-06-27 16:02:46 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unpermitted_type_init_uninit = the type `{$ty}` does not permit being left uninitialized
2022-06-27 16:11:53 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unpermitted_type_init_zeroed = the type `{$ty}` does not permit zero-initialization
lint_builtin_unreachable_pub = unreachable `pub` {$what}
.suggestion = consider restricting its visibility
.help = or consider exporting it for use by other crates
2022-06-27 16:11:53 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unsafe_block = usage of an `unsafe` block
2022-06-27 16:42:47 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unsafe_impl = implementation of an `unsafe` trait
2023-03-24 17:00:49 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unsafe_trait = declaration of an `unsafe` trait
2023-03-24 17:00:49 +00:00
2023-12-05 07:56:30 +00:00
lint_builtin_unstable_features = use of an unstable feature
2022-06-27 16:42:47 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_unused_doc_comment = unused doc comment
.label = rustdoc does not generate documentation for {$kind}
.plain_help = use `//` for a plain comment
.block_help = use `/* */` for a plain comment
2022-06-27 16:42:47 +00:00
2023-05-23 01:51:25 +00:00
lint_builtin_while_true = denote infinite loops with `loop {"{"} ... {"}"}`
.suggestion = use `loop`
2022-06-27 16:42:47 +00:00
2023-05-23 01:51:25 +00:00
lint_check_name_unknown_tool = unknown lint tool: `{$tool_name}`
2022-06-27 16:42:47 +00:00
2023-05-23 01:51:25 +00:00
lint_command_line_source = `forbid` lint level was set on command line
2022-06-28 08:41:49 +00:00
2023-08-04 16:46:08 +00:00
lint_confusable_identifier_pair = found both `{$existing_sym}` and `{$sym}` as identifiers, which look alike
.current_use = this identifier can be confused with `{$existing_sym}`
.other_use = other identifier used here
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_cstring_ptr = getting the inner pointer of a temporary `CString`
.as_ptr_label = this pointer will be invalid
.unwrap_label = this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
.note = pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
.help = for more information, see https://doc.rust-lang.org/reference/destructors.html
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_default_hash_types = prefer `{$preferred}` over `{$used}`, it has better performance
.note = a `use rustc_data_structures::fx::{$preferred}` may be necessary
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_default_source = `forbid` lint level is the default for {$id}
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_deprecated_lint_name =
lint name `{$name}` is deprecated and may not have an effect in the future.
.suggestion = change it to
2023-08-28 19:28:51 +00:00
.help = change it to {$replace}
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_diag_out_of_impl =
2024-03-08 01:03:51 +00:00
diagnostics should only be created in `Diagnostic`/`Subdiagnostic`/`LintDiagnostic` impls
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_drop_glue =
types that do not implement `Drop` can still have drop glue, consider instead using `{$needs_drop}` to detect whether a type is trivially dropped
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_drop_trait_constraints =
bounds on `{$predicate}` are most likely incorrect, consider instead using `{$needs_drop}` to detect whether a type can be trivially dropped
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_dropping_copy_types = calls to `std::mem::drop` with a value that implements `Copy` does nothing
.label = argument has type `{$arg_ty}`
.note = use `let _ = ...` to ignore the expression or result
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_dropping_references = calls to `std::mem::drop` with a reference instead of an owned value does nothing
.label = argument has type `{$arg_ty}`
.note = use `let _ = ...` to ignore the expression or result
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_enum_intrinsics_mem_discriminant =
the return value of `mem::discriminant` is unspecified when called with a non-enum type
.note = the argument to `discriminant` should be a reference to an enum, but it was passed a reference to a `{$ty_param}`, which is not an enum.
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_enum_intrinsics_mem_variant =
the return value of `mem::variant_count` is unspecified when called with a non-enum type
.note = the type parameter of `variant_count` should be an enum, but it was instantiated with the type `{$ty_param}`, which is not an enum.
