these 4 derivations will be built:
  /nix/store/8nwbgkjvcg1wv5sjqxbjr8ri38n2nrja-agent-skill-nixos-config.drv
  /nix/store/vmsnvfsfmsk2c5pa667hfja8hqbryxwb-agent-skill-location.drv
  /nix/store/y8ssnw44cqjydb1gy2wgzjz86g42v9kh-agent-skill-github.drv
  /nix/store/35g32knr6wxlyj4ha6vdsfa4x3bz4763-agent-skills.drv
building '/nix/store/y8ssnw44cqjydb1gy2wgzjz86g42v9kh-agent-skill-github.drv'
building '/nix/store/vmsnvfsfmsk2c5pa667hfja8hqbryxwb-agent-skill-location.drv'
building '/nix/store/8nwbgkjvcg1wv5sjqxbjr8ri38n2nrja-agent-skill-nixos-config.drv'
building '/nix/store/35g32knr6wxlyj4ha6vdsfa4x3bz4763-agent-skills.drv'

post-build step Upload to niks3: ok
time=2026-09-09T04:18:30.042Z level=INFO msg="Uploading 1 paths to 127.0.0.1 (13 already cached)"
time=2026-09-09T04:18:30.044Z level=INFO msg="Uploading z12pfqzz5p35vyzixynal83xg0yr8iwm-agent-skills (6.1KB)"
time=2026-09-09T04:18:35.651Z 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/w6hnd0hk6qmzf1w9nnx9l0hl3rn85ip8-agent-skill-datetime.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260909%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260909T041829Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=de107d05e9ea39d4ca81192a93c31e62fc095e81f3b1559dcb035fb81b8e5874"
time=2026-09-09T04:18:41.931Z 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/8nwbgkjvcg1wv5sjqxbjr8ri38n2nrja-agent-skill-nixos-config.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260909%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260909T041829Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=fb74c260466c0c5167cdb77b72ecf07ceac8c44850b13e00b2ae71d593430942"
time=2026-09-09T04:18:42.596Z level=INFO msg="Uploading 4 narinfos"
time=2026-09-09T04:18:43.093Z level=INFO msg="Upload complete. (14.091s)"