Rename impl_of_method -> impl_of_assoc

25 files changed, 27 insertions, 27 deletions

diff --git a/src/tools/clippy/clippy_lints/src/assigning_clones.rs b/src/tools/clippy/clippy_lints/src/assigning_clones.rs
index 8b8b42bbf72..52287be34c7 100644
--- a/src/tools/clippy/clippy_lints/src/assigning_clones.rs
+++ b/src/tools/clippy/clippy_lints/src/assigning_clones.rs
@@ -98,7 +98,7 @@ impl<'tcx> LateLintPass<'tcx> for AssigningClones {
             // That is overly conservative - the lint should fire even if there was no initializer,
             // but the variable has been initialized before `lhs` was evaluated.
             && path_to_local(lhs).is_none_or(|lhs| local_is_initialized(cx, lhs))
-            && let Some(resolved_impl) = cx.tcx.impl_of_method(resolved_fn.def_id())
+            && let Some(resolved_impl) = cx.tcx.impl_of_assoc(resolved_fn.def_id())
             // Derived forms don't implement `clone_from`/`clone_into`.
             // See https://github.com/rust-lang/rust/pull/98445#issuecomment-1190681305
             && !cx.tcx.is_builtin_derived(resolved_impl)
diff --git a/src/tools/clippy/clippy_lints/src/casts/cast_ptr_alignment.rs b/src/tools/clippy/clippy_lints/src/casts/cast_ptr_alignment.rs
index e4dafde0f9d..a1543cabd2f 100644
--- a/src/tools/clippy/clippy_lints/src/casts/cast_ptr_alignment.rs
+++ b/src/tools/clippy/clippy_lints/src/casts/cast_ptr_alignment.rs
@@ -63,7 +63,7 @@ fn is_used_as_unaligned(cx: &LateContext<'_>, e: &Expr<'_>) -> bool {
         ExprKind::MethodCall(name, self_arg, ..) if self_arg.hir_id == e.hir_id => {
             if matches!(name.ident.name, sym::read_unaligned | sym::write_unaligned)
                 && let Some(def_id) = cx.typeck_results().type_dependent_def_id(parent.hir_id)
-                && let Some(def_id) = cx.tcx.impl_of_method(def_id)
+                && let Some(def_id) = cx.tcx.impl_of_assoc(def_id)
                 && cx.tcx.type_of(def_id).instantiate_identity().is_raw_ptr()
             {
                 true
diff --git a/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs
index 849de22cfba..73347e7141e 100644
--- a/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs
+++ b/src/tools/clippy/clippy_lints/src/casts/confusing_method_to_numeric_cast.rs
@@ -37,7 +37,7 @@ fn get_const_name_and_ty_name(
         } else {
             return None;
         }
-    } else if let Some(impl_id) = cx.tcx.impl_of_method(method_def_id)
+    } else if let Some(impl_id) = cx.tcx.impl_of_assoc(method_def_id)
         && let Some(ty_name) = get_primitive_ty_name(cx.tcx.type_of(impl_id).instantiate_identity())
         && matches!(
             method_name,
diff --git a/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs b/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs
index c743501da25..c634c12e187 100644
--- a/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs
+++ b/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs
@@ -339,7 +339,7 @@ fn check_with_condition<'tcx>(
             ExprKind::Path(QPath::TypeRelative(_, name)) => {
                 if name.ident.name == sym::MIN
                     && let Some(const_id) = cx.typeck_results().type_dependent_def_id(cond_num_val.hir_id)
-                    && let Some(impl_id) = cx.tcx.impl_of_method(const_id)
+                    && let Some(impl_id) = cx.tcx.impl_of_assoc(const_id)
                     && let None = cx.tcx.impl_trait_ref(impl_id) // An inherent impl
                     && cx.tcx.type_of(impl_id).instantiate_identity().is_integral()
                 {
@@ -350,7 +350,7 @@ fn check_with_condition<'tcx>(
                 if let ExprKind::Path(QPath::TypeRelative(_, name)) = func.kind
                     && name.ident.name == sym::min_value
                     && let Some(func_id) = cx.typeck_results().type_dependent_def_id(func.hir_id)
-                    && let Some(impl_id) = cx.tcx.impl_of_method(func_id)
+                    && let Some(impl_id) = cx.tcx.impl_of_assoc(func_id)
                     && let None = cx.tcx.impl_trait_ref(impl_id) // An inherent impl
                     && cx.tcx.type_of(impl_id).instantiate_identity().is_integral()
                 {
diff --git a/src/tools/clippy/clippy_lints/src/methods/bytes_count_to_len.rs b/src/tools/clippy/clippy_lints/src/methods/bytes_count_to_len.rs
index a9f6a41c235..b8cc5ddd845 100644
--- a/src/tools/clippy/clippy_lints/src/methods/bytes_count_to_len.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/bytes_count_to_len.rs
@@ -14,7 +14,7 @@ pub(super) fn check<'tcx>(
     bytes_recv: &'tcx hir::Expr<'_>,
 ) {
     if let Some(bytes_id) = cx.typeck_results().type_dependent_def_id(count_recv.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(bytes_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(bytes_id)
         && cx.tcx.type_of(impl_id).instantiate_identity().is_str()
         && let ty = cx.typeck_results().expr_ty(bytes_recv).peel_refs()
         && (ty.is_str() || is_type_lang_item(cx, ty, hir::LangItem::String))
diff --git a/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs b/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs
index 292fa08b598..6f9702f6c6c 100644
--- a/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs
@@ -30,7 +30,7 @@ pub(super) fn check<'tcx>(
     }
 
