conflicting implementations of trait `Borrow<std::option::Option<_>>` for type `Body<_, _>`

[MaxKingPor]

#[derive(Debug, Default)]
pub struct Body<C, R> {
    content: Option<C>,
    resp: Option<R>,
}

impl<C, R> Deref for Body<C, R> {
    type Target = Option<C>;
    fn deref(&self) -> &Self::Target {
        self.borrow()
    }
}
impl<C, R> DerefMut for Body<C, R> {
    fn deref_mut(&mut self) -> &mut Self::Target {
        self.borrow_mut()
    }
}

impl<C, R> Borrow<Option<C>> for Body<C, R> {
    fn borrow(&self) -> &Option<C> {
        &self.content
    }
}
impl<C, R> BorrowMut<Option<C>> for Body<C, R> {
    fn borrow_mut(&mut self) -> &mut Option<C> {
        &mut self.content
    }
}
impl<C, R> Borrow<Option<R>> for Body<C, R> {
    fn borrow(&self) -> &Option<R> {
        &self.resp
    }
}
impl<C, R> BorrowMut<Option<R>> for Body<C, R> {
    fn borrow_mut(&mut self) -> &mut Option<R> {
        &mut self.resp
    }
}

out

error[E0119]: conflicting implementations of trait `Borrow<std::option::Option<_>>` for type `Body<_, _>`
   --> model/src/customer.rs:117:1
    |
107 | impl<C, R> Borrow<Option<C>> for Body<C, R> {
    | ---------------------------------------------- first implementation here
...
117 | impl<C, R> Borrow<Option<R>> for Body<C, R> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Body<_, _>`

error[E0119]: conflicting implementations of trait `BorrowMut<std::option::Option<_>>` for type `Body<_, _>`
   --> model/src/customer.rs:122:1
    |
112 | impl<C, R> BorrowMut<Option<C>> for Body<C, R> {
    | ------------------------------------------------- first implementation here
...
122 | impl<C, R> BorrowMut<Option<R>> for Body<C, R> {
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Body<_, _>`

For more information about this error, try `rustc --explain E0119`.

[SkiFire13]

This is expected, although the error could be better. There are actually conflicting implementations of Borrow<Option<T>> for Body<T, T> (notice the same T!)