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_expectation = this lint expectation is unfulfilled
.note = the `unfulfilled_lint_expectations` lint can't be expected and will always produce this message
.rationale = {$rationale}
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_for_loops_over_fallibles =
for loop over {$article} `{$ty}`. This is more readably written as an `if let` statement
.suggestion = consider using `if let` to clear intent
.remove_next = to iterate over `{$recv_snip}` remove the call to `next`
.use_while_let = to check pattern in a loop use `while let`
.use_question_mark = consider unwrapping the `Result` with `?` to iterate over its contents
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_forgetting_copy_types = calls to `std::mem::forget` with a value that implements `Copy` does nothing
.label = argument has type `{$arg_ty}`
.note = use `let _ = ...` to ignore the expression or result
lint_forgetting_references = calls to `std::mem::forget` with a reference instead of an owned value does nothing
.label = argument has type `{$arg_ty}`
.note = use `let _ = ...` to ignore the expression or result
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_hidden_unicode_codepoints = unicode codepoint changing visible direction of text present in {$label}
.label = this {$label} contains {$count ->
[one] an invisible
*[other] invisible
} unicode text flow control {$count ->
[one] codepoint
*[other] codepoints
}
.note = these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen
.suggestion_remove = if their presence wasn't intentional, you can remove them
.suggestion_escape = if you want to keep them but make them visible in your source code, you can escape them
.no_suggestion_note_escape = if you want to keep them but make them visible in your source code, you can escape them: {$escaped}
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_identifier_non_ascii_char = identifier contains non-ASCII characters
2022-06-28 08:41:49 +00:00
2024-01-23 13:17:06 +00:00
lint_identifier_uncommon_codepoints = identifier contains {$codepoints_len ->
2024-02-09 10:26:30 +00:00
[one] { $identifier_type ->
[Exclusion] a character from an archaic script
[Technical] a character that is for non-linguistic, specialized usage
[Limited_Use] a character from a script in limited use
[Not_NFKC] a non normalized (NFKC) character
*[other] an uncommon character
}
*[other] { $identifier_type ->
[Exclusion] {$codepoints_len} characters from archaic scripts
[Technical] {$codepoints_len} characters that are for non-linguistic, specialized usage
[Limited_Use] {$codepoints_len} characters from scripts in limited use
[Not_NFKC] {$codepoints_len} non normalized (NFKC) characters
*[other] uncommon characters
}
2024-01-23 13:16:24 +00:00
}: {$codepoints}
2024-02-09 10:26:30 +00:00
.note = {$codepoints_len ->
[one] this character is
*[other] these characters are
} included in the{$identifier_type ->
[Restricted] {""}
*[other] {" "}{$identifier_type}
} Unicode general security profile
2022-06-28 08:41:49 +00:00
2023-05-23 01:51:25 +00:00
lint_ignored_unless_crate_specified = {$level}({$name}) is ignored unless specified at crate level
2022-06-28 08:41:49 +00:00
2024-04-20 15:22:06 +00:00
lint_impl_trait_overcaptures = `{$self_ty}` will capture more lifetimes than possibly intended in edition 2024
.note = specifically, {$num_captured ->
[one] this lifetime is
*[other] these lifetimes are
} in scope but not mentioned in the type's bounds
.note2 = all lifetimes in scope will be captured by `impl Trait`s in edition 2024
.suggestion = use the precise capturing `use<...>` syntax to make the captures explicit
lint_impl_trait_redundant_captures = all possible in-scope parameters are already captured, so `use<...>` syntax is redundant
.suggestion = remove the `use<...>` syntax
2023-05-23 01:51:25 +00:00
lint_improper_ctypes = `extern` {$desc} uses type `{$ty}`, which is not FFI-safe
.label = not FFI-safe
.note = the type is defined here
2022-06-28 08:52:05 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_128bit = 128-bit integers don't currently have a known stable ABI
2022-06-28 08:59:30 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_array_help = consider passing a pointer to the array
