Try with known Cygwin5.2 seed

dune

@@ -49,7 +49,7 @@
     (write-file hoped "")
     (write-file failed-runs "")
     (bash
-     "for i in `seq 100`; do echo Starting $i-th run; if ! ./focusedtest.exe -v ; then echo $i >> failed-runs; fi; done")
+     "for i in `seq 100`; do echo Starting $i-th run; if ! ./focusedtest.exe -v -s 292949458 ; then echo $i >> failed-runs; fi; done")
     ; edit the previous line to focus on a particular seed
     (diff failed-runs hoped)))))
 
@@ -64,6 +64,6 @@
     (write-file hoped "")
     (write-file failed-runs "")
     (run cmd /q /c
-     "for %G in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100) do (echo Starting %G-th run && focusedtest.exe -v || echo %G >> failed-runs)")
+     "for %G in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100) do (echo Starting %G-th run && focusedtest.exe -v -s 292949458 || echo %G >> failed-runs)")
     ; edit the previous line to focus on a particular seed
     (diff failed-runs hoped)))))