The method `lines` exists for struct `BufReader<R>`, but its trait bounds were not satisfied

help
1

Hello, I'm getting following error:

error[E0599]: the method `lines` exists for struct `BufReader<R>`, but its trait bounds were not satisfied
  --> src\test\mod.rs:34:46
   |
34 |         let lines: Vec<String> = self.reader.lines().collect::<Result<_, _>>().unwrap();
   |                                              ^^^^^ method cannot be called on `BufReader<R>` due to unsatisfied trait bounds
   |
  ::: C:\Users\42072\.rustup\toolchains\stable-x86_64-pc-windows-msvc\lib/rustlib/src/rust\library\std\src\io\buffered\bufreader.rs:49:1
   |
49 | pub struct BufReader<R> {
   | ----------------------- doesn't satisfy `BufReader<R>: BufRead`
   |
   = note: the following trait bounds were not satisfied:
           `R: std::io::Read`
           which is required by `BufReader<R>: BufRead`
           `BufReader<R>: BufRead`
           which is required by `&mut BufReader<R>: BufRead`

And have no idea how to fix it
I would be glad for any help
Code: Rust Playground

2

You can only call lines if R implements Read.

impl<R> Text<R>
where
    R: Read,
{
3

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