these 2 derivations will be built:
  /nix/store/imrl8vb10c0pbfchwqm0p3mgf19z88dh-spaces-install-backend-files.drv
  /nix/store/ggkg6jl3wrgqhscakcs19l2g5i8qd160-spaces-install-backend.drv
building '/nix/store/imrl8vb10c0pbfchwqm0p3mgf19z88dh-spaces-install-backend-files.drv'
building '/nix/store/ggkg6jl3wrgqhscakcs19l2g5i8qd160-spaces-install-backend.drv'

post-build step Upload to niks3: ok
time=2026-09-17T12:50:15.506Z level=INFO msg="Uploading 2 paths to 127.0.0.1 (207 already cached)"
time=2026-09-17T12:50:15.506Z level=INFO msg="Uploading hs2pw6k969px4r9y0yx1jgnlwr5czcxd-spaces-install-backend-files (203.8KB)"
time=2026-09-17T12:50:15.506Z level=INFO msg="Uploading 48z7m0b722sj582hvzdc1nn5w015mrp2-spaces-install-backend (1.6KB)"
time=2026-09-17T12:50:17.123Z level=INFO msg="Uploading 2 narinfos"
time=2026-09-17T12:50:18.698Z level=INFO msg="Upload complete. (3.271s)"