(diagnostic
  (schema slovo.diagnostic)
  (version 1)
  (severity error)
  (code UnsupportedArrayElementType)
  (message "fixed arrays support direct scalar `i32`, `i64`, `u32`, `u64`, `f64`, `bool`, `string`, direct known enum, or current known non-recursive struct elements")
  (file "<fixture>")
  (span
    (bytes 51 67)
    (range 5 17 5 33)
  )
  (expected "i32, i64, u32, u64, f64, bool, string, direct known enum, or current known non-recursive struct type")
  (found "(array string 1)")
)