error: passing `Ty<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:13:13
   |
LL |     ty_ref: &Ty<'_>,
   |             ^^^^^^^ help: try passing by value: `Ty<'_>`
   |
note: the lint level is defined here
  --> $DIR/rustc_pass_by_value.rs:4:9
   |
LL | #![deny(rustc::pass_by_value)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: passing `TyCtxt<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:15:18
   |
LL |     ty_ctxt_ref: &TyCtxt<'_>,
   |                  ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>`

error: passing `Ty<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:19:28
   |
LL | fn ty_multi_ref(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>) {}
   |                            ^^^^^^^ help: try passing by value: `Ty<'_>`

error: passing `TyCtxt<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:19:55
   |
LL | fn ty_multi_ref(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>) {}
   |                                                       ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>`

error: passing `Ty<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:26:17
   |
LL |         ty_ref: &Ty<'_>,
   |                 ^^^^^^^ help: try passing by value: `Ty<'_>`

error: passing `TyCtxt<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:28:22
   |
LL |         ty_ctxt_ref: &TyCtxt<'_>,
   |                      ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>`

error: passing `Ty<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:31:41
   |
LL |     fn ty_multi_ref_in_trait(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>);
   |                                         ^^^^^^^ help: try passing by value: `Ty<'_>`

error: passing `TyCtxt<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:31:68
   |
LL |     fn ty_multi_ref_in_trait(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>);
   |                                                                    ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>`

error: passing `Ty<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:53:17
   |
LL |         ty_ref: &Ty<'_>,
   |                 ^^^^^^^ help: try passing by value: `Ty<'_>`

error: passing `TyCtxt<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:55:22
   |
LL |         ty_ctxt_ref: &TyCtxt<'_>,
   |                      ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>`

error: passing `Ty<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:59:38
   |
LL |     fn ty_multi_ref_assoc(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>) {}
   |                                      ^^^^^^^ help: try passing by value: `Ty<'_>`

error: passing `TyCtxt<'_>` by reference
  --> $DIR/rustc_pass_by_value.rs:59:65
   |
LL |     fn ty_multi_ref_assoc(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>) {}
   |                                                                 ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>`

error: aborting due to 12 previous errors