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && cx.tcx.type_of(impl_id).instantiate_identity().is_str()
         && let ExprKind::Lit(Spanned {
             node: LitKind::Str(ext_literal, ..),
diff --git a/src/tools/clippy/clippy_lints/src/methods/get_first.rs b/src/tools/clippy/clippy_lints/src/methods/get_first.rs
index f4465e654c2..2e1d71ce284 100644
--- a/src/tools/clippy/clippy_lints/src/methods/get_first.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/get_first.rs
@@ -18,7 +18,7 @@ pub(super) fn check<'tcx>(
     arg: &'tcx hir::Expr<'_>,
 ) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && let identity = cx.tcx.type_of(impl_id).instantiate_identity()
         && let hir::ExprKind::Lit(Spanned {
             node: LitKind::Int(Pu128(0), _),
diff --git a/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs b/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs
index 9724463f0c0..efa8cee58df 100644
--- a/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/implicit_clone.rs
@@ -50,7 +50,7 @@ pub fn is_clone_like(cx: &LateContext<'_>, method_name: Symbol, method_def_id: h
         sym::to_path_buf => is_diag_item_method(cx, method_def_id, sym::Path),
         sym::to_vec => cx
             .tcx
-            .impl_of_method(method_def_id)
+            .impl_of_assoc(method_def_id)
             .filter(|&impl_did| {
                 cx.tcx.type_of(impl_did).instantiate_identity().is_slice() && cx.tcx.impl_trait_ref(impl_did).is_none()
             })
diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_ok_or.rs b/src/tools/clippy/clippy_lints/src/methods/manual_ok_or.rs
index c286c5faaed..077957fa44d 100644
--- a/src/tools/clippy/clippy_lints/src/methods/manual_ok_or.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/manual_ok_or.rs
@@ -18,7 +18,7 @@ pub(super) fn check<'tcx>(
     map_expr: &'tcx Expr<'_>,
 ) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Option)
         && let ExprKind::Call(err_path, [err_arg]) = or_expr.kind
         && is_res_lang_ctor(cx, path_res(cx, err_path), ResultErr)
diff --git a/src/tools/clippy/clippy_lints/src/methods/map_clone.rs b/src/tools/clippy/clippy_lints/src/methods/map_clone.rs
index d016ace28bd..748be9bfcc6 100644
--- a/src/tools/clippy/clippy_lints/src/methods/map_clone.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/map_clone.rs
@@ -23,7 +23,7 @@ fn should_run_lint(cx: &LateContext<'_>, e: &hir::Expr<'_>, method_id: DefId) ->
         return true;
     }
     // We check if it's an `Option` or a `Result`.
-    if let Some(id) = cx.tcx.impl_of_method(method_id) {
+    if let Some(id) = cx.tcx.impl_of_assoc(method_id) {
         let identity = cx.tcx.type_of(id).instantiate_identity();
         if !is_type_diagnostic_item(cx, identity, sym::Option) && !is_type_diagnostic_item(cx, identity, sym::Result) {
             return false;
diff --git a/src/tools/clippy/clippy_lints/src/methods/map_err_ignore.rs b/src/tools/clippy/clippy_lints/src/methods/map_err_ignore.rs
index 5d0d4dae35f..41beda9c5cb 100644
--- a/src/tools/clippy/clippy_lints/src/methods/map_err_ignore.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/map_err_ignore.rs
@@ -8,7 +8,7 @@ use super::MAP_ERR_IGNORE;
 
