Remove #[macro_use] extern crate tracing from rustc_hir_typeck.

Author: nnethercote

Diff for: compiler/rustc_hir_typeck/src/_match.rs

@@ -8,6 +8,7 @@ use rustc_span::Span;
 use rustc_trait_selection::traits::{
     IfExpressionCause, MatchExpressionArmCause, ObligationCause, ObligationCauseCode,
 };
+use tracing::{debug, instrument};
 
 use crate::coercion::{AsCoercionSite, CoerceMany};
 use crate::{Diverges, Expectation, FnCtxt, Needs};

Diff for: compiler/rustc_hir_typeck/src/callee.rs

@@ -20,6 +20,7 @@ use rustc_target::spec::abi;
 use rustc_trait_selection::error_reporting::traits::DefIdOrName;
 use rustc_trait_selection::infer::InferCtxtExt as _;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _;
+use tracing::{debug, instrument, trace};
 
 use super::method::probe::ProbeScope;
 use super::method::MethodCallee;

Diff for: compiler/rustc_hir_typeck/src/cast.rs

@@ -44,6 +44,7 @@ use rustc_span::def_id::LOCAL_CRATE;
 use rustc_span::symbol::sym;
 use rustc_span::{Span, DUMMY_SP};
 use rustc_trait_selection::infer::InferCtxtExt;
+use tracing::{debug, instrument};
 
 use super::FnCtxt;
 use crate::{errors, type_error_struct};

Diff for: compiler/rustc_hir_typeck/src/check.rs

@@ -12,6 +12,7 @@ use rustc_span::def_id::LocalDefId;
 use rustc_span::symbol::sym;
 use rustc_target::spec::abi::Abi;
 use rustc_trait_selection::traits::{ObligationCause, ObligationCauseCode};
+use tracing::{debug, instrument};
 
 use crate::coercion::CoerceMany;
 use crate::gather_locals::GatherLocalsVisitor;

Diff for: compiler/rustc_hir_typeck/src/closure.rs

@@ -19,6 +19,7 @@ use rustc_target::spec::abi::Abi;
 use rustc_trait_selection::error_reporting::traits::ArgKind;
 use rustc_trait_selection::traits;
 use rustc_type_ir::ClosureKind;
+use tracing::{debug, instrument, trace};
 
 use super::{check_fn, CoroutineTypes, Expectation, FnCtxt};
 

Diff for: compiler/rustc_hir_typeck/src/coercion.rs

@@ -66,6 +66,7 @@ use rustc_trait_selection::traits::{
     self, NormalizeExt, ObligationCause, ObligationCauseCode, ObligationCtxt,
 };
 use smallvec::{smallvec, SmallVec};
+use tracing::{debug, instrument};
 
 use crate::errors::SuggestBoxingForReturnImplTrait;
 use crate::FnCtxt;

Diff for: compiler/rustc_hir_typeck/src/demand.rs

@@ -13,6 +13,7 @@ use rustc_span::symbol::sym;
 use rustc_span::{Span, DUMMY_SP};
 use rustc_trait_selection::infer::InferCtxtExt;
 use rustc_trait_selection::traits::ObligationCause;
+use tracing::instrument;
 
 use super::method::probe;
 use crate::FnCtxt;

Diff for: compiler/rustc_hir_typeck/src/expr.rs

@@ -34,6 +34,7 @@ use rustc_target::abi::{FieldIdx, FIRST_VARIANT};
 use rustc_trait_selection::infer::InferCtxtExt;
 use rustc_trait_selection::traits::{self, ObligationCauseCode, ObligationCtxt};
 use smallvec::SmallVec;
+use tracing::{debug, instrument, trace};
 use {rustc_ast as ast, rustc_hir as hir};
 
 use crate::coercion::{CoerceMany, DynamicCoerceMany};

Diff for: compiler/rustc_hir_typeck/src/expr_use_visitor.rs

@@ -26,6 +26,7 @@ use rustc_middle::{bug, span_bug};
 use rustc_span::{ErrorGuaranteed, Span};
 use rustc_target::abi::{FieldIdx, VariantIdx, FIRST_VARIANT};
 use rustc_trait_selection::infer::InferCtxtExt;
+use tracing::{debug, trace};
 use ty::BorrowKind::ImmBorrow;
 
 use crate::fn_ctxt::FnCtxt;

