error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:31:9
   |
LL |         FOO => {}
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:38:9
   |
LL |         FOO_REF => {}
   |         ^^^^^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

warning: to use a constant of type `Foo` in a pattern, `Foo` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:46:9
   |
LL |         FOO_REF_REF => {}
   |         ^^^^^^^^^^^
   |
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #62411 <https://github.com/rust-lang/rust/issues/62411>
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details
   = note: `#[warn(indirect_structural_match)]` on by default

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:54:9
   |
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:62:9
   |
LL |         BAR => {}
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:71:9
   |
LL |         BAR => {}
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Bar` in a pattern, `Bar` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:73:9
   |
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:81:9
   |
LL |         BAZ => {}
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:91:9
   |
LL |         BAZ => {}
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: to use a constant of type `Baz` in a pattern, `Baz` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/consts-opaque.rs:98:9
   |
LL |         BAZ => {}
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: unreachable pattern
  --> $DIR/consts-opaque.rs:33:9
   |
LL |         FOO => {}
   |         --- matches any value
LL |
LL |         _ => {} // should not be emitting unreachable warning
   |         ^ unreachable pattern
   |
note: the lint level is defined here
  --> $DIR/consts-opaque.rs:6:9
   |
LL | #![deny(unreachable_patterns)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/consts-opaque.rs:40:9
   |
LL |         FOO_REF => {}
   |         ------- matches any value
LL |
LL |         Foo(_) => {} // should not be emitting unreachable warning
   |         ^^^^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:54:9
   |
LL |         Bar => {}
   |         --- matches any value
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:57:9
   |
LL |         Bar => {}
   |         --- matches any value
...
LL |         _ => {}
   |         ^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:64:9
   |
LL |         BAR => {}
   |         --- matches any value
LL |
LL |         Bar => {} // should not be emitting unreachable warning
   |         ^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:66:9
   |
LL |         BAR => {}
   |         --- matches any value
...
LL |         _ => {}
   |         ^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:73:9
   |
LL |         BAR => {}
   |         --- matches any value
LL |
LL |         BAR => {} // should not be emitting unreachable warning
   |         ^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:76:9
   |
LL |         BAR => {}
   |         --- matches any value
...
LL |         _ => {} // should not be emitting unreachable warning
   |         ^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:83:9
   |
LL |         BAZ => {}
   |         --- matches any value
LL |
LL |         Baz::Baz1 => {} // should not be emitting unreachable warning
   |         ^^^^^^^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:85:9
   |
LL |         BAZ => {}
   |         --- matches any value
...
LL |         _ => {}
   |         ^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:93:9
   |
LL |         BAZ => {}
   |         --- matches any value
LL |
LL |         _ => {}
   |         ^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:100:9
   |
LL |         BAZ => {}
   |         --- matches any value
LL |
LL |         Baz::Baz2 => {} // should not be emitting unreachable warning
   |         ^^^^^^^^^ unreachable pattern

error: unreachable pattern
  --> $DIR/consts-opaque.rs:102:9
   |
LL |         BAZ => {}
   |         --- matches any value
...
LL |         _ => {} // should not be emitting unreachable warning
   |         ^ unreachable pattern

error[E0004]: non-exhaustive patterns: `Wrap(_)` not covered
  --> $DIR/consts-opaque.rs:135:11
   |
LL |     match WRAPQUUX {
   |           ^^^^^^^^ pattern `Wrap(_)` not covered
   |
note: `Wrap<fn(usize, usize) -> usize>` defined here
  --> $DIR/consts-opaque.rs:117:12
   |
LL |     struct Wrap<T>(T);
   |            ^^^^
   = note: the matched value is of type `Wrap<fn(usize, usize) -> usize>`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
   |
LL ~         WRAPQUUX => {},
LL +         Wrap(_) => todo!()
   |

error: aborting due to 23 previous errors; 1 warning emitted

For more information about this error, try `rustc --explain E0004`.