src/test/ui/suggestions/suggest-change-mut.stderr

   1 error[E0277]: the trait bound `&T: std::io::Read` is not satisfied
   2   --> $DIR/suggest-change-mut.rs:12:48
   3    |
   4 LL |         let mut stream_reader = BufReader::new(&stream);
   5    |                                                ^^^^^^^ the trait `std::io::Read` is not implemented for `&T`
   6    |
   7    = note: required by `BufReader::<R>::new`
   8 help: consider removing the leading `&`-reference
   9    |
  10 LL |         let mut stream_reader = BufReader::new(stream);
  11    |                                               --
  12 help: consider introducing a `where` bound, but there might be an alternative better way to express this requirement
  13    |
  14 LL | fn issue_81421<T: Read + Write>(mut stream: T) where &T: std::io::Read {
  15    |                                                ^^^^^^^^^^^^^^^^^^^^^^^
  16 help: consider changing this borrow's mutability
  17    |
  18 LL |         let mut stream_reader = BufReader::new(&mut stream);
  19    |                                                ^^^^
  20
  21 error[E0599]: the method `read_until` exists for struct `BufReader<&T>`, but its trait bounds were not satisfied
  22   --> $DIR/suggest-change-mut.rs:16:23
  23    |
  24 LL |         stream_reader.read_until(b'\n', &mut buffer).expect("Reading into buffer failed");
  25    |                       ^^^^^^^^^^ method cannot be called on `BufReader<&T>` due to unsatisfied trait bounds
  26    |
  27   ::: $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL
  28    |
  29 LL | pub struct BufReader<R> {
  30    | ----------------------- doesn't satisfy `BufReader<&T>: BufRead`
  31    |
  32    = note: the following trait bounds were not satisfied:
  33            `&T: std::io::Read`
  34            which is required by `BufReader<&T>: BufRead`
  35
  36 error: aborting due to 2 previous errors
  37
  38 Some errors have detailed explanations: E0277, E0599.
  39 For more information about an error, try `rustc --explain E0277`.