"Task `:broken` of type `SomeTask`: cannot serialize object of type '$concreteTypeName', a subtype of '${baseType.name}', as these are not supported with the configuration cache."
            )
            withProblemsWithStackTraceCount(0)
        }

        and:
        outputContains("this.reference = null")
        outputContains("bean.reference = null")
        outputContains("beanWithSameType.reference = null")

            withUniqueProblems(expectedProblem)
            withProblemsWithStackTraceCount(0)
        }

        when:
        configurationCacheRunLenient("help")

        then:
        problems.assertResultHasProblems(result) {
            withTotalProblemsCount(2)
            withUniqueProblems(expectedProblem)
            withProblemsWithStackTraceCount(0)
        }

        when:

            withTotalProblemsCount(1)
            withUniqueProblems(
                "Build file 'build.gradle': line 2: registration of listener on 'Gradle.buildFinished' is unsupported")
            withProblemsWithStackTraceCount(1)
        }

        and:
        verifyAll(receivedProblem(0)) {
            fqid == REGISTRATION_UNSUPPORTED

                }
            }
        """)

        when:
        configurationCacheRun("offender")

        then:
        problems.assertResultHasProblems(result) {
            withProblemsWithStackTraceCount(2)
            withProblem("Build file 'build.gradle': line 11: invocation of 'Task.project' at execution time is unsupported.")

            withUniqueProblems("Task `:circular` of type `org.gradle.api.DefaultTask`: Circular references can lead to undefined behavior upon deserialization.")
            withTotalProblemsCount(2)
            withProblemsWithStackTraceCount(0)
        }

        when:
        configurationCacheRunLenient 'circular'

        then:
        configurationCache.assertStateLoaded()

        and:

                "Task `:some` of type `org.gradle.api.DefaultTask`: cannot serialize Gradle script object references as these are not supported with the configuration cache."
            )
            withProblemsWithStackTraceCount(0)
        }
    }

    def "task with type declared in Groovy script is up-to-date when no inputs have changed"() {
        given:
        taskTypeWithOutputFileProperty()
        buildFile << """

    HasConfigurationCacheProblemsSpec withTotalProblemsCount(int totalProblemsCount) {
        this.totalProblemsCount = totalProblemsCount
        return this
    }

    HasConfigurationCacheProblemsSpec withProblemsWithStackTraceCount(int problemsWithStackTraceCount) {
        this.problemsWithStackTraceCount = problemsWithStackTraceCount
        return this
    }

    HasConfigurationCacheProblemsSpec withInput(String prefix) {