these 3 derivations will be built:
  /nix/store/xiv15g65s1kyfl026nqjrrhidkzjiyak-treefmt.toml.drv
  /nix/store/5jnszh3rsh2z53pf9xgbp5hay4lydrl3-treefmt.drv
  /nix/store/ki7l4lrh4210qbwa2c383rq12bbrk5di-treefmt-check.drv
this path will be fetched (1.2 MiB download, 2.9 MiB unpacked):
  /nix/store/vajwgwrnp8gjjbf5312819vn97ggj1p9-gofumpt-0.12.0
building '/nix/store/xiv15g65s1kyfl026nqjrrhidkzjiyak-treefmt.toml.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/xiv15g65s1kyfl026nqjrrhidkzjiyak-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/5jnszh3rsh2z53pf9xgbp5hay4lydrl3-treefmt.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/5jnszh3rsh2z53pf9xgbp5hay4lydrl3-treefmt.drv'
building '/nix/store/ki7l4lrh4210qbwa2c383rq12bbrk5di-treefmt-check.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/ki7l4lrh4210qbwa2c383rq12bbrk5di-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 204 files
treefmt-check> emitted 159 files for processing
treefmt-check> formatted 159 files (0 changed) in 513ms

upload niks3: failed
time=2026-09-10T00:34:58.594Z 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=2026-09-10T00:36:03.546Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=187.155328ms status=502 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:41:38.531Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:46:38.632Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=182.285456ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:52:05.427Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T00:57:05.530Z level=WARN msg="Request returned retryable status, retrying" attempt=2 max_attempts=6 backoff=216.110839ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:02:05.748Z level=WARN msg="Request returned retryable status, retrying" attempt=3 max_attempts=6 backoff=374.38175ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:07:06.123Z level=WARN msg="Request returned retryable status, retrying" attempt=4 max_attempts=6 backoff=789.765369ms status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:12:06.915Z level=WARN msg="Request returned retryable status, retrying" attempt=5 max_attempts=6 backoff=1.610297597s status=504 url=https://niks3.clan.lol/api/pending_closures
time=2026-09-10T01:17:08.527Z level=ERROR msg="Fatal error" error="pushing paths: creating pending closures: creating pending closure: server returned 504: "