src/cmd/go/testdata/script/work_vet.txt

! go vet ./a
stderr 'fmt.Println call has possible formatting directive'

-- go.work --
go 1.18

use ./a
-- a/go.mod --
module example.com/a

go 1.18
-- a/a.go --
package a

import "fmt"

func A() {
    fmt.Println("%s")
}