const_eval_address_space_full = there are no more free addresses in the address space const_eval_align_offset_invalid_align = `align_offset` called with non-power-of-two align: {$target_align} const_eval_alignment_check_failed = {$msg -> [AccessedPtr] accessing memory *[other] accessing memory based on pointer } with alignment {$has}, but alignment {$required} is required const_eval_already_reported = an error has already been reported elsewhere (this should not usually be printed) const_eval_assume_false = `assume` called with `false` const_eval_await_non_const = cannot convert `{$ty}` into a future in {const_eval_const_context}s const_eval_bounds_check_failed = indexing out of bounds: the len is {$len} but the index is {$index} const_eval_call_nonzero_intrinsic = `{$name}` called on 0 const_eval_closure_call = closures need an RFC before allowed to be called in {const_eval_const_context}s const_eval_closure_fndef_not_const = function defined here, but it is not `const` const_eval_closure_non_const = cannot call non-const closure in {const_eval_const_context}s const_eval_consider_dereferencing = consider dereferencing here const_eval_const_accesses_mut_global = constant accesses mutable global memory const_eval_const_context = {$kind -> [const] constant [static] static [const_fn] constant function *[other] {""} } const_eval_copy_nonoverlapping_overlapping = `copy_nonoverlapping` called on overlapping ranges const_eval_dangling_int_pointer = {$bad_pointer_message}: {$pointer} is a dangling pointer (it has no provenance) const_eval_dangling_null_pointer = {$bad_pointer_message}: null pointer is a dangling pointer (it has no provenance) const_eval_dangling_ptr_in_final = encountered dangling pointer in final value of {const_eval_intern_kind} const_eval_dead_local = accessing a dead local variable const_eval_dealloc_immutable = deallocating immutable allocation {$alloc} const_eval_dealloc_incorrect_layout = incorrect layout on deallocation: {$alloc} has size {$size} and alignment {$align}, but gave size {$size_found} and alignment {$align_found} const_eval_dealloc_kind_mismatch = deallocating {$alloc}, which is {$alloc_kind} memory, using {$kind} deallocation operation const_eval_deref_coercion_non_const = cannot perform deref coercion on `{$ty}` in {const_eval_const_context}s .note = attempting to deref into `{$target_ty}` .target_note = deref defined here const_eval_deref_function_pointer = accessing {$allocation} which contains a function const_eval_deref_vtable_pointer = accessing {$allocation} which contains a vtable const_eval_different_allocations = `{$name}` called on pointers into different allocations const_eval_division_by_zero = dividing by zero const_eval_division_overflow = overflow in signed division (dividing MIN by -1) const_eval_double_storage_live = StorageLive on a local that was already live const_eval_dyn_call_not_a_method = `dyn` call trying to call something that is not a method const_eval_dyn_call_vtable_mismatch = `dyn` call on a pointer whose vtable does not match its type const_eval_dyn_star_call_vtable_mismatch = `dyn*` call on a pointer whose vtable does not match its type const_eval_error = {$error_kind -> [static] could not evaluate static initializer [const] evaluation of constant value failed [const_with_path] evaluation of `{$instance}` failed *[other] {""} } const_eval_exact_div_has_remainder = exact_div: {$a} cannot be divided by {$b} without remainder const_eval_fn_ptr_call = function pointers need an RFC before allowed to be called in {const_eval_const_context}s const_eval_for_loop_into_iter_non_const = cannot convert `{$ty}` into an iterator in {const_eval_const_context}s const_eval_frame_note = {$times -> [0] {const_eval_frame_note_inner} *[other] [... {$times} additional calls {const_eval_frame_note_inner} ...] } const_eval_frame_note_inner = inside {$where_ -> [closure] closure [instance] `{$instance}` *[other] {""} } const_eval_in_bounds_test = out-of-bounds pointer use const_eval_incompatible_calling_conventions = calling a function with calling convention {$callee_conv} using calling convention {$caller_conv} const_eval_incompatible_return_types = calling a function with return type {$callee_ty} passing return place of type {$caller_ty} const_eval_incompatible_types = calling a function with argument