error: these bounds contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:7:15
   |
LL | fn bad_foo<T: Clone + Clone + Clone + Copy, U: Clone + Copy>(arg0: T, argo1: U) {
   |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Clone + Copy`
   |
note: the lint level is defined here
  --> tests/ui/trait_duplication_in_bounds.rs:1:9
   |
LL | #![deny(clippy::trait_duplication_in_bounds)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: these where clauses contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:14:8
   |
LL |     T: Clone + Clone + Clone + Copy,
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Clone + Copy`

error: these bounds contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:43:26
   |
LL | trait BadSelfTraitBound: Clone + Clone + Clone {
   |                          ^^^^^^^^^^^^^^^^^^^^^ help: try: `Clone`

error: these where clauses contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:51:15
   |
LL |         Self: Clone + Clone + Clone;
   |               ^^^^^^^^^^^^^^^^^^^^^ help: try: `Clone`

error: these bounds contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:66:24
   |
LL | trait BadTraitBound<T: Clone + Clone + Clone + Copy, U: Clone + Copy> {
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Clone + Copy`

error: these where clauses contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:74:12
   |
LL |         T: Clone + Clone + Clone + Copy,
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Clone + Copy`

error: these bounds contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:108:19
   |
LL | fn bad_generic<T: GenericTrait<u64> + GenericTrait<u32> + GenericTrait<u64>>(arg0: T) {
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GenericTrait<u64> + GenericTrait<u32>`

error: these bounds contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:117:22
   |
LL | fn qualified_path<T: std::clone::Clone + Clone + foo::Clone>(arg0: T) {
   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `std::clone::Clone + foo::Clone`

error: this trait bound is already specified in trait declaration
  --> tests/ui/trait_duplication_in_bounds.rs:126:33
   |
LL | fn bad_trait_object(arg0: &(dyn Any + Send + Send)) {
   |                                 ^^^^^^^^^^^^^^^^^ help: try: `Any + Send`

error: these bounds contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:174:36
   |
LL | const fn const_trait_bounds_bad<T: ~const ConstTrait + ~const ConstTrait>() {}
   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `~const ConstTrait`

error: these where clauses contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:181:8
   |
LL |     T: IntoIterator<Item = U::Owned> + IntoIterator<Item = U::Owned>,
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `IntoIterator<Item = U::Owned>`

error: these where clauses contain repeated elements
  --> tests/ui/trait_duplication_in_bounds.rs:203:8
   |
LL |     T: AssocConstTrait<ASSOC = 0> + AssocConstTrait<ASSOC = 0>,
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `AssocConstTrait<ASSOC = 0>`

error: aborting due to 12 previous errors