pint.error --no-color lint rules
! stdout .
cmp stderr stderr.txt

-- stderr.txt --
level=INFO msg="Loading configuration file" path=.pint.hcl
level=INFO msg="Finding all rules to check" paths=["rules"]
rules/0001.yml:4 Bug: annotation_.* annotation value must match "^bar$" (alerts/annotation)
 4 |     annotation_foo: foo

level=INFO msg="Problems found" Bug=1
level=ERROR msg="Fatal error" err="found 1 problem(s) with severity Bug or higher"
-- rules/0001.yml --
- alert: Instance Is Down 1
  expr: up == 0
  annotations:
    annotation_foo: foo
    annotation_bar: bar

-- .pint.hcl --
parser {
  relaxed = [".*"]
}
rule {
  annotation "annotation_.*" {
    required = true
    value    = "bar"
    severity = "bug"
  }
}