of type {$callee_ty} passing data of type {$caller_ty} const_eval_interior_mutability_borrow = cannot borrow here, since the borrowed element may contain interior mutability const_eval_interior_mutable_data_refer = {const_eval_const_context}s cannot refer to interior mutable data .label = this borrow of an interior mutable value may end up in the final value .help = to fix this, the value can be extracted to a separate `static` item and then referenced .teach_note = A constant containing interior mutable data behind a reference can allow you to modify that data. This would make multiple uses of a constant to be able to see different values and allow circumventing the `Send` and `Sync` requirements for shared mutable data, which is unsound. const_eval_intern_kind = {$kind -> [static] static [static_mut] mutable static [const] constant [promoted] promoted *[other] {""} } const_eval_invalid_align = align has to be a power of 2 const_eval_invalid_align_details = invalid align passed to `{$name}`: {$align} is {$err_kind -> [not_power_of_two] not a power of 2 [too_large] too large *[other] {""} } const_eval_invalid_bool = interpreting an invalid 8-bit value as a bool: 0x{$value} const_eval_invalid_char = interpreting an invalid 32-bit value as a char: 0x{$value} const_eval_invalid_dealloc = deallocating {$alloc_id}, which is {$kind -> [fn] a function [vtable] a vtable [static_mem] static memory *[other] {""} } const_eval_invalid_function_pointer = using {$pointer} as function pointer but it does not point to a function const_eval_invalid_meta = invalid metadata in wide pointer: total size is bigger than largest supported object const_eval_invalid_meta_slice = invalid metadata in wide pointer: slice is bigger than largest supported object const_eval_invalid_str = this string is not valid UTF-8: {$err} const_eval_invalid_tag = enum value has invalid tag: {$tag} const_eval_invalid_transmute = transmuting from {$src_bytes}-byte type to {$dest_bytes}-byte type: `{$src}` -> `{$dest}` const_eval_invalid_uninit_bytes = reading memory at {$alloc}{$access}, but memory is uninitialized at {$uninit}, and this operation requires initialized memory const_eval_invalid_uninit_bytes_unknown = using uninitialized data, but this operation requires initialized memory const_eval_invalid_vtable_pointer = using {$pointer} as vtable pointer but it does not point to a vtable const_eval_live_drop = destructor of `{$dropped_ty}` cannot be evaluated at compile-time .label = the destructor for this type cannot be evaluated in {const_eval_const_context}s .dropped_at_label = value is dropped here const_eval_long_running = constant evaluation is taking a long time .note = this lint makes sure the compiler doesn't get stuck due to infinite loops in const eval. If your compilation actually takes a long time, you can safely allow the lint. .label = the const evaluator is currently interpreting this expression .help = the constant being evaluated const_eval_match_eq_non_const = cannot match on `{$ty}` in {const_eval_const_context}s .note = `{$ty}` cannot be compared in compile-time, and therefore cannot be used in `match`es const_eval_max_num_nodes_in_const = maximum number of nodes exceeded in constant {$global_const_id} const_eval_memory_access_test = memory access failed const_eval_memory_exhausted = tried to allocate more memory than available to compiler const_eval_modified_global = modifying a static's initial value from another static's initializer const_eval_mut_deref = mutation through a reference is not allowed in {const_eval_const_context}s const_eval_mutable_ptr_in_final = encountered mutable pointer in final value of {const_eval_intern_kind} const_eval_non_const_fmt_macro_call = cannot call non-const formatting macro in {const_eval_const_context}s const_eval_non_const_fn_call = cannot call non-const fn `{$def_path_str}` in {const_eval_const_context}s const_eval_non_const_impl = impl defined here, but it is not `const` const_eval_noreturn_asm_returned = returned from noreturn inline assembly const_eval_not_enough_caller_args = calling a function with fewer arguments than it requires const_eval_nullary_intrinsic_fail = could not evaluate nullary intrinsic const_eval_offset_from_overflow = `{$name}` called when first pointer is too far ahead of second const_eval_offset_from_test = out-of-bounds `offset_from` const_eval_offset_from_underflow = `{$name}` called when first pointer is too far before second const_eval_operator_non_const = cannot call non-const operator in {const_eval_const_context}s const_eval_overflow = overflow executing `{$name}` const_eval_overflow_shift = overflowing shift by {$val} in `{$name}` const_eval_panic = the evaluated program panicked at '{$msg}', {$file}:{$line}:{$col} const_eval_panic_non_str = argument to `panic!