error: Only the last positional argument may be `Option`, `Vec`, or defaulted.
 --> tests/ui/conflicting-tails/positional-and-greedy.rs:4:5
  |
4 |     #[argp(positional)]
  |     ^

error: Later positional argument declared here.
 --> tests/ui/conflicting-tails/positional-and-greedy.rs:8:5
  |
8 |     #[argp(positional, greedy)]
  |     ^
