error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:36:13
   |
LL |     let _ = match_type(cx, ty, &OPTION);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Option)`
   |
note: the lint level is defined here
  --> $DIR/unnecessary_def_path.rs:2:9
   |
LL | #![deny(clippy::internal)]
   |         ^^^^^^^^^^^^^^^^
   = note: `#[deny(clippy::unnecessary_def_path)]` implied by `#[deny(clippy::internal)]`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:37:13
   |
LL |     let _ = match_type(cx, ty, RESULT);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Result)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:38:13
   |
LL |     let _ = match_type(cx, ty, &["core", "result", "Result"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Result)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:42:13
   |
LL |     let _ = clippy_utils::ty::match_type(cx, ty, rc_path);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Rc)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:44:13
   |
LL |     let _ = match_type(cx, ty, &paths::OPTION);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Option)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:45:13
   |
LL |     let _ = match_type(cx, ty, paths::RESULT);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::Result)`

error: use of a def path to a `LangItem`
  --> $DIR/unnecessary_def_path.rs:47:13
   |
LL |     let _ = match_type(cx, ty, &["alloc", "boxed", "Box"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_lang_item(cx, ty, LangItem::OwnedBox)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:48:13
   |
LL |     let _ = match_type(cx, ty, &["core", "mem", "maybe_uninit", "MaybeUninit", "uninit"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_type_diagnostic_item(cx, ty, sym::maybe_uninit_uninit)`

error: use of a def path to a `LangItem`
  --> $DIR/unnecessary_def_path.rs:50:13
   |
LL |     let _ = match_def_path(cx, did, &["alloc", "boxed", "Box"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cx.tcx.lang_items().get(LangItem::OwnedBox) == Some(did)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:51:13
   |
LL |     let _ = match_def_path(cx, did, &["core", "option", "Option"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cx.tcx.is_diagnostic_item(sym::Option, did)`

error: use of a def path to a `LangItem`
  --> $DIR/unnecessary_def_path.rs:52:13
   |
LL |     let _ = match_def_path(cx, did, &["core", "option", "Option", "Some"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `cx.tcx.lang_items().get(LangItem::OptionSome) == Some(did)`
   |
   = help: if this `DefId` came from a constructor expression or pattern then the parent `DefId` should be used instead

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:54:13
   |
LL |     let _ = match_trait_method(cx, expr, &["core", "convert", "AsRef"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_trait_method(cx, expr, sym::AsRef)`

error: use of a def path to a diagnostic item
  --> $DIR/unnecessary_def_path.rs:56:13
   |
LL |     let _ = is_expr_path_def_path(cx, expr, &["core", "option", "Option"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_path_diagnostic_item(cx, expr, sym::Option)`

error: use of a def path to a `LangItem`
  --> $DIR/unnecessary_def_path.rs:57:13
   |
LL |     let _ = is_expr_path_def_path(cx, expr, &["core", "iter", "traits", "Iterator", "next"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `path_res(cx, expr).opt_def_id().map_or(false, |id| cx.tcx.lang_items().get(LangItem::IteratorNext) == Some(id))`

error: use of a def path to a `LangItem`
  --> $DIR/unnecessary_def_path.rs:58:13
   |
LL |     let _ = is_expr_path_def_path(cx, expr, &["core", "option", "Option", "Some"]);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `is_res_lang_ctor(cx, path_res(cx, expr), LangItem::OptionSome)`

error: aborting due to 15 previous errors