diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
index 96af090bccd..ea21c966090 100644
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -55,9 +55,7 @@ use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::sorted_map::SortedMap;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::sync::Lrc;
-use rustc_errors::{
- DiagnosticArgFromDisplay, DiagnosticMessage, Handler, StashKey, SubdiagnosticMessage,
-};
+use rustc_errors::{DiagnosticArgFromDisplay, Handler, StashKey};
use rustc_fluent_macro::fluent_messages;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res};
diff --git a/compiler/rustc_ast_passes/src/lib.rs b/compiler/rustc_ast_passes/src/lib.rs
index 6187258a950..55cdc939d27 100644
--- a/compiler/rustc_ast_passes/src/lib.rs
+++ b/compiler/rustc_ast_passes/src/lib.rs
@@ -15,7 +15,6 @@
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
pub mod ast_validation;
diff --git a/compiler/rustc_attr/src/lib.rs b/compiler/rustc_attr/src/lib.rs
index 5da5a3cb342..d60b8c19e17 100644
--- a/compiler/rustc_attr/src/lib.rs
+++ b/compiler/rustc_attr/src/lib.rs
@@ -14,7 +14,6 @@
#[macro_use]
extern crate rustc_macros;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
mod builtin;
diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs
index 804060d00ed..ae7ea5fd098 100644
--- a/compiler/rustc_borrowck/src/lib.rs
+++ b/compiler/rustc_borrowck/src/lib.rs
@@ -22,7 +22,7 @@ extern crate tracing;
use rustc_data_structures::fx::{FxIndexMap, FxIndexSet};
use rustc_data_structures::graph::dominators::Dominators;
-use rustc_errors::{Diagnostic, DiagnosticBuilder, DiagnosticMessage, SubdiagnosticMessage};
+use rustc_errors::{Diagnostic, DiagnosticBuilder};
use rustc_fluent_macro::fluent_messages;
use rustc_hir as hir;
use rustc_hir::def_id::LocalDefId;
diff --git a/compiler/rustc_builtin_macros/src/lib.rs b/compiler/rustc_builtin_macros/src/lib.rs
index ae097dec8f1..c61f26ca07b 100644
--- a/compiler/rustc_builtin_macros/src/lib.rs
+++ b/compiler/rustc_builtin_macros/src/lib.rs
@@ -23,7 +23,6 @@ extern crate tracing;
use crate::deriving::*;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_expand::base::{MacroExpanderFn, ResolverExpand, SyntaxExtensionKind};
use rustc_expand::proc_macro::BangProcMacro;
use rustc_fluent_macro::fluent_messages;
diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs
index 8c7bae0c886..dcf7a4124c2 100644
--- a/compiler/rustc_codegen_gcc/src/lib.rs
+++ b/compiler/rustc_codegen_gcc/src/lib.rs
@@ -101,7 +101,7 @@ use rustc_codegen_ssa::target_features::supported_target_features;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::sync::IntoDynSyncSend;
use rustc_codegen_ssa::traits::{CodegenBackend, ExtraBackendMethods, ThinBufferMethods, WriteBackendMethods};
-use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, Handler, SubdiagnosticMessage};
+use rustc_errors::{ErrorGuaranteed, Handler};
use rustc_fluent_macro::fluent_messages;
use rustc_metadata::EncodedMetadata;
use rustc_middle::dep_graph::{WorkProduct, WorkProductId};
diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs
index 8d809648aca..fac5c551c73 100644
--- a/compiler/rustc_codegen_llvm/src/lib.rs
+++ b/compiler/rustc_codegen_llvm/src/lib.rs
@@ -40,7 +40,7 @@ use rustc_codegen_ssa::traits::*;
use rustc_codegen_ssa::ModuleCodegen;
use rustc_codegen_ssa::{CodegenResults, CompiledModule};
use rustc_data_structures::fx::FxIndexMap;
-use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, FatalError, Handler, SubdiagnosticMessage};
+use rustc_errors::{ErrorGuaranteed, FatalError, Handler};
use rustc_fluent_macro::fluent_messages;
use rustc_metadata::EncodedMetadata;
use rustc_middle::dep_graph::{WorkProduct, WorkProductId};
diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs
index 8a82a37df9c..0d0babe365d 100644
--- a/compiler/rustc_codegen_ssa/src/lib.rs
+++ b/compiler/rustc_codegen_ssa/src/lib.rs
@@ -27,7 +27,6 @@ extern crate rustc_middle;
use rustc_ast as ast;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::sync::Lrc;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_hir::def_id::CrateNum;
use rustc_middle::dep_graph::WorkProduct;
diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs
index 26ff757ca59..2997e5f7676 100644
--- a/compiler/rustc_const_eval/src/lib.rs
+++ b/compiler/rustc_const_eval/src/lib.rs
@@ -39,7 +39,6 @@ pub mod util;
pub use errors::ReportErrorExt;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_middle::{ty, util::Providers};
diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs
index db77fe847d0..bf78dbd6583 100644
--- a/compiler/rustc_driver_impl/src/lib.rs
+++ b/compiler/rustc_driver_impl/src/lib.rs
@@ -28,7 +28,7 @@ use rustc_data_structures::profiling::{
use rustc_data_structures::sync::SeqCst;
use rustc_errors::registry::{InvalidErrorCode, Registry};
use rustc_errors::{markdown, ColorConfig};
-use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, Handler, PResult, SubdiagnosticMessage};
+use rustc_errors::{ErrorGuaranteed, Handler, PResult};
use rustc_feature::find_gated_cfg;
use rustc_fluent_macro::fluent_messages;
use rustc_interface::util::{self, collect_crate_types, get_codegen_backend};
diff --git a/compiler/rustc_expand/src/lib.rs b/compiler/rustc_expand/src/lib.rs
index cb084a85e47..f90f992e80e 100644
--- a/compiler/rustc_expand/src/lib.rs
+++ b/compiler/rustc_expand/src/lib.rs
@@ -23,7 +23,6 @@ extern crate tracing;
extern crate proc_macro as pm;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
mod placeholders;
diff --git a/compiler/rustc_fluent_macro/src/fluent.rs b/compiler/rustc_fluent_macro/src/fluent.rs
index 7479e4ef2b3..3b1b63455ed 100644
--- a/compiler/rustc_fluent_macro/src/fluent.rs
+++ b/compiler/rustc_fluent_macro/src/fluent.rs
@@ -57,20 +57,20 @@ fn finish(body: TokenStream, resource: TokenStream) -> proc_macro::TokenStream {
/// identifiers for different subdiagnostic kinds.
pub mod _subdiag {
/// Default for `#[help]`
- pub const help: crate::SubdiagnosticMessage =
- crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("help"));
+ pub const help: rustc_errors::SubdiagnosticMessage =
+ rustc_errors::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("help"));
/// Default for `#[note]`
- pub const note: crate::SubdiagnosticMessage =
- crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("note"));
+ pub const note: rustc_errors::SubdiagnosticMessage =
+ rustc_errors::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("note"));
/// Default for `#[warn]`
- pub const warn: crate::SubdiagnosticMessage =
- crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("warn"));
+ pub const warn: rustc_errors::SubdiagnosticMessage =
+ rustc_errors::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("warn"));
/// Default for `#[label]`
- pub const label: crate::SubdiagnosticMessage =
- crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("label"));
+ pub const label: rustc_errors::SubdiagnosticMessage =
+ rustc_errors::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("label"));
/// Default for `#[suggestion]`
- pub const suggestion: crate::SubdiagnosticMessage =
- crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("suggestion"));
+ pub const suggestion: rustc_errors::SubdiagnosticMessage =
+ rustc_errors::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("suggestion"));
}
}
}
@@ -248,11 +248,8 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok
format!("Constant referring to Fluent message `{name}` from `{crate_name}`");
constants.extend(quote! {
#[doc = #docstr]
- pub const #snake_name: crate::DiagnosticMessage =
- crate::DiagnosticMessage::FluentIdentifier(
- std::borrow::Cow::Borrowed(#name),
- None
- );
+ pub const #snake_name: rustc_errors::DiagnosticMessage =
+ rustc_errors::DiagnosticMessage::FluentIdentifier(std::borrow::Cow::Borrowed(#name), None);
});
for Attribute { id: Identifier { name: attr_name }, .. } in attributes {
@@ -279,10 +276,8 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok
);
constants.extend(quote! {
#[doc = #msg]
- pub const #snake_name: crate::SubdiagnosticMessage =
- crate::SubdiagnosticMessage::FluentAttr(
- std::borrow::Cow::Borrowed(#attr_name)
- );
+ pub const #snake_name: rustc_errors::SubdiagnosticMessage =
