error[E0369]: cannot add `A` to `A`
  --> $DIR/issue-28837.rs:6:7
   |
LL |     a + a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `Add<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Add<_>`
note: the trait `Add` must be implemented
  --> $SRC_DIR/core/src/ops/arith.rs:LL:COL

error[E0369]: cannot subtract `A` from `A`
  --> $DIR/issue-28837.rs:8:7
   |
LL |     a - a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `Sub<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Sub<_>`
note: the trait `Sub` must be implemented
  --> $SRC_DIR/core/src/ops/arith.rs:LL:COL

error[E0369]: cannot multiply `A` by `A`
  --> $DIR/issue-28837.rs:10:7
   |
LL |     a * a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `Mul<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Mul<_>`
note: the trait `Mul` must be implemented
  --> $SRC_DIR/core/src/ops/arith.rs:LL:COL

error[E0369]: cannot divide `A` by `A`
  --> $DIR/issue-28837.rs:12:7
   |
LL |     a / a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `Div<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Div<_>`
note: the trait `Div` must be implemented
  --> $SRC_DIR/core/src/ops/arith.rs:LL:COL

error[E0369]: cannot calculate the remainder of `A` divided by `A`
  --> $DIR/issue-28837.rs:14:7
   |
LL |     a % a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `Rem<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Rem<_>`
note: the trait `Rem` must be implemented
  --> $SRC_DIR/core/src/ops/arith.rs:LL:COL

error[E0369]: no implementation for `A & A`
  --> $DIR/issue-28837.rs:16:7
   |
LL |     a & a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `BitAnd<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `BitAnd<_>`
note: the trait `BitAnd` must be implemented
  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL

error[E0369]: no implementation for `A | A`
  --> $DIR/issue-28837.rs:18:7
   |
LL |     a | a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `BitOr<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `BitOr<_>`
note: the trait `BitOr` must be implemented
  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL

error[E0369]: no implementation for `A << A`
  --> $DIR/issue-28837.rs:20:7
   |
LL |     a << a;
   |     - ^^ - A
   |     |
   |     A
   |
note: an implementation of `Shl<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Shl<_>`
note: the trait `Shl` must be implemented
  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL

error[E0369]: no implementation for `A >> A`
  --> $DIR/issue-28837.rs:22:7
   |
LL |     a >> a;
   |     - ^^ - A
   |     |
   |     A
   |
note: an implementation of `Shr<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `Shr<_>`
note: the trait `Shr` must be implemented
  --> $SRC_DIR/core/src/ops/bit.rs:LL:COL

error[E0369]: binary operation `==` cannot be applied to type `A`
  --> $DIR/issue-28837.rs:24:7
   |
LL |     a == a;
   |     - ^^ - A
   |     |
   |     A
   |
note: an implementation of `PartialEq<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `PartialEq<_>`
help: consider annotating `A` with `#[derive(PartialEq)]`
   |
LL | #[derive(PartialEq)]
   |

error[E0369]: binary operation `!=` cannot be applied to type `A`
  --> $DIR/issue-28837.rs:26:7
   |
LL |     a != a;
   |     - ^^ - A
   |     |
   |     A
   |
note: an implementation of `PartialEq<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `PartialEq<_>`
help: consider annotating `A` with `#[derive(PartialEq)]`
   |
LL | #[derive(PartialEq)]
   |

error[E0369]: binary operation `<` cannot be applied to type `A`
  --> $DIR/issue-28837.rs:28:7
   |
LL |     a < a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `PartialOrd<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `PartialOrd<_>`
help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]`
   |
LL | #[derive(PartialEq, PartialOrd)]
   |

error[E0369]: binary operation `<=` cannot be applied to type `A`
  --> $DIR/issue-28837.rs:30:7
   |
LL |     a <= a;
   |     - ^^ - A
   |     |
   |     A
   |
note: an implementation of `PartialOrd<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `PartialOrd<_>`
help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]`
   |
LL | #[derive(PartialEq, PartialOrd)]
   |

error[E0369]: binary operation `>` cannot be applied to type `A`
  --> $DIR/issue-28837.rs:32:7
   |
LL |     a > a;
   |     - ^ - A
   |     |
   |     A
   |
note: an implementation of `PartialOrd<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `PartialOrd<_>`
help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]`
   |
LL | #[derive(PartialEq, PartialOrd)]
   |

error[E0369]: binary operation `>=` cannot be applied to type `A`
  --> $DIR/issue-28837.rs:34:7
   |
LL |     a >= a;
   |     - ^^ - A
   |     |
   |     A
   |
note: an implementation of `PartialOrd<_>` might be missing for `A`
  --> $DIR/issue-28837.rs:1:1
   |
LL | struct A;
   | ^^^^^^^^ must implement `PartialOrd<_>`
help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]`
   |
LL | #[derive(PartialEq, PartialOrd)]
   |

error: aborting due to 15 previous errors

For more information about this error, try `rustc --explain E0369`.