these 2 derivations will be built:
  /nix/store/kxzndmcl22g36rbmpyvwxfjhcx2x1hby-boot.json.drv
  /nix/store/rbnhf67d7dp3ylnnhfrncz0b3ff95cgc-nixos-system-testmachine-26.05.20260918.cf9d2fb.drv
building '/nix/store/kxzndmcl22g36rbmpyvwxfjhcx2x1hby-boot.json.drv'
building '/nix/store/rbnhf67d7dp3ylnnhfrncz0b3ff95cgc-nixos-system-testmachine-26.05.20260918.cf9d2fb.drv'
nixos-system-testmachine-26.05.20260918.cf9d2fb> structuredAttrs is enabled

post-build step Upload to niks3: ok
time=2026-09-20T00:04:38.396Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (554 already cached)"
time=2026-09-20T00:04:38.398Z level=INFO msg="Upload complete. (307ms)"