error: unexpected `,` in pattern
  --> $DIR/feature-gate-never_patterns.rs:33:16
   |
LL |         Some(_),
   |                ^
   |
help: try adding parentheses to match on a tuple...
   |
LL |         (Some(_),)
   |         +        +
help: ...or a vertical bar to match on multiple alternatives
   |
LL |         Some(_) |
   |

error[E0658]: `!` patterns are experimental
  --> $DIR/feature-gate-never_patterns.rs:8:24
   |
LL |     let (Ok(_x) | Err(&!)) = res.as_ref();
   |                        ^
   |
   = note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
   = help: add `#![feature(never_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `!` patterns are experimental
  --> $DIR/feature-gate-never_patterns.rs:14:13
   |
LL |             !
   |             ^
   |
   = note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
   = help: add `#![feature(never_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `!` patterns are experimental
  --> $DIR/feature-gate-never_patterns.rs:20:13
   |
LL |             !
   |             ^
   |
   = note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
   = help: add `#![feature(never_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `!` patterns are experimental
  --> $DIR/feature-gate-never_patterns.rs:25:13
   |
LL |             ! => {}
   |             ^
   |
   = note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
   = help: add `#![feature(never_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error: `match` arm with no body
  --> $DIR/feature-gate-never_patterns.rs:38:9
   |
LL |         Some(_)
   |         ^^^^^^^- help: add a body after the pattern: `=> todo!(),`

error: `match` arm with no body
  --> $DIR/feature-gate-never_patterns.rs:43:9
   |
LL |         Some(_) if false,
   |         ^^^^^^^- help: add a body after the pattern: `=> todo!(),`

error: `match` arm with no body
  --> $DIR/feature-gate-never_patterns.rs:45:9
   |
LL |         Some(_) if false
   |         ^^^^^^^- help: add a body after the pattern: `=> todo!(),`

error[E0658]: `!` patterns are experimental
  --> $DIR/feature-gate-never_patterns.rs:50:13
   |
LL |         Err(!),
   |             ^
   |
   = note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
   = help: add `#![feature(never_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error[E0658]: `!` patterns are experimental
  --> $DIR/feature-gate-never_patterns.rs:54:13
   |
LL |         Err(!) if false,
   |             ^
   |
   = note: see issue #118155 <https://github.com/rust-lang/rust/issues/118155> for more information
   = help: add `#![feature(never_patterns)]` to the crate attributes to enable
   = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date

error: `match` arm with no body
  --> $DIR/feature-gate-never_patterns.rs:64:9
   |
LL |         Some(_)
   |         ^^^^^^^- help: add a body after the pattern: `=> todo!(),`

error: `match` arm with no body
  --> $DIR/feature-gate-never_patterns.rs:70:9
   |
LL |         Some(_) if false
   |         ^^^^^^^- help: add a body after the pattern: `=> todo!(),`

error: a guard on a never pattern will never be run
  --> $DIR/feature-gate-never_patterns.rs:54:19
   |
LL |         Err(!) if false,
   |                   ^^^^^ help: remove this guard

error: aborting due to 13 previous errors

For more information about this error, try `rustc --explain E0658`.