()` in a const context must have type `&str` const_eval_partial_pointer_copy = unable to copy parts of a pointer from memory at {$ptr} const_eval_partial_pointer_overwrite = unable to overwrite parts of a pointer in memory at {$ptr} const_eval_pointer_arithmetic_overflow = overflowing in-bounds pointer arithmetic const_eval_pointer_arithmetic_test = out-of-bounds pointer arithmetic const_eval_pointer_out_of_bounds = {$bad_pointer_message}: {$alloc_id} has size {$alloc_size}, so pointer to {$ptr_size} {$ptr_size -> [1] byte *[many] bytes } starting at offset {$ptr_offset} is out-of-bounds const_eval_pointer_use_after_free = {$bad_pointer_message}: {$alloc_id} has been freed, so this pointer is dangling const_eval_ptr_as_bytes_1 = this code performed an operation that depends on the underlying bytes representing a pointer const_eval_ptr_as_bytes_2 = the absolute address of a pointer is not known at compile-time, so such operations are not supported const_eval_question_branch_non_const = `?` cannot determine the branch of `{$ty}` in {const_eval_const_context}s const_eval_question_from_residual_non_const = `?` cannot convert from residual of `{$ty}` in {const_eval_const_context}s const_eval_range = in the range {$lo}..={$hi} const_eval_range_lower = greater or equal to {$lo} const_eval_range_singular = equal to {$lo} const_eval_range_upper = less or equal to {$hi} const_eval_range_wrapping = less or equal to {$hi}, or greater or equal to {$lo} const_eval_raw_bytes = the raw bytes of the constant (size: {$size}, align: {$align}) {"{"}{$bytes}{"}"} const_eval_raw_eq_with_provenance = `raw_eq` on bytes with provenance const_eval_raw_ptr_comparison = pointers cannot be reliably compared during const eval .note = see issue #53020 for more information const_eval_raw_ptr_to_int = pointers cannot be cast to integers during const eval .note = at compile-time, pointers do not have an integer value .note2 = avoiding this restriction via `transmute`, `union`, or raw pointers leads to compile-time undefined behavior const_eval_read_extern_static = cannot read from extern static ({$did}) const_eval_read_pointer_as_int = unable to turn pointer into integer const_eval_realloc_or_alloc_with_offset = {$kind -> [dealloc] deallocating [realloc] reallocating *[other] {""} } {$ptr} which does not point to the beginning of an object const_eval_remainder_by_zero = calculating the remainder with a divisor of zero const_eval_remainder_overflow = overflow in signed remainder (dividing MIN by -1) const_eval_scalar_size_mismatch = scalar size mismatch: expected {$target_size} bytes but got {$data_size} bytes instead const_eval_size_overflow = overflow computing total size of `{$name}` const_eval_stack_frame_limit_reached = reached the configured maximum number of stack frames const_eval_thread_local_access = thread-local statics cannot be accessed at compile-time const_eval_thread_local_static = cannot access thread local static ({$did}) const_eval_too_generic = encountered overly generic constant const_eval_too_many_caller_args = calling a function with more arguments than it expected const_eval_transient_mut_borrow = mutable references are not allowed in {const_eval_const_context}s const_eval_transient_mut_raw = raw mutable pointers are not allowed in {const_eval_const_context}s const_eval_try_block_from_output_non_const = `try` block cannot convert `{$ty}` to the result in {const_eval_const_context}s const_eval_unallowed_fn_pointer_call = function pointer calls are not allowed in {const_eval_const_context}s const_eval_unallowed_heap_allocations = allocations are not allowed in {const_eval_const_context}s .label = allocation not allowed in {const_eval_const_context}s .teach_note = The value of statics and constants must be known at compile time, and they live for the entire lifetime of a