error: failed to parse path: "~~~"
  --> tests/ui/remote/bad_getter.rs:12:22
   |
9  | #[derive(Serialize)]
   |          --------- in this derive macro expansion
...
12 |     #[serde(getter = "~~~")]
   |                      ^^^^^
   |
   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)