these 5 derivations will be built:
  /nix/store/8nn1n8dhpj30rxhk46rv604805wawfhl-manifest.json.drv
  /nix/store/28vi7kwx5g2hsk685h1hpa3z42z3dpxr-sops-nix-user.drv
  /nix/store/9vs6jm3vlvm7ivmgpdlbwp4chk5zfrlz-sops-nix.service.drv
  /nix/store/avj1va23122c56m6703g7kwr6xfvjl81-home-manager-files.drv
  /nix/store/034lc3aka5sawcx3fwa27qrrgy1k8d1x-home-manager-generation.drv
building '/nix/store/8nn1n8dhpj30rxhk46rv604805wawfhl-manifest.json.drv'
manifest.json> structuredAttrs is enabled
building '/nix/store/28vi7kwx5g2hsk685h1hpa3z42z3dpxr-sops-nix-user.drv'
sops-nix-user> structuredAttrs is enabled
building '/nix/store/9vs6jm3vlvm7ivmgpdlbwp4chk5zfrlz-sops-nix.service.drv'
sops-nix.service> structuredAttrs is enabled
building '/nix/store/avj1va23122c56m6703g7kwr6xfvjl81-home-manager-files.drv'
building '/nix/store/034lc3aka5sawcx3fwa27qrrgy1k8d1x-home-manager-generation.drv'

post-build step Upload to niks3: failed
time=2026-09-19T21:19:33.604Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=502 url=https://niks3.scientistexperience.net/api/pending_closures
time=2026-09-19T21:19:33.707Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=202.008558ms status=502 url=https://niks3.scientistexperience.net/api/pending_closures
time=2026-09-19T21:19:33.913Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=411.902671ms status=502 url=https://niks3.scientistexperience.net/api/pending_closures
time=2026-09-19T21:19:34.330Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=836.279138ms status=502 url=https://niks3.scientistexperience.net/api/pending_closures
time=2026-09-19T21:19:35.170Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.729516055s status=502 url=https://niks3.scientistexperience.net/api/pending_closures
time=2026-09-19T21:19:36.906Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 502: "