message: [error] fix display of error
diff: @@ -41,7 +41,7 @@ pub enum VerifyError {
  #[error("the public input is of an unexpected size (expected {0})")]
  IncorrectPubicInputLength(usize),
  - #[error("the previous challenges have an unexpected length (expected {0}, got {})")]
  + #[error("the previous challenges have an unexpected length (expected {0}, got {1})")]
  IncorrectPrevChallengesLength(usize, usize),
  #[error("the opening proof failed to verify")]
  