+ rustc_errors::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed(#attr_name));
});
}
diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index bcc2051888b..71fd09e8bdb 100644
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -99,7 +99,6 @@ pub mod structured_errors;
mod variance;
use rustc_errors::ErrorGuaranteed;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_hir as hir;
use rustc_middle::middle;
diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs
index 66a0f4ed9de..d85247955d0 100644
--- a/compiler/rustc_hir_typeck/src/lib.rs
+++ b/compiler/rustc_hir_typeck/src/lib.rs
@@ -52,10 +52,7 @@ use crate::expectation::Expectation;
use crate::fn_ctxt::RawTy;
use crate::gather_locals::GatherLocalsVisitor;
use rustc_data_structures::unord::UnordSet;
-use rustc_errors::{
- struct_span_err, DiagnosticId, DiagnosticMessage, ErrorGuaranteed, MultiSpan,
- SubdiagnosticMessage,
-};
+use rustc_errors::{struct_span_err, DiagnosticId, ErrorGuaranteed, MultiSpan};
use rustc_fluent_macro::fluent_messages;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
diff --git a/compiler/rustc_incremental/src/lib.rs b/compiler/rustc_incremental/src/lib.rs
index 81d4d914287..e9a5dded0e5 100644
--- a/compiler/rustc_incremental/src/lib.rs
+++ b/compiler/rustc_incremental/src/lib.rs
@@ -28,7 +28,6 @@ pub use persist::save_work_product_index;
pub use persist::setup_dep_graph;
pub use persist::LoadResult;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
fluent_messages! { "../messages.ftl" }
diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
index 4ca3ced21ee..bcb93e7759d 100644
--- a/compiler/rustc_infer/src/lib.rs
+++ b/compiler/rustc_infer/src/lib.rs
@@ -37,7 +37,6 @@ extern crate tracing;
#[macro_use]
extern crate rustc_middle;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
mod errors;
diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs
index ffa2667a351..fc01c39ed9e 100644
--- a/compiler/rustc_interface/src/lib.rs
+++ b/compiler/rustc_interface/src/lib.rs
@@ -13,7 +13,6 @@
#[macro_use]
extern crate tracing;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
mod callbacks;
diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs
index a48a8bd71b9..90ecb2f7927 100644
--- a/compiler/rustc_lint/src/lib.rs
+++ b/compiler/rustc_lint/src/lib.rs
@@ -90,7 +90,6 @@ mod unused;
pub use array_into_iter::ARRAY_INTO_ITER;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_hir::def_id::LocalModDefId;
use rustc_middle::query::Providers;
diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs
index d326a3aa8d0..199aa9b5337 100644
--- a/compiler/rustc_metadata/src/lib.rs
+++ b/compiler/rustc_metadata/src/lib.rs
@@ -31,7 +31,6 @@ extern crate rustc_middle;
extern crate tracing;
pub use rmeta::provide;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
mod dependency_format;
diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs
index e5244c1862e..356092a4959 100644
--- a/compiler/rustc_middle/src/lib.rs
+++ b/compiler/rustc_middle/src/lib.rs
@@ -77,7 +77,6 @@ extern crate tracing;
#[macro_use]
extern crate smallvec;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
#[cfg(test)]
diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs
index 745c3046d22..1f795b30fb7 100644
--- a/compiler/rustc_mir_build/src/lib.rs
+++ b/compiler/rustc_mir_build/src/lib.rs
@@ -24,7 +24,6 @@ mod thir;
use rustc_middle::query::Providers;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
fluent_messages! { "../messages.ftl" }
diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs
index cd3378375d8..562ee42b25e 100644
--- a/compiler/rustc_mir_dataflow/src/lib.rs
+++ b/compiler/rustc_mir_dataflow/src/lib.rs
@@ -13,7 +13,6 @@ extern crate tracing;
#[macro_use]
extern crate rustc_middle;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_middle::ty;
diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index a3a10b138c7..5b861787540 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -118,7 +118,6 @@ use rustc_const_eval::transform::promote_consts;
use rustc_const_eval::transform::validate;
use rustc_mir_dataflow::rustc_peek;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
