error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:11:11
   |
LL |     bad1: Rc<String>,
   |           ^^^^^^^^^^ help: try: `Rc<str>`
   |
   = note: `-D clippy::rc-buffer` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::rc_buffer)]`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:12:11
   |
LL |     bad2: Rc<PathBuf>,
   |           ^^^^^^^^^^^ help: try: `Rc<std::path::Path>`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:13:11
   |
LL |     bad3: Rc<Vec<u8>>,
   |           ^^^^^^^^^^^ help: try: `Rc<[u8]>`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:14:11
   |
LL |     bad4: Rc<OsString>,
   |           ^^^^^^^^^^^^ help: try: `Rc<std::ffi::OsStr>`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:20:17
   |
LL | fn func_bad1(_: Rc<String>) {}
   |                 ^^^^^^^^^^ help: try: `Rc<str>`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:21:17
   |
LL | fn func_bad2(_: Rc<PathBuf>) {}
   |                 ^^^^^^^^^^^ help: try: `Rc<std::path::Path>`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:22:17
   |
LL | fn func_bad3(_: Rc<Vec<u8>>) {}
   |                 ^^^^^^^^^^^ help: try: `Rc<[u8]>`

error: usage of `Rc<T>` when T is a buffer type
  --> $DIR/rc_buffer.rs:23:17
   |
LL | fn func_bad4(_: Rc<OsString>) {}
   |                 ^^^^^^^^^^^^ help: try: `Rc<std::ffi::OsStr>`

error: aborting due to 8 previous errors