PS Почитал, все предсказуемо заканчивается тем
wasmer_download_file() {
  url="$1"
  destination="$2"

  # echo "Fetching $url.."
  if test -x "$(command -v curl)"; then
    if [ "$WASMER_INSTALL_LOG" = "$WASMER_VERBOSE" ]; then
      code=$(curl --progress-bar -w '%{http_code}' -L "$url" -o "$destination")
      printf "\033[K\n\033[1A"
    else
      code=$(curl -s -w '%{http_code}' -L "$url" -o "$destination")
    fi
  elif test -x "$(command -v wget)"; then
    if [ "$WASMER_INSTALL_LOG" = "$WASMER_VERBOSE" ]; then
      code=$(wget --show-progress --progress=bar:force:noscroll -q -O "$destination" --server-response "$url" 2>&1 | awk '/^  HTTP/{print $2}' | tail -1)
      printf "\033[K\n\033[1A"
    else
      code=$(wget --quiet -O "$destination" --server-response "$url" 2>&1 | awk '/^  HTTP/{print $2}' | tail -1)
    fi
  else
    wasmer_error "Neither curl nor wget was available to perform http requests."
    return 1
  fi

  if [ "$code" = 404 ]; then
    wasmer_error "Your platform is not yet supported ($OS-$ARCH).$reset\nPlease open an issue on the project if you would like to use wasmer in your project: https://github.com/wasmerio/wasmer"
    return 1
  elif [ "$code" != 200 ]; then
    wasmer_error "File download failed with code $code"
    return 1
  fi
  return 0
}
Что В конце все равно тебе  прилетает блоб.   Немного предсказуемо,бгг