2022-06-28 08:59:30 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_array_reason = passing raw arrays by value is not FFI-safe
lint_improper_ctypes_box = box cannot be represented as a single pointer
2022-06-28 08:59:30 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_char_help = consider using `u32` or `libc::wchar_t` instead
2022-06-28 08:59:30 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_char_reason = the `char` type has no C equivalent
lint_improper_ctypes_dyn = trait objects have no C equivalent
2022-06-28 08:59:30 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_enum_repr_help =
consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
2022-06-28 09:14:10 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_enum_repr_reason = enum has no representation hint
lint_improper_ctypes_fnptr_help = consider using an `extern fn(...) -> ...` function pointer instead
2022-06-28 09:14:10 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_fnptr_reason = this function pointer has Rust-specific calling convention
lint_improper_ctypes_non_exhaustive = this enum is non-exhaustive
lint_improper_ctypes_non_exhaustive_variant = this enum has non-exhaustive variants
2022-06-28 09:14:10 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_only_phantomdata = composed only of `PhantomData`
2022-06-28 09:19:11 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_opaque = opaque types have no C equivalent
2022-06-28 09:19:11 +00:00
2023-02-02 13:57:36 +00:00
lint_improper_ctypes_pat_help = consider using the base type instead
lint_improper_ctypes_pat_reason = pattern types have no C equivalent
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_slice_help = consider using a raw pointer instead
2022-06-28 09:28:57 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_slice_reason = slices have no C equivalent
lint_improper_ctypes_str_help = consider using `*const u8` and a length instead
2022-06-28 09:32:57 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_str_reason = string slices have no C equivalent
lint_improper_ctypes_struct_fieldless_help = consider adding a member to this struct
2022-06-28 09:43:38 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_struct_fieldless_reason = this struct has no fields
lint_improper_ctypes_struct_layout_help = consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
2022-06-28 09:55:42 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_struct_layout_reason = this struct has unspecified layout
lint_improper_ctypes_struct_non_exhaustive = this struct is non-exhaustive
lint_improper_ctypes_struct_zst = this struct contains only zero-sized fields
2022-06-28 09:56:01 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_tuple_help = consider using a struct instead
2022-06-28 09:56:18 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_tuple_reason = tuples have unspecified layout
lint_improper_ctypes_union_fieldless_help = consider adding a member to this union
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_union_fieldless_reason = this union has no fields
lint_improper_ctypes_union_layout_help = consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this union
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_improper_ctypes_union_layout_reason = this union has unspecified layout
lint_improper_ctypes_union_non_exhaustive = this union is non-exhaustive
2022-06-28 09:57:05 +00:00
2023-05-13 16:33:19 +00:00
# FIXME: we should ordinalize $valid_up_to when we add support for doing so
lint_invalid_from_utf8_checked = calls to `{$method}` with a invalid literal always return an error
.label = the literal was valid UTF-8 up to the {$valid_up_to} bytes
2023-05-13 15:12:45 +00:00
# FIXME: we should ordinalize $valid_up_to when we add support for doing so
lint_invalid_from_utf8_unchecked = calls to `{$method}` with a invalid literal are undefined behavior
.label = the literal was valid UTF-8 up to the {$valid_up_to} bytes
2023-05-20 21:05:09 +00:00
lint_invalid_nan_comparisons_eq_ne = incorrect NaN comparison, NaN cannot be directly compared to itself
.suggestion = use `f32::is_nan()` or `f64::is_nan()` instead
lint_invalid_nan_comparisons_lt_le_gt_ge = incorrect NaN comparison, NaN is not orderable
2023-07-14 20:25:47 +00:00