 pub(super) fn check(cx: &LateContext<'_>, e: &Expr<'_>, arg: &Expr<'_>) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Result)
         && let ExprKind::Closure(&Closure {
             capture_clause: CaptureBy::Ref,
diff --git a/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs b/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs
index 320523aceb6..4235af882b0 100644
--- a/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs
@@ -13,7 +13,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, ex: &'tcx Expr<'tcx>, recv: &'
         && let (_, ref_depth, Mutability::Mut) = peel_mid_ty_refs_is_mutable(cx.typeck_results().expr_ty(recv))
         && ref_depth >= 1
         && let Some(method_id) = cx.typeck_results().type_dependent_def_id(ex.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Mutex)
     {
         span_lint_and_sugg(
diff --git a/src/tools/clippy/clippy_lints/src/methods/open_options.rs b/src/tools/clippy/clippy_lints/src/methods/open_options.rs
index 87e6cf02102..37a8e25bef9 100644
--- a/src/tools/clippy/clippy_lints/src/methods/open_options.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/open_options.rs
@@ -18,7 +18,7 @@ fn is_open_options(cx: &LateContext<'_>, ty: Ty<'_>) -> bool {
 
 pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, recv: &'tcx Expr<'_>) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && is_open_options(cx, cx.tcx.type_of(impl_id).instantiate_identity())
     {
         let mut options = Vec::new();
diff --git a/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs b/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs
index 38d9c5f1677..32752ef7435 100644
--- a/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/path_buf_push_overwrite.rs
@@ -11,7 +11,7 @@ use super::PATH_BUF_PUSH_OVERWRITE;
 
 pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, arg: &'tcx Expr<'_>) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::PathBuf)
         && let ExprKind::Lit(lit) = arg.kind
         && let LitKind::Str(ref path_lit, _) = lit.node
diff --git a/src/tools/clippy/clippy_lints/src/methods/stable_sort_primitive.rs b/src/tools/clippy/clippy_lints/src/methods/stable_sort_primitive.rs
index aef14435d8a..17d1a6abde0 100644
--- a/src/tools/clippy/clippy_lints/src/methods/stable_sort_primitive.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/stable_sort_primitive.rs
@@ -9,7 +9,7 @@ use super::STABLE_SORT_PRIMITIVE;
 
 pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, recv: &'tcx Expr<'_>) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && cx.tcx.type_of(impl_id).instantiate_identity().is_slice()
         && let Some(slice_type) = is_slice_of_primitives(cx, recv)
     {
diff --git a/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs b/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs
index f8b6d4349fb..9876681ddbb 100644
--- a/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/suspicious_splitn.rs
@@ -10,7 +10,7 @@ use super::SUSPICIOUS_SPLITN;
 pub(super) fn check(cx: &LateContext<'_>, method_name: Symbol, expr: &Expr<'_>, self_arg: &Expr<'_>, count: u128) {
     if count <= 1
         && let Some(call_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(call_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(call_id)
         && cx.tcx.impl_trait_ref(impl_id).is_none()
         && let self_ty = cx.tcx.type_of(impl_id).instantiate_identity()
         && (self_ty.is_slice() || self_ty.is_str())
diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs
index dbff08bc51c..1de9f6ab497 100644
--- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_sort_by.rs
@@ -114,7 +114,7 @@ fn mirrored_exprs(a_expr: &Expr<'_>, a_ident: &Ident, b_expr: &Expr<'_>, b_ident
 
 fn detect_lint(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, arg: &Expr<'_>) -> Option<LintTrigger> {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && cx.tcx.type_of(impl_id).instantiate_identity().is_slice()
         && let ExprKind::Closure(&Closure { body, .. }) = arg.kind
         && let closure_body = cx.tcx.hir_body(body)
diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
index a8642880821..54f45263275 100644
--- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
@@ -694,7 +694,7 @@ fn check_if_applicable_to_argument<'tcx>(cx: &LateContext<'tcx>, arg: &Expr<'tcx
             sym::to_string => cx.tcx.is_diagnostic_item(sym::to_string_method, method_def_id),
             sym::to_vec => cx
                 .tcx
-                .impl_of_method(method_def_id)
+                .impl_of_assoc(method_def_id)
                 .filter(|&impl_did| cx.tcx.type_of(impl_did).instantiate_identity().is_slice())
                 .is_some(),
             _ => false,
diff --git a/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs b/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs
index d9cf8273fad..38fad239f67 100644
--- a/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/useless_asref.rs
@@ -79,7 +79,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, call_name: Symbo
                 applicability,
             );
         }
-    } else if let Some(impl_id) = cx.tcx.impl_of_method(def_id)
+    } else if let Some(impl_id) = cx.tcx.impl_of_assoc(def_id)
         && let Some(adt) = cx.tcx.type_of(impl_id).instantiate_identity().ty_adt_def()
         && matches!(cx.tcx.get_diagnostic_name(adt.did()), Some(sym::Option | sym::Result))
     {
diff --git a/src/tools/clippy/clippy_lints/src/methods/vec_resize_to_zero.rs b/src/tools/clippy/clippy_lints/src/methods/vec_resize_to_zero.rs
index 5ea4ada128a..bfb481f4fc0 100644
--- a/src/tools/clippy/clippy_lints/src/methods/vec_resize_to_zero.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/vec_resize_to_zero.rs
@@ -18,7 +18,7 @@ pub(super) fn check<'tcx>(
     name_span: Span,
 ) {
     if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id)
-        && let Some(impl_id) = cx.tcx.impl_of_method(method_id)
+        && let Some(impl_id) = cx.tcx.impl_of_assoc(method_id)
         && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Vec)
         && let ExprKind::Lit(Spanned {
             node: LitKind::Int(Pu128(0), _),
diff --git a/src/tools/clippy/clippy_lints/src/operators/op_ref.rs b/src/tools/clippy/clippy_lints/src/operators/op_ref.rs
index 21e1ab0f4f2..0a1f2625f4c 100644
--- a/src/tools/clippy/clippy_lints/src/operators/op_ref.rs
+++ b/src/tools/clippy/clippy_lints/src/operators/op_ref.rs
@@ -179,7 +179,7 @@ fn in_impl<'tcx>(
     bin_op: DefId,
 ) -> Option<(&'tcx rustc_hir::Ty<'tcx>, &'tcx rustc_hir::Ty<'tcx>)> {
     if let Some(block) = get_enclosing_block(cx, e.hir_id)
-        && let Some(impl_def_id) = cx.tcx.impl_of_method(block.hir_id.owner.to_def_id())
+        && let Some(impl_def_id) = cx.tcx.impl_of_assoc(block.hir_id.owner.to_def_id())
         && let item = cx.tcx.hir_expect_item(impl_def_id.expect_local())
         && let ItemKind::Impl(item) = &item.kind
         && let Some(of_trait) = &item.of_trait
diff --git a/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs b/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs
index 25929b853af..3497216d1c5 100644
--- a/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs
+++ b/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs
@@ -113,7 +113,7 @@ impl<'tcx> LateLintPass<'tcx> for ReturnSelfNotMustUse {
     ) {
         if matches!(kind, FnKind::Method(_, _))
             // We are only interested in methods, not in functions or associated functions.
-            && let Some(impl_def) = cx.tcx.impl_of_method(fn_def.to_def_id())
+            && let Some(impl_def) = cx.tcx.impl_of_assoc(fn_def.to_def_id())
             // We don't want this method to be te implementation of a trait because the
             // `#[must_use]` should be put on the trait definition directly.
             && cx.tcx.trait_id_of_impl(impl_def).is_none()
diff --git a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs
index bed5c0fc015..f3cd3f1bb28 100644
--- a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs
+++ b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs
@@ -84,7 +84,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedIoAmount {
     /// get desugared to match.
     fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'tcx>) {
         let fn_def_id = block.hir_id.owner.to_def_id();
-        if let Some(impl_id) = cx.tcx.impl_of_method(fn_def_id)
+        if let Some(impl_id) = cx.tcx.impl_of_assoc(fn_def_id)
             && let Some(trait_id) = cx.tcx.trait_id_of_impl(impl_id)
         {
             // We don't want to lint inside io::Read or io::Write implementations, as the author has more
diff --git a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs
index 9d38672efad..eb3f442ac75 100644
--- a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs
+++ b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs
@@ -51,7 +51,7 @@ impl ops::BitOrAssign for EagernessSuggestion {
 fn fn_eagerness(cx: &LateContext<'_>, fn_id: DefId, name: Symbol, have_one_arg: bool) -> EagernessSuggestion {
     use EagernessSuggestion::{Eager, Lazy, NoChange};
 
