On Debian testing running on core i7 + 16 GB RAM, upgrading 10.5.rc1 to 10.5 and running ptestlong gives one permanent failure :
sage -t --long --warn-long 30.0 --random-seed=222446223686101326881584908570368115607 src/sage/rings/real_mpfr.pyx # 1 doctest failedalready reported a number of times, and a transient failure :
sage -t --long --warn-long 30.0 --random-seed=222446223686101326881584908570368115607 src/sage/categories/simplicial_sets.py # 1 doctest failedwhose first execution gives the following error :
sage -t --long --warn-long 30.0 --random-seed=222446223686101326881584908570368115607 src/sage/categories/simplicial_sets.py ********************************************************************** File "src/sage/categories/simplicial_sets.py", line 460, in sage.categories.simplicial_sets.SimplicialSets.Pointed.ParentMethods.covering_map Failed example: C.domain().face_data() Expected: {(*, ()): None, (*, (1,2,3)): None, (*, (1,3,2)): None, (sigma_1, ()): ((*, (1,2,3)), (*, ())), (sigma_1, ()): ((*, ()), (*, ())), (sigma_1, (1,2,3)): ((*, (1,3,2)), (*, (1,2,3))), (sigma_1, (1,2,3)): ((*, (1,2,3)), (*, (1,2,3))), (sigma_1, (1,3,2)): ((*, ()), (*, (1,3,2))), (sigma_1, (1,3,2)): ((*, (1,3,2)), (*, (1,3,2)))} Got: {(*, ()): None, (*, (1,2,3)): None, (*, (1,3,2)): None, (sigma_1, ()): ((*, ()), (*, ())), (sigma_1, ()): ((*, (1,2,3)), (*, ())), (sigma_1, (1,2,3)): ((*, (1,2,3)), (*, (1,2,3))), (sigma_1, (1,2,3)): ((*, (1,3,2)), (*, (1,2,3))), (sigma_1, (1,3,2)): ((*, (1,3,2)), (*, (1,3,2))), (sigma_1, (1,3,2)): ((*, ()), (*, (1,3,2)))} ********************************************************************** 1 item had failures: 1 of 8 in sage.categories.simplicial_sets.SimplicialSets.Pointed.ParentMethods.covering_map [191 tests, 1 failure, 3.36s wall]which seems to be bound to the enumeration of the same set in two different orders.
HTH,