src/test/ui/traits/self-without-lifetime-constraint.stderr

   1 error: `impl` item signature doesn't match `trait` item signature
   2   --> $DIR/self-without-lifetime-constraint.rs:45:5
   3    |
   4 LL |     fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self, &Self>;
   5    |     -------------------------------------------------------------------- expected `fn(ValueRef<'_>) -> Result<(&str, &&str), FromSqlError>`
   6 ...
   7 LL |     fn column_result(value: ValueRef<'_>) -> FromSqlResult<&str, &&str> {
   8    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(ValueRef<'_>) -> Result<(&str, &&str), FromSqlError>`
   9    |
  10    = note: expected `fn(ValueRef<'_>) -> Result<(&str, &&str), _>`
  11               found `fn(ValueRef<'_>) -> Result<(&str, &&str), _>`
  12 help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait`
  13   --> $DIR/self-without-lifetime-constraint.rs:41:60
  14    |
  15 LL |     fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self, &Self>;
  16    |                                                            ^^^^ consider borrowing this type parameter in the trait
  17
  18 error: aborting due to previous error
  19