"error in running finalizer" observed in test suite

[vtjnash]

Saw this printed while running tests:

LinearAlgebra/schur                (6) |        started at 2020-07-14T11:56:12.599
LinearAlgebra/schur                (6) |    71.67 |   2.25 |  3.1 |    4250.81 |   345.08
LinearAlgebra/svd                  (6) |        started at 2020-07-14T11:57:25.979
LinearAlgebra/svd                  (6) |   116.61 |   3.14 |  2.7 |    6034.74 |   479.82
LinearAlgebra/diagonal             (6) |        started at 2020-07-14T11:59:22.678
LinearAlgebra/diagonal             (6) |   425.16 |  15.08 |  3.5 |   20670.78 |   799.12
hashing                            (6) |        started at 2020-07-14T12:06:27.961
hashing                            (6) |    33.09 |   1.12 |  3.4 |    1766.67 |   799.12
tuple                              (6) |        started at 2020-07-14T12:07:01.195
tuple                              (6) |     8.42 |   0.19 |  2.2 |     368.95 |   799.12
reduce                             (6) |        started at 2020-07-14T12:07:09.686
reduce                             (6) |    35.48 |   1.74 |  4.9 |    1970.37 |   950.17
abstractarray                      (6) |        started at 2020-07-14T12:07:45.264
abstractarray                      (6) |   158.22 |   5.33 |  3.4 |    6967.04 |   994.54
path                               (6) |        started at 2020-07-14T12:10:33.089
path                               (6) |     2.91 |   0.07 |  2.4 |     123.75 |   994.54
parse                              (6) |        started at 2020-07-14T12:10:36.425
parse                              (6) |    10.72 |   0.43 |  4.0 |     393.19 |   994.54
loading                            (6) |        started at 2020-07-14T12:10:47.236
      From worker 6:	WARNING: replacing module Foo.
loading                            (6) |    71.30 |   2.40 |  3.4 |    3299.03 |   994.54
version                            (6) |        started at 2020-07-14T12:11:58.681
version                            (6) |     2.66 |   0.16 |  6.1 |      90.80 |   994.54
namedtuple                         (6) |        started at 2020-07-14T12:12:01.424
namedtuple                         (6) |     7.04 |   0.23 |  3.3 |     266.17 |   994.54
mpfr                               (6) |        started at 2020-07-14T12:12:08.566
mpfr                               (6) |    36.26 |   0.85 |  2.3 |    1473.86 |   994.54
complex                            (6) |        started at 2020-07-14T12:12:44.986
complex                            (6) |    33.59 |   0.54 |  1.6 |     752.61 |   994.54
ranges                             (6) |        started at 2020-07-14T12:13:18.689
ranges                             (6) |   107.48 |   6.85 |  6.4 |    9584.63 |   994.54
cartesian                          (6) |        started at 2020-07-14T12:15:06.320
cartesian                          (6) |     1.64 |   0.10 |  5.9 |      87.26 |   994.54
iostream                           (6) |        started at 2020-07-14T12:15:08.064
iostream                           (6) |     3.53 |   0.09 |  2.7 |     182.01 |   994.54
reinterpretarray                   (6) |        started at 2020-07-14T12:15:11.686
      From worker 6:	error in running finalizer: ErrorException("task switch not allowed from inside gc finalizer")
reinterpretarray                   (6) |    20.61 |   0.76 |  3.7 |     926.52 |   994.54
...