{ err:
   Error: foo
   bar
       at *util_inspect_error*
       at *
       at *
       at *
       at *
       at *
       at *
  nested:
   { err:
      Error: foo
      bar
          at *util_inspect_error*
          at *
          at *
          at *
          at *
          at *
          at *
{
  err: Error: foo
  bar
      at *util_inspect_error*
      at *
      at *
      at *
      at *
      at *
      at *
  nested: {
    err: Error: foo
    bar
        at *util_inspect_error*
        at *
        at *
        at *
        at *
        at *
        at *
  }
}
{ Error: foo
bar
    at *util_inspect_error*
    at *
    at *
    at *
    at *
    at *
    at *
  foo: 'bar' }