these 3 derivations will be built:
  /nix/store/liynq8r5wbb5sdpyr3fjvgqjsffms5zw-clan-cli-source.drv
  /nix/store/nwjpb67gssyhd8y3slvs7ymazd6ccj2r-clan-cli.drv
  /nix/store/p9lhf5zrj9x5zkkm43gklzvq0fk9h8hg-nix-shell.drv
these 5 paths will be fetched (0.0 KiB download, 101.9 MiB unpacked):
  /nix/store/527676ymxdvq8n1vsy8rb2p6vxf0cr30-clan-runtime
  /nix/store/31k0a0zzjmmvw8yy1wm34q6iib2xgija-home-manager
  /nix/store/4cwziwjvgjan0lgkajh63909g2vc4al8-nixos-option-26.11
  /nix/store/drz9m24j0ir8jq8bxw7yzi7gqx124vcr-opentofu-1.12.6
  /nix/store/wa8czifdd6vlv10vbx4wzakb18xrjrrx-opentofu-1.12.6
building '/nix/store/p9lhf5zrj9x5zkkm43gklzvq0fk9h8hg-nix-shell.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/p9lhf5zrj9x5zkkm43gklzvq0fk9h8hg-nix-shell.drv'
nix-shell> Running phase: buildPhase

upload niks3: failed
time=2026-09-09T01:46:21.849Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:48:07.381Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=207.974579ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:49:58.329Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=386.543601ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:51:31.337Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=846.093756ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:53:06.437Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.507387946s status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-09T01:55:00.092Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 502: "