lint_invalid_reference_casting_assign_to_ref = assigning to `&T` is undefined behavior, consider using an `UnsafeCell`
.label = casting happend here
2023-12-13 13:40:19 +00:00
lint_invalid_reference_casting_bigger_layout = casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
.label = casting happend here
.alloc = backing allocation comes from here
.layout = casting from `{$from_ty}` ({$from_size} bytes) to `{$to_ty}` ({$to_size} bytes)
2023-07-14 20:25:47 +00:00
lint_invalid_reference_casting_borrow_as_mut = casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
2023-07-14 20:10:14 +00:00
.label = casting happend here
2023-07-06 19:45:24 +00:00
2023-08-22 15:17:44 +00:00
lint_invalid_reference_casting_note_book = for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
2023-10-04 14:03:39 +00:00
lint_invalid_reference_casting_note_ty_has_interior_mutability = even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get`
2023-05-23 01:51:25 +00:00
lint_lintpass_by_hand = implementing `LintPass` by hand
.help = try using `declare_lint_pass!` or `impl_lint_pass!` instead
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_malformed_attribute = malformed lint attribute input
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_map_unit_fn = `Iterator::map` call that discard the iterator's values
.note = `Iterator::map`, like many of the methods on `Iterator`, gets executed lazily, meaning that its effects won't be visible until it is iterated
.function_label = this function returns `()`, which is likely not what you wanted
.argument_label = called `Iterator::map` with callable that returns `()`
.map_label = after this call to map, the resulting iterator is `impl Iterator<Item = ()>`, which means the only information carried by the iterator is the number of items
.suggestion = you might have meant to use `Iterator::for_each`
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_mixed_script_confusables =
the usage of Script Group `{$set}` in this crate consists solely of mixed script confusables
.includes_note = the usage includes {$includes}
.note = please recheck to make sure their usages are indeed what you want
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_multiple_supertrait_upcastable = `{$ident}` is object-safe and has multiple supertraits
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_node_source = `forbid` level set here
.note = {$reason}
2022-06-28 09:57:05 +00:00
2024-01-07 19:37:51 +00:00
lint_non_binding_let_multi_drop_fn =
consider immediately dropping the value using `drop(..)` after the `let` statement
2023-05-23 01:51:25 +00:00
lint_non_binding_let_multi_suggestion =
consider immediately dropping the value
2022-06-28 09:57:05 +00:00
2023-05-23 01:51:25 +00:00
lint_non_binding_let_on_drop_type =
non-binding let on a type that implements `Drop`
2022-06-28 09:57:19 +00:00
2023-05-23 01:51:25 +00:00
lint_non_binding_let_on_sync_lock =
non-binding let on a synchronization lock
2022-06-28 10:23:11 +00:00
2023-05-23 01:51:25 +00:00
lint_non_binding_let_suggestion =
consider binding to an unused variable to avoid immediately dropping the value
2022-06-28 10:27:26 +00:00
2023-05-23 01:51:25 +00:00
lint_non_camel_case_type = {$sort} `{$name}` should have an upper camel case name
.suggestion = convert the identifier to upper camel case
.label = should have an UpperCamelCase name
2022-06-28 10:31:44 +00:00
2023-05-23 01:51:25 +00:00
lint_non_existent_doc_keyword = found non-existing keyword `{$keyword}` used in `#[doc(keyword = "...")]`
.help = only existing keywords are allowed in core/std
2022-06-28 10:51:15 +00:00
2023-05-23 01:51:25 +00:00
lint_non_fmt_panic = panic message is not a string literal
.note = this usage of `{$name}!()` is deprecated; it will be a hard error in Rust 2021
.more_info_note = for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
.supports_fmt_note = the `{$name}!()` macro supports formatting, so there's no need for the `format!()` macro here
.supports_fmt_suggestion = remove the `format!(..)` macro call
.display_suggestion = add a "{"{"}{"}"}" format string to `Display` the message
.debug_suggestion =
add a "{"{"}:?{"}"}" format string to use the `Debug` implementation of `{$ty}`
.panic_suggestion = {$already_suggested ->
[true] or use
*[false] use
} std::panic::panic_any instead
2022-06-28 12:35:33 +00:00
