error: calling `push` with '/' or '/' (file system root) will overwrite the previous path definition
  --> $DIR/path_buf_push_overwrite.rs:7:12
   |
LL |     x.push("/bar");
   |            ^^^^^^ help: try: `"bar"`
   |
   = note: `-D clippy::path-buf-push-overwrite` implied by `-D warnings`

error: aborting due to previous error