--- /dev/null
+Peter Simons wrote:
+> I'm getting the following test suite failure in Nix, probably because
+> some Perl dependency was updated to a newer version recently:
+>
+> # Failed test at t/img.t line 79.
+> # got: 'no image'
+> # expected: '12x12'
+>
+> # Failed test at t/img.t line 80.
+> # got: 'no image'
+> # expected: '16x2'
+> # Looks like you failed 2 tests of 19.
+> t/img.t ........................
+> Dubious, test returned 2 (wstat 512, 0x200)
+> Failed 2/19 subtests
+>
+> Do you have any idea how to fix this issue?