program. Creating a boxed value allocates memory on the heap at runtime, and therefore cannot be done at compile time. const_eval_unallowed_inline_asm = inline assembly is not allowed in {const_eval_const_context}s const_eval_unallowed_mutable_raw = raw mutable pointers are not allowed in the final value of {const_eval_const_context}s .teach_note = References in statics and constants may only refer to immutable values. Statics are shared everywhere, and if they refer to mutable data one might violate memory safety since holding multiple mutable references to shared data is not allowed. If you really want global mutable state, try using static mut or a global UnsafeCell. const_eval_unallowed_mutable_refs = mutable references are not allowed in the final value of {const_eval_const_context}s .teach_note = Statics are shared everywhere, and if they refer to mutable data one might violate memory safety since holding multiple mutable references to shared data is not allowed. If you really want global mutable state, try using static mut or a global UnsafeCell. const_eval_unallowed_op_in_const_context = {$msg} const_eval_unavailable_target_features_for_fn = calling a function that requires unavailable target features: {$unavailable_feats} const_eval_undefined_behavior = it is undefined behavior to use this value const_eval_undefined_behavior_note = The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. const_eval_uninhabited_enum_variant_read = read discriminant of an uninhabited enum variant const_eval_uninhabited_enum_variant_written = writing discriminant of an uninhabited enum variant const_eval_unreachable = entering unreachable code const_eval_unreachable_unwind = unwinding past a stack frame that does not allow unwinding const_eval_unsigned_offset_from_overflow = `ptr_offset_from_unsigned` called when first pointer has smaller offset than second: {$a_offset} < {$b_offset} const_eval_unsized_local = unsized locals are not supported const_eval_unstable_const_fn = `{$def_path}` is not yet stable as a const fn const_eval_unstable_in_stable = const-stable function cannot use `#[feature({$gate})]` .unstable_sugg = if it is not part of the public API, make this function unstably const .bypass_sugg = otherwise `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks const_eval_unterminated_c_string = reading a null-terminated string starting at {$pointer} with no null found before end of allocation const_eval_unwind_past_top = unwinding past the topmost frame of the stack const_eval_upcast_mismatch = upcast on a pointer whose vtable does not match its type ## The `front_matter`s here refer to either `const_eval_front_matter_invalid_value` or `const_eval_front_matter_invalid_value_with_path`. ## (We'd love to sort this differently to make that more clear but tidy won't let us...) const_eval_validation_box_to_static = {$front_matter}: encountered a box pointing to a static variable in a constant const_eval_validation_box_to_uninhabited = {$front_matter}: encountered a box pointing to uninhabited type {$ty} const_eval_validation_const_ref_to_extern = {$front_matter}: encountered reference to `extern` static in `const` const_eval_validation_const_ref_to_mutable = {$front_matter}: encountered reference to mutable memory in `const` const_eval_validation_dangling_box_no_provenance = {$front_matter}: encountered a dangling box ({$pointer} has no provenance) const_eval_validation_dangling_box_out_of_bounds = {$front_matter}: encountered a dangling box (going beyond the bounds of its allocation) const_eval_validation_dangling_box_use_after_free = {$front_matter}: encountered a dangling box (use-after-free) const_eval_validation_dangling_ref_no_provenance = {$front_matter}: encountered a dangling reference ({$pointer} has no provenance) const_eval_validation_dangling_ref_out_of_bounds = {$front_matter}: encountered a dangling reference (going beyond the bounds of its allocation) const_eval_validation_dangling_ref_use_after_free = {$front_matter}: encountered a dangling reference (use-after-free) const_eval_validation_expected_bool = expected a boolean const_eval_validation_expected_box = expected a box const_eval_validation_expected_char = expected a unicode scalar value const_eval_validation_expected_enum_tag = expected a valid enum tag const_eval_validation_expected_float = expected a floating point number const_eval_validation_expected_fn_ptr = expected a function pointer const_eval_validation_expected_init_scalar = expected initialized scalar value const_eval_validation_expected_int = expected an integer const_eval_validation_expected_raw_ptr = expected a raw pointer const_eval_validation_expected_ref = expected a reference const_eval_validation_expected_str = expected a string const_eval_validation_front_matter_invalid_value = constructing invalid value const_eval_validation_front_matter_invalid_value_with_path = constructing invalid value at {$path} const_eval_validation_invalid_bool = {$front_matter}: encountered {$value}, but expected a boolean const_eval_validation_invalid_box_meta = {$front_matter}: encountered invalid box metadata: total size is bigger than largest supported object const_eval_validation_invalid_box_slice_meta = {$front_matter}: encountered invalid box metadata: slice is bigger than largest supported object const_eval_validation_invalid_char = {$front_matter}: encountered {$value}, but expected a valid unicode scalar value (in `0..=0x10FFFF` but not in `0xD800..=0xDFFF`) const_eval_validation_invalid_enum_tag = {$front_matter}: encountered {$value}, but expected a valid enum tag const_eval_validation_invalid_fn_ptr = {$front_matter}: encountered {$value}, but expected a function pointer const_eval_validation_invalid_ref_meta = {$front_matter}: encountered invalid reference metadata: total size is bigger than largest supported object const_eval_validation_invalid_ref_slice_meta = {$front_matter}: encountered invalid reference metadata: slice is bigger than largest supported object const_eval_validation_invalid_vtable_ptr = {$front_matter}: encountered {$value}, but expected a vtable pointer const_eval_validation_mutable_ref_in_const = {$front_matter}: encountered mutable reference in a `const` or `static` const_eval_validation_mutable_ref_to_immutable = {$front_matter}: encountered mutable reference or box pointing to read-only memory const_eval_validation_never_val = {$front_matter}: encountered a value of the never type `!` const_eval_validation_null_box = {$front_matter}: encountered a null box const_eval_validation_null_fn_ptr = {$front_matter}: encountered a null function pointer const_eval_validation_null_ref = {$front_matter}: encountered a null reference const_eval_validation_nullable_ptr_out_of_range = {$front_matter}: encountered a potentially null pointer, but expected something that cannot possibly fail to be {$in_range} const_eval_validation_out_of_range = {$front_matter}: encountered {$value}, but expected something {$in_range} const_eval_validation_partial_pointer = {$front_matter}: encountered a partial pointer or a mix of pointers const_eval_validation_pointer_as_int = {$front_matter}: encountered a pointer, but {$expected} const_eval_validation_ptr_out_of_range = {$front_matter}: encountered a pointer, but expected something that cannot possibly fail to be {$in_range} const_eval_validation_ref_to_static = {$front_matter}: encountered a reference pointing to a static variable in a constant const_eval_validation_ref_to_uninhabited = {$front_matter}: encountered a reference pointing to uninhabited type {$ty} const_eval_validation_unaligned_box = {$front_matter}: encountered an unaligned box (required {$required_bytes} byte alignment but found {$found_bytes}) const_eval_validation_unaligned_ref = {$front_matter}: encountered an unaligned reference (required {$required_bytes} byte alignment but found {$found_bytes}) const_eval_validation_uninhabited_enum_variant = {$front_matter}: encountered an uninhabited enum variant const_eval_validation_uninhabited_val = {$front_matter}: encountered a value of uninhabited type `{$ty}` const_eval_validation_uninit = {$front_matter}: encountered uninitialized memory, but {$expected} const_eval_validation_unsafe_cell = {$front_matter}: encountered `UnsafeCell` in read-only memory const_eval_write_through_immutable_pointer = writing through a pointer that was derived from a shared (immutable) reference const_eval_write_to_read_only = writing to {$allocation} which is read-only const_eval_zst_pointer_out_of_bounds = {$bad_pointer_message}: {$alloc_id} has size {$alloc_size}, so pointer at offset {$ptr_offset} is out-of-bounds