2023-05-23 01:51:25 +00:00
lint_non_fmt_panic_braces =
panic message contains {$count ->
[one] a brace
*[other] braces
}
.note = this message is not used as a format string, but will be in Rust 2021
.suggestion = add a "{"{"}{"}"}" format string to use the message literally
2022-06-28 12:40:59 +00:00
2023-05-23 01:51:25 +00:00
lint_non_fmt_panic_unused =
panic message contains {$count ->
[one] an unused
*[other] unused
} formatting {$count ->
[one] placeholder
*[other] placeholders
}
.note = this message is not used as a format string when given without arguments, but will be in Rust 2021
.add_args_suggestion = add the missing {$count ->
[one] argument
*[other] arguments
}
.add_fmt_suggestion = or add a "{"{"}{"}"}" format string to use the message literally
2022-06-28 12:40:59 +00:00
2024-02-15 19:33:30 +00:00
lint_non_local_definitions_cargo_update = the {$macro_kind} `{$macro_name}` may come from an old version of the `{$crate_name}` crate, try updating your dependency with `cargo update -p {$crate_name}`
2024-01-26 14:25:18 +00:00
lint_non_local_definitions_deprecation = this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
lint_non_local_definitions_impl = non-local `impl` definition, they should be avoided as they go against expectation
.help =
move this `impl` block outside the of the current {$body_kind_descr} {$depth ->
[one] `{$body_name}`
*[other] `{$body_name}` and up {$depth} bodies
}
2024-03-22 17:44:22 +00:00
.non_local = an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
2024-01-26 14:25:18 +00:00
.exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type
2024-02-15 19:30:16 +00:00
.const_anon = use a const-anon item to suppress this lint
2024-01-26 14:25:18 +00:00
lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, they should be avoided as they go against expectation
.help =
remove the `#[macro_export]` or move this `macro_rules!` outside the of the current {$body_kind_descr} {$depth ->
[one] `{$body_name}`
*[other] `{$body_name}` and up {$depth} bodies
}
2024-04-30 20:40:19 +00:00
.help_doctest =
remove the `#[macro_export]` or make this doc-test a standalone test with its own `fn main() {"{"} ... {"}"}`
2024-01-26 14:25:18 +00:00
.non_local = a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute
.exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module
2023-05-23 01:51:25 +00:00
lint_non_snake_case = {$sort} `{$name}` should have a snake case name
.rename_or_convert_suggestion = rename the identifier or convert it to a snake case raw identifier
.cannot_convert_note = `{$sc}` cannot be used as a raw identifier
.rename_suggestion = rename the identifier
.convert_suggestion = convert the identifier to snake case
.help = convert the identifier to snake case: `{$sc}`
.label = should have a snake_case name
2022-06-28 12:45:49 +00:00
2023-05-23 01:51:25 +00:00
lint_non_upper_case_global = {$sort} `{$name}` should have an upper case name
.suggestion = convert the identifier to upper case
.label = should have an UPPER_CASE name
2022-06-28 12:50:44 +00:00
2023-05-23 01:51:25 +00:00
lint_noop_method_call = call to `.{$method}()` on a reference in this situation does nothing
2023-07-23 09:56:56 +00:00
.suggestion = remove this redundant call
2023-05-25 05:21:44 +00:00
.note = the type `{$orig_ty}` does not implement `{$trait_}`, so calling `{$method}` on `&{$orig_ty}` copies the reference, which does not do anything and can be removed
2024-02-22 18:01:12 +00:00
.derive_suggestion = if you meant to clone `{$orig_ty}`, implement `Clone` for it
2022-06-28 12:55:12 +00:00
2023-05-23 01:51:25 +00:00
lint_only_cast_u8_to_char = only `u8` can be cast into `char`
.suggestion = use a `char` literal instead
2022-11-22 21:15:27 +00:00
2023-05-23 01:51:25 +00:00
lint_opaque_hidden_inferred_bound = opaque type `{$ty}` does not satisfy its associated type bounds
.specifically = this associated type bound is unsatisfied for `{$proj_ty}`
2022-06-28 13:04:42 +00:00
2023-05-23 01:51:25 +00:00
lint_opaque_hidden_inferred_bound_sugg = add this bound
2022-08-11 17:50:48 +00:00
2023-05-23 01:51:25 +00:00
lint_overflowing_bin_hex = literal out of range for `{$ty}`
.negative_note = the literal `{$lit}` (decimal `{$dec}`) does not fit into the type `{$ty}`
