disabling binary cache 'https://cuda-maintainers.cachix.org' for 60 seconds
warning: unable to download 'https://cuda-maintainers.cachix.org/nix-cache-info': HTTP error 401

         response body:

         Binary cache cuda-maintainers doesn't exist or you're not authorized to access it. Check the name for typos and/or provide an auth token. Contact support on https://cachix.org if you're stuck.
these 2 derivations will be built:
  /nix/store/f8hi1kp1dkvf3snirdh875146df1il2q-users-lib.tests.nix.drv
  /nix/store/k7v68al3dcn24vdynqnkrq7sqhnravjb-evalCheck-users-lib.drv
building '/nix/store/f8hi1kp1dkvf3snirdh875146df1il2q-users-lib.tests.nix.drv'
users-lib.tests.nix> structuredAttrs is enabled
building '/nix/store/k7v68al3dcn24vdynqnkrq7sqhnravjb-evalCheck-users-lib.drv'
evalCheck-users-lib> ✅ testDefaultIsEveryFlakeSystem
evalCheck-users-lib> ✅ testEmissionKeysOmitUnlistedSystem
evalCheck-users-lib> ✅ testExplicitListNarrowsSystems
evalCheck-users-lib> 
evalCheck-users-lib> 🎉 3/3 successful

post-build step Upload to niks3: ok
time=2026-09-12T01:47:48.261Z level=INFO msg="Uploading 0 paths to niks3.scientistexperience.net (1 already cached)"
time=2026-09-12T01:47:48.848Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-12T01:47:49.601Z level=INFO msg="Upload complete. (1.435s)"