-    let ty = match cx.tcx.impl_of_method(fn_id) {
+    let ty = match cx.tcx.impl_of_assoc(fn_id) {
         Some(id) => cx.tcx.type_of(id).instantiate_identity(),
         None => return Lazy,
     };
diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs
index 211af4d5b08..67e09e772a7 100644
--- a/src/tools/clippy/clippy_utils/src/lib.rs
+++ b/src/tools/clippy/clippy_utils/src/lib.rs
@@ -357,7 +357,7 @@ pub fn is_inherent_method_call(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
 
 /// Checks if a method is defined in an impl of a diagnostic item
 pub fn is_diag_item_method(cx: &LateContext<'_>, def_id: DefId, diag_item: Symbol) -> bool {
-    if let Some(impl_did) = cx.tcx.impl_of_method(def_id)
+    if let Some(impl_did) = cx.tcx.impl_of_assoc(def_id)
         && let Some(adt) = cx.tcx.type_of(impl_did).instantiate_identity().ty_adt_def()
     {
         return cx.tcx.is_diagnostic_item(diag_item, adt.did());
@@ -620,7 +620,7 @@ fn is_default_equivalent_ctor(cx: &LateContext<'_>, def_id: DefId, path: &QPath<
 
     if let QPath::TypeRelative(_, method) = path
         && method.ident.name == sym::new
-        && let Some(impl_did) = cx.tcx.impl_of_method(def_id)
+        && let Some(impl_did) = cx.tcx.impl_of_assoc(def_id)
         && let Some(adt) = cx.tcx.type_of(impl_did).instantiate_identity().ty_adt_def()
     {
         return std_types_symbols.iter().any(|&symbol| {