error[E0390]: only a single inherent implementation marked with `#[lang = "u8"]` is allowed for the `u8` primitive
  --> $DIR/kinds-of-primitive-impl.rs:1:1
   |
LL | / impl u8 {
LL | |
LL | |     pub const B: u8 = 0;
LL | | }
   | |_^
   |
   = help: consider using a trait to implement this constant

error[E0390]: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive
  --> $DIR/kinds-of-primitive-impl.rs:6:1
   |
LL | / impl str {
LL | |
LL | |     fn foo() {}
LL | |     fn bar(self) {}
LL | | }
   | |_^
   |
   = help: consider using a trait to implement these methods

error[E0390]: only a single inherent implementation marked with `#[lang = "char"]` is allowed for the `char` primitive
  --> $DIR/kinds-of-primitive-impl.rs:12:1
   |
LL | / impl char {
LL | |
LL | |     pub const B: u8 = 0;
LL | |     pub const C: u8 = 0;
LL | |     fn foo() {}
LL | |     fn bar(self) {}
LL | | }
   | |_^
   |
   = help: consider using a trait to implement these associated items

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0390`.