these 4 derivations will be built:
  /nix/store/jvbbhdwijpbrrrj9cs2nzn3dy24z0kdy-etc-nix-registry.json.drv
  /nix/store/1w7ji8fknjcc0x42avbim0sxygy59kb3-etc.drv
  /nix/store/l8j7pm9f5pn548lnh3klrp472pqqag7q-activate.drv
  /nix/store/kkh66g567pr43093wwkf5f8ii7153n4c-nixos-system-prefect-26.11.19800101.8be7bd0.drv
building '/nix/store/jvbbhdwijpbrrrj9cs2nzn3dy24z0kdy-etc-nix-registry.json.drv'
building '/nix/store/1w7ji8fknjcc0x42avbim0sxygy59kb3-etc.drv'
building '/nix/store/l8j7pm9f5pn548lnh3klrp472pqqag7q-activate.drv'
building '/nix/store/kkh66g567pr43093wwkf5f8ii7153n4c-nixos-system-prefect-26.11.19800101.8be7bd0.drv'
nixos-system-prefect-26.11.19800101.8be7bd0> structuredAttrs is enabled

post-build step Upload to niks3: ok
time=2026-08-17T13:43:41.740-04:00 level=INFO msg="Uploading 4 paths to niks3.fennec-cichlid.ts.net (946 already cached)"
time=2026-08-17T13:43:43.748-04:00 level=INFO msg="Uploading 2ggpisa0fgh9cf3j5mwi48frw5vmzxg1-source (189.9KB)"
time=2026-08-17T13:43:43.748-04:00 level=INFO msg="Uploading 211js4p4p8py4kbllzca0v7f3fwinfs9-etc (91.7KB)"
time=2026-08-17T13:43:43.755-04:00 level=INFO msg="Uploading 64ckblxy2sl7wzmc9m79xdb9m928bdxw-etc-nix-registry.json (7.2KB)"
time=2026-08-17T13:43:43.762-04:00 level=INFO msg="Uploading b1awd3z7g3khgs8gd7xbrqraps4cna1s-nixos-system-prefect-26.11.19800101.8be7bd0 (247.1KB)"
time=2026-08-17T13:43:44.457-04:00 level=INFO msg="Uploading 4 narinfos"
time=2026-08-17T13:43:44.899-04:00 level=INFO msg="Upload complete. (4.878s)"