Diff for: compiler/rustc_hir_typeck/src/fallback.rs

@@ -14,6 +14,7 @@ use rustc_session::lint;
 use rustc_span::def_id::LocalDefId;
 use rustc_span::{Span, DUMMY_SP};
 use rustc_trait_selection::traits::{ObligationCause, ObligationCtxt};
+use tracing::debug;
 
 use crate::{errors, FnCtxt, TypeckRootCtxt};
 

Diff for: compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs

@@ -38,6 +38,7 @@ use rustc_trait_selection::error_reporting::infer::need_type_info::TypeAnnotatio
 use rustc_trait_selection::traits::{
     self, NormalizeExt, ObligationCauseCode, ObligationCtxt, StructurallyNormalizeExt,
 };
+use tracing::{debug, instrument};
 
 use crate::callee::{self, DeferredCallResolution};
 use crate::errors::{self, CtorIsPrivate};

Diff for: compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs

@@ -26,6 +26,7 @@ use rustc_span::{sym, Span, DUMMY_SP};
 use rustc_trait_selection::error_reporting::infer::{FailureCode, ObligationCauseExt};
 use rustc_trait_selection::infer::InferCtxtExt;
 use rustc_trait_selection::traits::{self, ObligationCauseCode, SelectionContext};
+use tracing::debug;
 use {rustc_ast as ast, rustc_hir as hir};
 
 use crate::coercion::CoerceMany;

Diff for: compiler/rustc_hir_typeck/src/fn_ctxt/inspect_obligations.rs

@@ -7,6 +7,7 @@ use rustc_span::Span;
 use rustc_trait_selection::solve::inspect::{
     InspectConfig, InspectGoal, ProofTreeInferCtxtExt, ProofTreeVisitor,
 };
+use tracing::{debug, instrument, trace};
 
 use crate::FnCtxt;
 

Diff for: compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs

@@ -31,6 +31,7 @@ use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
 use rustc_trait_selection::infer::InferCtxtExt;
 use rustc_trait_selection::traits;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _;
+use tracing::{debug, instrument};
 
 use super::FnCtxt;
 use crate::fn_ctxt::rustc_span::BytePos;

Diff for: compiler/rustc_hir_typeck/src/gather_locals.rs

@@ -5,6 +5,7 @@ use rustc_infer::traits::ObligationCauseCode;
 use rustc_middle::ty::{Ty, UserType};
 use rustc_span::def_id::LocalDefId;
 use rustc_span::Span;
+use tracing::debug;
 
 use crate::FnCtxt;
 

Diff for: compiler/rustc_hir_typeck/src/intrinsicck.rs

@@ -7,6 +7,7 @@ use rustc_middle::bug;
 use rustc_middle::ty::layout::{LayoutError, SizeSkeleton};
 use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt};
 use rustc_target::abi::{Pointer, VariantIdx};
+use tracing::trace;
 
 use super::FnCtxt;
 

Diff for: compiler/rustc_hir_typeck/src/lib.rs

@@ -11,9 +11,6 @@
 #![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
-#[macro_use]
-extern crate tracing;
-
 mod _match;
 mod autoderef;
 mod callee;
@@ -60,6 +57,7 @@ use rustc_middle::{bug, span_bug};
 use rustc_session::config;
 use rustc_span::def_id::LocalDefId;
 use rustc_span::Span;
+use tracing::{debug, instrument};
 use typeck_root_ctxt::TypeckRootCtxt;
 
 use crate::check::check_fn;

Diff for: compiler/rustc_hir_typeck/src/method/confirm.rs

@@ -22,6 +22,7 @@ use rustc_middle::ty::{
 use rustc_middle::{bug, span_bug};
 use rustc_span::{Span, DUMMY_SP};
 use rustc_trait_selection::traits;
+use tracing::debug;
 
 use super::{probe, MethodCallee};
 use crate::{callee, FnCtxt};

Diff for: compiler/rustc_hir_typeck/src/method/mod.rs

@@ -22,6 +22,7 @@ use rustc_span::symbol::Ident;
 use rustc_span::Span;
 use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt;
 use rustc_trait_selection::traits::{self, NormalizeExt};
+use tracing::{debug, instrument};
 
 use self::probe::{IsSuggestion, ProbeScope};
 pub(crate) use self::MethodError::*;

