this derivation will be built:
  /nix/store/67z0n2vj0vs2i8hjy66qfakqyqn45qmn-structure-package-set-invariant.drv
building '/nix/store/67z0n2vj0vs2i8hjy66qfakqyqn45qmn-structure-package-set-invariant.drv'

post-build step Upload to niks3: ok
time=2026-08-31T09:45:29.906Z level=INFO msg="Uploading 0 paths to niks3.scientistexperience.net (1 already cached)"
time=2026-08-31T09:45:30.591Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T09:45:31.433Z level=INFO msg="Upload complete. (1.739s)"