given:
        def taskOutput = file("outputDir").createDir()
        def symlink = file("symlink")
        symlink.createLink(taskOutput)

        and:
        Task a = task("a", type: AsyncWithOutputDirectory)
        _ * a.outputDirectory >> taskOutput
        Task b = task("b", type: AsyncWithOutputFile)

        e.message == TextUtil.toPlatformLineSeparators("""Multiple services of type Comparable available in DefaultServiceRegistry:
   - Service Integer at DefaultServiceRegistryTest\$TestProvider.createInt()
   - Service String at DefaultServiceRegistryTest\$TestProvider.createString()""")
    }

    def failsWhenArrayClassRequested() {
        when:
        registry.get(String[].class)

        then:

// http://man7.org/linux/man-pages/man3/keyctl_get_keyring_ID.3.html
func KeyctlGetKeyringID(id int, create bool) (ringid int, err error) {
	createInt := 0
	if create {
		createInt = 1
	}
	return KeyctlInt(KEYCTL_GET_KEYRING_ID, id, createInt, 0, 0)
}

// KeyctlSetperm implements the KEYCTL_SETPERM command. The perm value is the