Diff for: compiler/rustc_hir_typeck/src/method/prelude_edition_lints.rs

@@ -12,6 +12,7 @@ use rustc_span::symbol::kw::{Empty, Underscore};
 use rustc_span::symbol::{sym, Ident};
 use rustc_span::Span;
 use rustc_trait_selection::infer::InferCtxtExt;
+use tracing::debug;
 
 use crate::method::probe::{self, Pick};
 use crate::FnCtxt;

Diff for: compiler/rustc_hir_typeck/src/method/probe.rs

@@ -36,6 +36,7 @@ use rustc_trait_selection::traits::query::method_autoderef::{
 use rustc_trait_selection::traits::query::CanonicalTyGoal;
 use rustc_trait_selection::traits::{self, ObligationCause, ObligationCtxt};
 use smallvec::{smallvec, SmallVec};
+use tracing::{debug, instrument};
 
 use self::CandidateKind::*;
 pub(crate) use self::PickKind::*;

Diff for: compiler/rustc_hir_typeck/src/method/suggest.rs

@@ -37,6 +37,7 @@ use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _
 use rustc_trait_selection::traits::{
     supertraits, FulfillmentError, Obligation, ObligationCause, ObligationCauseCode,
 };
+use tracing::{debug, info, instrument};
 
 use super::probe::{AutorefOrPtrAdjustment, IsSuggestion, Mode, ProbeScope};
 use super::{CandidateSource, MethodError, NoMatchData};

Diff for: compiler/rustc_hir_typeck/src/op.rs

@@ -17,6 +17,7 @@ use rustc_span::Span;
 use rustc_trait_selection::infer::InferCtxtExt;
 use rustc_trait_selection::traits::{FulfillmentError, ObligationCtxt};
 use rustc_type_ir::TyKind::*;
+use tracing::debug;
 use {rustc_ast as ast, rustc_hir as hir};
 
 use super::method::MethodCallee;

Diff for: compiler/rustc_hir_typeck/src/pat.rs

@@ -24,6 +24,7 @@ use rustc_span::{BytePos, Span, DUMMY_SP};
 use rustc_target::abi::FieldIdx;
 use rustc_trait_selection::infer::InferCtxtExt;
 use rustc_trait_selection::traits::{ObligationCause, ObligationCauseCode};
+use tracing::{debug, instrument, trace};
 use ty::VariantDef;
 
 use super::report_unexpected_variant_res;

Diff for: compiler/rustc_hir_typeck/src/place_op.rs

@@ -9,6 +9,7 @@ use rustc_middle::ty::adjustment::{
 use rustc_middle::ty::{self, Ty};
 use rustc_span::symbol::{sym, Ident};
 use rustc_span::Span;
+use tracing::debug;
 use {rustc_ast as ast, rustc_hir as hir};
 
 use crate::method::MethodCallee;

Diff for: compiler/rustc_hir_typeck/src/rvalue_scopes.rs

@@ -4,6 +4,7 @@ use rustc_hir as hir;
 use rustc_middle::bug;
 use rustc_middle::middle::region::{RvalueCandidateType, Scope, ScopeTree};
 use rustc_middle::ty::RvalueScopes;
+use tracing::debug;
 
 use super::FnCtxt;
 

Diff for: compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs

@@ -15,6 +15,7 @@ use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt;
 use rustc_trait_selection::traits::{
     self, FulfillmentError, PredicateObligation, TraitEngine, TraitEngineExt as _,
 };
+use tracing::{debug, instrument};
 
 use super::callee::DeferredCallResolution;
 

Diff for: compiler/rustc_hir_typeck/src/upvar.rs

@@ -52,6 +52,7 @@ use rustc_session::lint;
 use rustc_span::{sym, BytePos, Pos, Span, Symbol};
 use rustc_target::abi::FIRST_VARIANT;
 use rustc_trait_selection::infer::InferCtxtExt;
+use tracing::{debug, instrument};
 
 use super::FnCtxt;
 use crate::expr_use_visitor as euv;

Diff for: compiler/rustc_hir_typeck/src/writeback.rs

@@ -19,6 +19,7 @@ use rustc_span::symbol::sym;
 use rustc_span::Span;
 use rustc_trait_selection::error_reporting::infer::need_type_info::TypeAnnotationNeeded;
 use rustc_trait_selection::solve;
+use tracing::{debug, instrument};
 
 use crate::FnCtxt;