xml-picklers-0.3.5 test suite failure

[peti]

Citing from http://hydra.nixos.org/build/19276915/nixlog/1/raw:

running tests
Running 1 test suites...
Test suite tests: RUNNING...
all
  prop_showXpPrim:                    OK
    +++ OK, passed 100 tests.
  prop_xpUnit:                        OK
    +++ OK, passed 100 tests.
  prop_xpAttribute:                   FAIL
    *** Failed! Falsifiable (after 21 tests and 10 shrinks): 
    [(Name {nameLocalName = "8", nameNamespace = Nothing, namePrefix = Just "NbvX4PtaS"},[]),(Name {nameLocalName = "8", nameNamespace = Nothing, namePrefix = Nothing},[ContentText "|-;>Vfck3&3*+8"])]
    Use --quickcheck-replay '20 TFGenR 0000001321CDA8DD00000000000F4240000000000000DEDB0000000E33E22200 0 8388604 23 0' to reproduce.
  prop_xpElemVerbatimUnpickle:        OK (1.12s)
    +++ OK, passed 100 tests.
  prop_xpElemVerbatimPickle:          OK (15.69s)
    +++ OK, passed 100 tests.
  prop_xpElemTextPickle:              OK
    +++ OK, passed 100 tests.
  prop_xpElemBlankUnpickleBlanks:     OK
    +++ OK, passed 100 tests.
  prop_xpElemBlankUnpickleNonBlanks:  OK (0.02s)
    +++ OK, passed 100 tests.
  prop_xpElemBlankPickle:             OK
    +++ OK, passed 100 tests.
  prop_xpElemExistsPickleTrue:        OK
    +++ OK, passed 100 tests.
  prop_xpElemExistsPickleFalse:       OK
    +++ OK, passed 100 tests.
  prop_xpElemExistsUnpickleBlanks:    OK
    +++ OK, passed 100 tests.
  prop_xpElemExistsUnpickleNonBlanks: OK
    +++ OK, passed 100 tests.
  prop_xpBool:                        OK
    +++ OK, passed 100 tests.
  prop_flattenContent:                OK (13.17s)
    +++ OK, passed 100 tests.
  xpBoolUnpickleTrue:                 OK
  xpBoolUnpickleFalse:                OK
  xpBoolUnpickle1:                    OK
  xpBoolUnpickle0:                    OK
  xpBoolPickleTrue:                   OK
  xpBoolPickleFalse:                  OK

1 out of 21 tests failed (30.08s)
Test suite tests: FAIL

[cdornan]

Seeing similar failure on Stackage also.