fluent_messages! { "../messages.ftl" }
diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs
index 5f05020acae..98c69fc700c 100644
--- a/compiler/rustc_monomorphize/src/lib.rs
+++ b/compiler/rustc_monomorphize/src/lib.rs
@@ -10,7 +10,6 @@ extern crate tracing;
#[macro_use]
extern crate rustc_middle;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_hir::lang_items::LangItem;
use rustc_middle::query::{Providers, TyCtxtAt};
diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs
index c012a866332..7b9520bea50 100644
--- a/compiler/rustc_parse/src/lib.rs
+++ b/compiler/rustc_parse/src/lib.rs
@@ -20,7 +20,6 @@ use rustc_ast::{AttrItem, Attribute, MetaItem};
use rustc_ast_pretty::pprust;
use rustc_data_structures::sync::Lrc;
use rustc_errors::{Diagnostic, FatalError, Level, PResult};
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_session::parse::ParseSess;
use rustc_span::{FileName, SourceFile, Span};
diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs
index 9eb1df0b2e2..68c31423b58 100644
--- a/compiler/rustc_passes/src/lib.rs
+++ b/compiler/rustc_passes/src/lib.rs
@@ -23,7 +23,6 @@ extern crate rustc_middle;
#[macro_use]
extern crate tracing;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_middle::query::Providers;
diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs
index 4324afe42b3..d6d3f828642 100644
--- a/compiler/rustc_privacy/src/lib.rs
+++ b/compiler/rustc_privacy/src/lib.rs
@@ -19,7 +19,6 @@ use rustc_ast::MacroDef;
use rustc_attr as attr;
use rustc_data_structures::fx::FxHashSet;
use rustc_data_structures::intern::Interned;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs
index 2ed420f3564..8e5e94291bd 100644
--- a/compiler/rustc_query_system/src/lib.rs
+++ b/compiler/rustc_query_system/src/lib.rs
@@ -14,7 +14,6 @@ extern crate rustc_data_structures;
#[macro_use]
extern crate rustc_macros;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
pub mod cache;
diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
index 23e8ebc49b0..c131f70f087 100644
--- a/compiler/rustc_resolve/src/lib.rs
+++ b/compiler/rustc_resolve/src/lib.rs
@@ -37,9 +37,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet};
use rustc_data_structures::intern::Interned;
use rustc_data_structures::steal::Steal;
use rustc_data_structures::sync::{FreezeReadGuard, Lrc};
-use rustc_errors::{
- Applicability, DiagnosticBuilder, DiagnosticMessage, ErrorGuaranteed, SubdiagnosticMessage,
-};
+use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed};
use rustc_expand::base::{DeriveResolutions, SyntaxExtension, SyntaxExtensionKind};
use rustc_feature::BUILTIN_ATTRIBUTES;
use rustc_fluent_macro::fluent_messages;
diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs
index 17ac3e991c5..ea015fd3c68 100644
--- a/compiler/rustc_session/src/lib.rs
+++ b/compiler/rustc_session/src/lib.rs
@@ -20,7 +20,6 @@ pub mod errors;
#[macro_use]
extern crate tracing;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
pub mod utils;
diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs
index de52fa6c447..536fdcb59dd 100644
--- a/compiler/rustc_trait_selection/src/lib.rs
+++ b/compiler/rustc_trait_selection/src/lib.rs
@@ -37,7 +37,6 @@ extern crate rustc_middle;
#[macro_use]
extern crate smallvec;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
pub mod errors;
diff --git a/compiler/rustc_ty_utils/src/lib.rs b/compiler/rustc_ty_utils/src/lib.rs
index 8321732b766..7a99f95386c 100644
--- a/compiler/rustc_ty_utils/src/lib.rs
+++ b/compiler/rustc_ty_utils/src/lib.rs
@@ -24,7 +24,6 @@ extern crate rustc_middle;
#[macro_use]
extern crate tracing;
-use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_middle::query::Providers;
diff --git a/tests/ui-fulldeps/fluent-messages/test.rs b/tests/ui-fulldeps/fluent-messages/test.rs
index 1dd6d211b3f..d19c6956cbd 100644
--- a/tests/ui-fulldeps/fluent-messages/test.rs
+++ b/tests/ui-fulldeps/fluent-messages/test.rs
@@ -2,7 +2,7 @@
#![feature(rustc_private)]
#![crate_type = "lib"]
-
+extern crate rustc_errors;
extern crate rustc_fluent_macro;
use rustc_fluent_macro::fluent_messages;