`R CMD check` warning with replacement method

[hadley]

In tidyverse/stringr#578, which contains:

#' @export
method(`[<-`, stringr_view) <- function(x, i, ..., value) {
  data <- S7_data(x)
  data[i, ...] <- value

  stringr_view(data, id = x@id)
}

I see:

W  checking replacement functions ...
   Error in get(f, envir = code_env) : invalid first argument
   Calls: <Anonymous> -> Filter -> unlist -> lapply -> FUN -> get
   Execution halted
   The argument of a replacement function which corresponds to the right
   hand side must be named ‘value’.

Removing the ... didn't make the problem go away, so I'm a bit mystified by the error. It's possibly a bug in R CMD check?