.negative_becomes_note = and the value `-{$lit}` will become `{$actually}{$ty}`
.positive_note = the literal `{$lit}` (decimal `{$dec}`) does not fit into the type `{$ty}` and will become `{$actually}{$ty}`
.suggestion = consider using the type `{$suggestion_ty}` instead
2023-05-04 17:29:11 +00:00
.sign_bit_suggestion = to use as a negative number (decimal `{$negative_val}`), consider using the type `{$uint_ty}` for the literal and cast it to `{$int_ty}`
2023-05-23 01:51:25 +00:00
.help = consider using the type `{$suggestion_ty}` instead
2022-08-11 17:50:48 +00:00
2023-05-23 01:51:25 +00:00
lint_overflowing_int = literal out of range for `{$ty}`
.note = the literal `{$lit}` does not fit into the type `{$ty}` whose range is `{$min}..={$max}`
.help = consider using the type `{$suggestion_ty}` instead
2022-06-28 13:04:42 +00:00
2023-05-23 01:51:25 +00:00
lint_overflowing_literal = literal out of range for `{$ty}`
.note = the literal `{$lit}` does not fit into the type `{$ty}` and will be converted to `{$ty}::INFINITY`
2022-06-28 13:04:42 +00:00
2023-05-23 01:51:25 +00:00
lint_overflowing_uint = literal out of range for `{$ty}`
.note = the literal `{$lit}` does not fit into the type `{$ty}` whose range is `{$min}..={$max}`
2022-06-28 13:09:25 +00:00
2023-05-23 01:51:25 +00:00
lint_overruled_attribute = {$lint_level}({$lint_source}) incompatible with previous forbid
.label = overruled by previous forbid
2022-06-28 13:16:03 +00:00
2023-05-23 01:51:25 +00:00
lint_pass_by_value = passing `{$ty}` by reference
.suggestion = try passing by value
2022-06-28 13:20:10 +00:00
2023-05-23 01:51:25 +00:00
lint_path_statement_drop = path statement drops value
.suggestion = use `drop` to clarify the intent
2022-06-28 13:28:02 +00:00
2023-05-23 01:51:25 +00:00
lint_path_statement_no_effect = path statement with no effect
2022-06-28 13:32:38 +00:00
2023-07-13 10:01:13 +00:00
lint_ptr_null_checks_fn_ptr = function pointers are not nullable, so checking them for null will always return false
.help = wrap the function pointer inside an `Option` and use `Option::is_none` to check for null pointer value
2023-08-03 08:57:11 +00:00
.label = expression has type `{$orig_ty}`
2023-07-13 10:01:13 +00:00
2023-08-05 23:25:24 +00:00
lint_ptr_null_checks_fn_ret = returned pointer of `{$fn_name}` call is never null, so checking it for null will always return false
2023-07-13 10:01:13 +00:00
lint_ptr_null_checks_ref = references are not nullable, so checking them for null will always return false
.label = expression has type `{$orig_ty}`
2023-05-23 01:51:25 +00:00
lint_query_instability = using `{$query}` can result in unstable query results
.note = if you believe this case to be fine, allow this lint and add a comment explaining your rationale
2022-06-28 13:40:11 +00:00
2023-05-23 01:51:25 +00:00
lint_range_endpoint_out_of_range = range endpoint is out of range for `{$ty}`
2022-06-28 14:08:34 +00:00
2023-05-23 01:51:25 +00:00
lint_range_use_inclusive_range = use an inclusive range instead
2022-11-13 14:46:31 +00:00
2023-05-23 01:51:25 +00:00
lint_reason_must_be_string_literal = reason must be a string literal
2022-06-28 14:12:35 +00:00
2023-05-23 01:51:25 +00:00
lint_reason_must_come_last = reason in lint attribute must come last
2022-06-28 14:16:49 +00:00
2023-05-23 01:51:25 +00:00
lint_redundant_semicolons =
unnecessary trailing {$multiple ->
[true] semicolons
*[false] semicolon
}
.suggestion = remove {$multiple ->
[true] these semicolons
*[false] this semicolon
}
2022-08-19 19:50:38 +00:00
2023-08-23 22:53:37 +00:00
lint_removed_lint = lint `{$name}` has been removed: {$reason}
lint_renamed_lint = lint `{$name}` has been renamed to `{$replace}`
2023-05-23 01:51:25 +00:00
.suggestion = use the new name
2023-08-23 22:53:37 +00:00
.help = use the new name `{$replace}`
2022-10-23 01:50:44 +00:00
2023-05-23 01:51:25 +00:00
lint_requested_level = requested on the command line with `{$level} {$lint_name}`
2022-10-23 01:50:44 +00:00
2023-10-16 08:05:11 +00:00
lint_span_use_eq_ctxt = use `.eq_ctxt()` instead of `.ctxt() == .ctxt()`
2023-09-25 07:15:00 +00:00
2023-11-21 12:58:01 +00:00
lint_supertrait_as_deref_target = this `Deref` implementation is covered by an implicit supertrait coercion
2023-11-18 19:29:39 +00:00
.label = `{$self_ty}` implements `Deref<Target = dyn {$target_principal}>` which conflicts with supertrait `{$supertrait_principal}`
