error[E0425]: cannot find value `some_fn` in this scope
  --> $DIR/ice-unsized-tuple-const-issue-121443.rs:8:18
   |
LL | const TEST: Fn = some_fn;
   |                  ^^^^^^^ not found in this scope

error[E0277]: the size for values of type `(dyn FnOnce() -> u8 + 'static)` cannot be known at compilation time
  --> $DIR/ice-unsized-tuple-const-issue-121443.rs:8:13
   |
LL | const TEST: Fn = some_fn;
   |             ^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `(dyn FnOnce() -> u8 + 'static)`

error[E0277]: the size for values of type `(dyn FnOnce() -> u8 + 'static)` cannot be known at compilation time
  --> $DIR/ice-unsized-tuple-const-issue-121443.rs:8:18
   |
LL | const TEST: Fn = some_fn;
   |                  ^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `(dyn FnOnce() -> u8 + 'static)`
   = note: constant expressions must have a statically known size

error[E0277]: the size for values of type `(dyn FnOnce() -> u8 + 'static)` cannot be known at compilation time
  --> $DIR/ice-unsized-tuple-const-issue-121443.rs:12:14
   |
LL | const TEST2: (Fn, u8) = (TEST, 0);
   |              ^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `(dyn FnOnce() -> u8 + 'static)`
   = note: only the last element of a tuple may have a dynamically sized type

error[E0277]: the size for values of type `(dyn FnOnce() -> u8 + 'static)` cannot be known at compilation time
  --> $DIR/ice-unsized-tuple-const-issue-121443.rs:12:25
   |
LL | const TEST2: (Fn, u8) = (TEST, 0);
   |                         ^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `(dyn FnOnce() -> u8 + 'static)`
   = note: only the last element of a tuple may have a dynamically sized type

error: aborting due to 5 previous errors

Some errors have detailed explanations: E0277, E0425.
For more information about an error, try `rustc --explain E0277`.