error: passing `Ty<'_>` by reference --> $DIR/rustc_pass_by_value.rs:14:13 | LL | ty_ref: &Ty<'_>, | ^^^^^^^ help: try passing by value: `Ty<'_>` | note: the lint level is defined here --> $DIR/rustc_pass_by_value.rs:5:9 | LL | #![deny(rustc::pass_by_value)] | ^^^^^^^^^^^^^^^^^^^^ error: passing `TyCtxt<'_>` by reference --> $DIR/rustc_pass_by_value.rs:16:18 | LL | ty_ctxt_ref: &TyCtxt<'_>, | ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>` error: passing `Ty<'_>` by reference --> $DIR/rustc_pass_by_value.rs:20:28 | 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:20:55 | 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:27:17 | LL | ty_ref: &Ty<'_>, | ^^^^^^^ help: try passing by value: `Ty<'_>` error: passing `TyCtxt<'_>` by reference --> $DIR/rustc_pass_by_value.rs:29:22 | LL | ty_ctxt_ref: &TyCtxt<'_>, | ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>` error: passing `Ty<'_>` by reference --> $DIR/rustc_pass_by_value.rs:32:41 | 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:32:68 | 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:54:17 | LL | ty_ref: &Ty<'_>, | ^^^^^^^ help: try passing by value: `Ty<'_>` error: passing `TyCtxt<'_>` by reference --> $DIR/rustc_pass_by_value.rs:56:22 | LL | ty_ctxt_ref: &TyCtxt<'_>, | ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>` error: passing `Ty<'_>` by reference --> $DIR/rustc_pass_by_value.rs:60:38 | 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:60:65 | LL | fn ty_multi_ref_assoc(ty_multi: &&Ty<'_>, ty_ctxt_multi: &&&&TyCtxt<'_>) {} | ^^^^^^^^^^^ help: try passing by value: `TyCtxt<'_>` error: passing `CustomEnum` by reference --> $DIR/rustc_pass_by_value.rs:74:20 | LL | reference: &CustomEnum, | ^^^^^^^^^^^ help: try passing by value: `CustomEnum` error: passing `CustomStruct` by reference --> $DIR/rustc_pass_by_value.rs:85:24 | LL | type CustomAlias<'a> = &'a CustomStruct; | ^^^^^^^^^^^^^^^^ help: try passing by value: `CustomStruct` error: passing `CustomStruct` by reference --> $DIR/rustc_pass_by_value.rs:90:20 | LL | reference: &CustomStruct, | ^^^^^^^^^^^^^ help: try passing by value: `CustomStruct` error: passing `CustomAlias<'_>` by reference --> $DIR/rustc_pass_by_value.rs:96:20 | LL | reference: &CustomAlias, | ^^^^^^^^^^^^ help: try passing by value: `CustomAlias<'_>` error: passing `WithParameters` by reference --> $DIR/rustc_pass_by_value.rs:110:20 | LL | reference: &'a WithParameters, | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try passing by value: `WithParameters` error: passing `WithParameters` by reference --> $DIR/rustc_pass_by_value.rs:111:27 | LL | reference_with_m: &WithParameters, | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try passing by value: `WithParameters` error: passing `WithParameters` by reference --> $DIR/rustc_pass_by_value.rs:112:10 | LL | ) -> &'a WithParameters { | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try passing by value: `WithParameters` error: passing `WithParameters<_, 1>` by reference --> $DIR/rustc_pass_by_value.rs:114:22 | LL | reference as &WithParameters<_, 1> | ^^^^^^^^^^^^^^^^^^^^^ help: try passing by value: `WithParameters<_, 1>` error: aborting due to 20 previous errors