error: return type should be `!`
  --> $DIR/issue-54505-no-std.rs:20:20
   |
LL | fn panic_handler() {}
   |                    ^

error: function should have one argument
  --> $DIR/issue-54505-no-std.rs:20:1
   |
LL | fn panic_handler() {}
   | ^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
  --> $DIR/issue-54505-no-std.rs:29:16
   |
LL |     take_range(0..1);
   |     ---------- ^^^^
   |     |          |
   |     |          expected reference, found struct `Range`
   |     |          help: consider borrowing here: `&(0..1)`
   |     arguments to this function are incorrect
   |
   = note: expected reference `&_`
                 found struct `Range<{integer}>`
note: function defined here
  --> $DIR/issue-54505-no-std.rs:25:4
   |
LL | fn take_range(_r: &impl RangeBounds<i8>) {}
   |    ^^^^^^^^^^ -------------------------

error[E0308]: mismatched types
  --> $DIR/issue-54505-no-std.rs:34:16
   |
LL |     take_range(1..);
   |     ---------- ^^^
   |     |          |
   |     |          expected reference, found struct `RangeFrom`
   |     |          help: consider borrowing here: `&(1..)`
   |     arguments to this function are incorrect
   |
   = note: expected reference `&_`
                 found struct `RangeFrom<{integer}>`
note: function defined here
  --> $DIR/issue-54505-no-std.rs:25:4
   |
LL | fn take_range(_r: &impl RangeBounds<i8>) {}
   |    ^^^^^^^^^^ -------------------------

error[E0308]: mismatched types
  --> $DIR/issue-54505-no-std.rs:39:16
   |
LL |     take_range(..);
   |     ---------- ^^
   |     |          |
   |     |          expected reference, found struct `RangeFull`
   |     |          help: consider borrowing here: `&(..)`
   |     arguments to this function are incorrect
   |
   = note: expected reference `&_`
                 found struct `RangeFull`
note: function defined here
  --> $DIR/issue-54505-no-std.rs:25:4
   |
LL | fn take_range(_r: &impl RangeBounds<i8>) {}
   |    ^^^^^^^^^^ -------------------------

error[E0308]: mismatched types
  --> $DIR/issue-54505-no-std.rs:44:16
   |
LL |     take_range(0..=1);
   |     ---------- ^^^^^
   |     |          |
   |     |          expected reference, found struct `RangeInclusive`
   |     |          help: consider borrowing here: `&(0..=1)`
   |     arguments to this function are incorrect
   |
   = note: expected reference `&_`
                 found struct `RangeInclusive<{integer}>`
note: function defined here
  --> $DIR/issue-54505-no-std.rs:25:4
   |
LL | fn take_range(_r: &impl RangeBounds<i8>) {}
   |    ^^^^^^^^^^ -------------------------

error[E0308]: mismatched types
  --> $DIR/issue-54505-no-std.rs:49:16
   |
LL |     take_range(..5);
   |     ---------- ^^^
   |     |          |
   |     |          expected reference, found struct `RangeTo`
   |     |          help: consider borrowing here: `&(..5)`
   |     arguments to this function are incorrect
   |
   = note: expected reference `&_`
                 found struct `RangeTo<{integer}>`
note: function defined here
  --> $DIR/issue-54505-no-std.rs:25:4
   |
LL | fn take_range(_r: &impl RangeBounds<i8>) {}
   |    ^^^^^^^^^^ -------------------------

error[E0308]: mismatched types
  --> $DIR/issue-54505-no-std.rs:54:16
   |
LL |     take_range(..=42);
   |     ---------- ^^^^^
   |     |          |
   |     |          expected reference, found struct `RangeToInclusive`
   |     |          help: consider borrowing here: `&(..=42)`
   |     arguments to this function are incorrect
   |
   = note: expected reference `&_`
                 found struct `RangeToInclusive<{integer}>`
note: function defined here
  --> $DIR/issue-54505-no-std.rs:25:4
   |
LL | fn take_range(_r: &impl RangeBounds<i8>) {}
   |    ^^^^^^^^^^ -------------------------

error: aborting due to 8 previous errors

For more information about this error, try `rustc --explain E0308`.