these 2 derivations will be built:
  /nix/store/0j439mq7s3gf8z0k06bbgzl79vfzqkay-clan-runtime.drv
  /nix/store/ll0zjb2s04x10cpdq7rqw95076rdrjik-clan.drv
building '/nix/store/ll0zjb2s04x10cpdq7rqw95076rdrjik-clan.drv' on 'ssh-ng://builder@build04.clan.lol'
building '/nix/store/ll0zjb2s04x10cpdq7rqw95076rdrjik-clan.drv'
clan> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-09-22T05:09:34.669Z level=INFO msg="Uploading 3 paths to niks3.clan.lol (335 already cached)"
time=2026-09-22T05:09:34.670Z level=INFO msg="Uploading kvk74mririk77qwkmij4lsxka647syk3-clan (22.8KB)"
time=2026-09-22T05:09:34.670Z level=INFO msg="Uploading 3s174xjbc6azbk5q5vw61sxq8z9m7ps7-source (212.5MB)"
time=2026-09-22T05:09:34.671Z level=INFO msg="Uploading kknw77v6hb84zz5hlzbg58xgb2x23x65-clan-runtime (2.8KB)"
time=2026-09-22T05:09:39.808Z 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/clan-cache-geninf/log/wh68p338g54gspq5vc8iq7l7bafw17a3-select-shell.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260922%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260922T050933Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=e37ce29dc057bd4de132cacec1bffc74f1c0b01a2003b5101ec44f8e75bb07bf"
time=2026-09-22T05:09:41.814Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-09-22T05:09:41.816Z level=INFO msg="Uploading 3 narinfos"
time=2026-09-22T05:09:42.164Z level=INFO msg="Upload complete. (8.7s)"