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