error[E0106]: missing lifetime specifier
  --> $DIR/issue-26638.rs:1:62
   |
LL | fn parse_type(iter: Box<dyn Iterator<Item=&str>+'static>) -> &str { iter.next() }
   |                                                              ^ expected lifetime parameter
   |
   = help: this function's return type contains a borrowed value, but the signature does not say which one of `iter`'s 2 lifetimes it is borrowed from

error[E0106]: missing lifetime specifier
  --> $DIR/issue-26638.rs:4:40
   |
LL | fn parse_type_2(iter: fn(&u8)->&u8) -> &str { iter() }
   |                                        ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
   |
   = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments

error[E0106]: missing lifetime specifier
  --> $DIR/issue-26638.rs:7:22
   |
LL | fn parse_type_3() -> &str { unimplemented!() }
   |                      ^ help: consider giving it a 'static lifetime: `&'static`
   |
   = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0106`.