.label2 = target type is a supertrait of `{$self_ty}`
2023-11-21 12:58:01 +00:00
.help = consider removing this implementation or replacing it with a method instead
2022-11-25 01:03:06 +00:00
2023-06-11 08:18:56 +00:00
lint_suspicious_double_ref_clone =
using `.clone()` on a double reference, which returns `{$ty}` instead of cloning the inner type
lint_suspicious_double_ref_deref =
using `.deref()` on a double reference, which returns `{$ty}` instead of dereferencing the inner type
2022-08-20 00:47:05 +00:00
2023-05-23 01:51:25 +00:00
lint_ty_qualified = usage of qualified `ty::{$ty}`
.suggestion = try importing it and using it unqualified
2022-08-20 00:47:05 +00:00
2023-05-23 01:51:25 +00:00
lint_tykind = usage of `ty::TyKind`
.help = try using `Ty` instead
2022-08-20 00:47:05 +00:00
2023-05-23 01:51:25 +00:00
lint_tykind_kind = usage of `ty::TyKind::<kind>`
.suggestion = try using `ty::<kind>` directly
2022-08-19 21:17:14 +00:00
2023-05-12 17:30:15 +00:00
lint_undropped_manually_drops = calls to `std::mem::drop` with `std::mem::ManuallyDrop` instead of the inner value does nothing
.label = argument has type `{$arg_ty}`
.suggestion = use `std::mem::ManuallyDrop::into_inner` to get the inner value
2023-05-23 01:51:25 +00:00
lint_ungated_async_fn_track_caller = `#[track_caller]` on async functions is a no-op
.label = this function will not propagate the caller location
2022-08-19 21:17:14 +00:00
2023-06-13 16:19:09 +00:00
lint_unit_bindings = binding has unit type `()`
.label = this pattern is inferred to be the unit type `()`
2023-05-23 01:51:25 +00:00
lint_unknown_gated_lint =
unknown lint: `{$name}`
.note = the `{$name}` lint is unstable
2022-08-19 21:17:14 +00:00
2023-05-23 01:51:25 +00:00
lint_unknown_lint =
unknown lint: `{$name}`
2024-01-10 16:24:46 +00:00
.suggestion = {$from_rustc ->
[true] a lint with a similar name exists in `rustc` lints
*[false] did you mean
}
.help = {$from_rustc ->
[true] a lint with a similar name exists in `rustc` lints: `{$replace}`
*[false] did you mean: `{$replace}`
}
2022-08-19 21:17:14 +00:00
2022-08-20 16:30:49 +00:00
lint_unknown_tool_in_scoped_lint = unknown tool name `{$tool_name}` found in scoped lint: `{$tool_name}::{$lint_name}`
2022-08-19 19:50:38 +00:00
.help = add `#![register_tool({$tool_name})]` to the crate root
2022-08-20 19:48:03 +00:00
lint_unsupported_group = `{$lint_group}` lint group is not supported with ´ --force-warn´
2023-05-23 01:51:25 +00:00
lint_untranslatable_diag = diagnostics should be created using translatable messages
2022-08-20 19:48:03 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_allocation = unnecessary allocation, use `&` instead
lint_unused_allocation_mut = unnecessary allocation, use `&mut` instead
2022-08-20 19:48:03 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_closure =
unused {$pre}{$count ->
[one] closure
*[other] closures
}{$post} that must be used
.note = closures are lazy and do nothing unless called
2022-08-20 19:48:03 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_comparisons = comparison is useless due to type limits
2022-08-20 19:48:03 +00:00
2023-10-19 21:46:28 +00:00
lint_unused_coroutine =
unused {$pre}{$count ->
[one] coroutine
*[other] coroutine
}{$post} that must be used
.note = coroutines are lazy and do nothing unless resumed
2023-05-23 01:51:25 +00:00
lint_unused_def = unused {$pre}`{$def}`{$post} that must be used
.suggestion = use `let _ = ...` to ignore the resulting value
2022-10-02 04:45:54 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_delim = unnecessary {$delim} around {$item}
.suggestion = remove these {$delim}
2022-10-05 19:46:40 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_import_braces = braces around {$node} is unnecessary
2023-03-27 18:59:59 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_op = unused {$op} that must be used
.label = the {$op} produces a value
.suggestion = use `let _ = ...` to ignore the resulting value
2023-03-28 16:31:21 +00:00
2023-05-23 01:51:25 +00:00
lint_unused_result = unused result of type `{$ty}`
2023-03-28 16:47:37 +00:00
2023-05-23 01:51:25 +00:00
lint_variant_size_differences =
enum variant is more than three times larger ({$largest} bytes) than the next largest