these 4 derivations will be built:
  /nix/store/d8f66bwqxbkxcw0c2l9biw0hs2vkgkq9-etc-spaces-installer-install.json.drv
  /nix/store/mr6n8vwjjjkh6zwqrxjfadbz5m4633wq-etc.drv
  /nix/store/0g98ddykvnx68pwxlqny6qf5bq5n7aqh-activate.drv
  /nix/store/9cpsbhabdqkrvdp07vmkbc7c89p8qbw4-nixos-system-nixos-26.11.20260822.2c423e0.drv
building '/nix/store/d8f66bwqxbkxcw0c2l9biw0hs2vkgkq9-etc-spaces-installer-install.json.drv'
building '/nix/store/mr6n8vwjjjkh6zwqrxjfadbz5m4633wq-etc.drv'
building '/nix/store/0g98ddykvnx68pwxlqny6qf5bq5n7aqh-activate.drv'
building '/nix/store/9cpsbhabdqkrvdp07vmkbc7c89p8qbw4-nixos-system-nixos-26.11.20260822.2c423e0.drv'
nixos-system-nixos-26.11.20260822.2c423e0> structuredAttrs is enabled

post-build step Upload to niks3: ok
time=2026-09-15T21:02:05.199Z level=INFO msg="Uploading 4 paths to 127.0.0.1 (923 already cached)"
time=2026-09-15T21:02:06.715Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/log/4xilhkdalik1rapklr1z3zfbl45nryln-unit-systemd-tmpfiles-resetup.service.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260915%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260915T210204Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=9bb1077fd9ee5f3768dbac628429a0cd6d2bb20175f9c287f6dd6fd3e7c84791"
time=2026-09-15T21:02:07.804Z level=INFO msg="Uploading kg2gvqxs8yd30hkbdxz62hzs2r3m6g7a-etc-spaces-installer-install.json (864B)"
time=2026-09-15T21:02:07.809Z level=INFO msg="Uploading kfpvayy1x0vydhj7frawz8lfdjfbjinj-spaces-flake-src (2.9MB)"
time=2026-09-15T21:02:07.836Z level=INFO msg="Uploading 3x0bzfpqclgbn4d0qdy57assq17vbsr7-nixos-system-nixos-26.11.20260822.2c423e0 (247.6KB)"
time=2026-09-15T21:02:07.869Z level=INFO msg="Uploading 8m2h69hd76pkf8bx9k748ch0kp806f0b-etc (43.6KB)"
time=2026-09-15T21:02:11.782Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/log/iwx4k4lwr373kx9j1gr0pb30n3a3s8i1-unit-systemd-timedated.service.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260915%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260915T210204Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=86e12ba5f83350324ebf7cc022b73a001336027793e62bedb385d21c9d14083f"
time=2026-09-15T21:02:12.679Z level=INFO msg="Uploading 4 narinfos"
time=2026-09-15T21:02:14.298Z level=INFO msg="Upload complete. (10.314s)"