these 8 derivations will be built:
  /nix/store/0gdi80fn8wfxy9gmyirv5nq0524z1dka-nixos-26.11.20260819.afe3d8a.drv
  /nix/store/sy9r7f0fhiqszyicb3pqg1326bxji8m0-unit-script-nix-channel-init-start.drv
  /nix/store/54p9l2fd2bh03knr0k2y1mc9apxn43hj-unit-nix-channel-init.service.drv
  /nix/store/3nrbls8xpg78mk6jb5jl72vhjb8a9lkm-system-units.drv
  /nix/store/y207x8fmvkpjhg0179sq7d9bs8c884ly-etc-nix-registry.json.drv
  /nix/store/xzny131f2zfwx680mvzyyk8yadpvj2qf-etc.drv
  /nix/store/4n1jm6mm9kxzhkznxyfaz97k6pjwwhys-activate.drv
  /nix/store/748igvsr60jj6fla9yw0pbjnv0r7fxnd-nixos-system-flash-installer-26.11.20260819.afe3d8a.drv

post-build step Upload to niks3: ok
time=2026-08-19T10:01:56.734Z level=INFO msg="Uploading 20 paths to niks3.clan.lol (758 already cached)"
time=2026-08-19T10:01:57.514Z 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/c8l4vprx9nh3qshy4kclyxsn6pq930fm-etc-sysctl.d-60-nixos.conf.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T100155Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=1d46c1a6d8853b1aa71cfcf65a430e953f6d4f583f9a80f9e7ee010181942095"
time=2026-08-19T10:01:57.648Z level=INFO msg="Uploading vdipgfns086hl47hbmlpk5zsj8ibjrdn-nixos-26.11.20260819.afe3d8a (202.5MB)"
time=2026-08-19T10:01:57.649Z level=INFO msg="Uploading c52gjamzgfwrp8arkb40vpyqflrzjh8g-unit-script-nix-channel-init-start (1.2KB)"
time=2026-08-19T10:01:57.661Z level=INFO msg="Uploading my5h5nsddwzrqm5sfz5bspqf26qjp6v6-X-Restart-Triggers-dbus-broker (168B)"
time=2026-08-19T10:01:57.677Z level=INFO msg="Uploading nilr8pplh9cbxb7b7frvpsqv1shxji90-issue (496B)"
time=2026-08-19T10:01:57.696Z level=INFO msg="Uploading 7bx0j6p428hwgidxg2zfrnhi7dswh0iq-unit-nix-channel-init.service (1.6KB)"
time=2026-08-19T10:01:57.714Z level=INFO msg="Uploading s0bgc1hx06zlgnsc721drd6gaipa51nf-system-path (5.1MB)"
time=2026-08-19T10:01:57.731Z level=INFO msg="Uploading chcdwqdx8gjf9d5lhj994lixma7bv5gd-nixos-version (2.9KB)"
time=2026-08-19T10:01:57.734Z level=INFO msg="Uploading np8fry1pfzy9i7zxb96ijmi0lsx7k7d0-shutdown-ramfs-contents.json (1.3KB)"
time=2026-08-19T10:01:57.756Z level=INFO msg="Uploading jynilzk3168n58s9q1qm4m7gia3v4sr4-etc-os-release (632B)"
time=2026-08-19T10:01:57.824Z level=INFO msg="Uploading a02h65g5m3ap4ixaa1z0hk6fh16fl574-unit-dbus-broker.service (1.4KB)"
time=2026-08-19T10:01:57.839Z level=INFO msg="Uploading 00bzximviajlhhb09lwb7ifnjpigl3pg-user-units (11.8KB)"
time=2026-08-19T10:01:57.841Z level=INFO msg="Uploading rh7p0j4im1psxahg2y4iqls222j7hadm-dbus-1 (12.0KB)"
time=2026-08-19T10:01:57.885Z level=INFO msg="Uploading adi80wg5ga48pvbpnic08zi61sgmpc0l-etc (43.3KB)"
time=2026-08-19T10:01:57.917Z level=INFO msg="Uploading 9qdzlvz4rxlmdgb9j80zv3a7bv4n0y8z-nixos-system-flash-installer-26.11.20260819.afe3d8a (247.8KB)"
time=2026-08-19T10:01:57.961Z level=INFO msg="Uploading 9h9l06a9b55nks73mfwa848cmab1xaqm-X-Restart-Triggers-polkit (168B)"
time=2026-08-19T10:01:57.976Z level=INFO msg="Uploading l483am9wplg5c8hximv7826nis5rzqa3-unit-dbus-broker.service (1.3KB)"
time=2026-08-19T10:01:57.996Z level=INFO msg="Uploading aljlh5pw855apda4x0dpqbpmsmy0bh9z-system-units (145.6KB)"
time=2026-08-19T10:01:58.007Z level=INFO msg="Uploading 3mrgb9z37y6ib6k4fm5pwx29gx145z7c-unit-polkit.service (1.4KB)"
time=2026-08-19T10:01:58.080Z level=INFO msg="Uploading sjvqzn455crvbhr52gk3z72z2xyv5wmn-etc-nix-registry.json (304B)"
time=2026-08-19T10:01:58.088Z level=INFO msg="Uploading 22dy20i2f2vz0wy94gl4j4iyslj11prf-unit-generate-shutdown-ramfs.service (1.8KB)"
time=2026-08-19T10:02:02.421Z 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/wdf6pq5j4cjfdc24m8kyic1q6zrx65rz-unit-sshd.service.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T100155Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=5bffd3ee45ecb0082e50f8a498e2a5071f22d71fadf05eb5dec01658f592202c"
time=2026-08-19T10:02:03.333Z 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/7bx0j6p428hwgidxg2zfrnhi7dswh0iq.ls?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T100155Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=caa66b9e23f9f232f1dc1f1cf4ce80b0008cefb4140ea314a714fca383ae6eb6"
time=2026-08-19T10:02:05.475Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-19T10:02:08.153Z level=INFO msg="Uploading 21 narinfos"
time=2026-08-19T10:02:13.899Z 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/22dy20i2f2vz0wy94gl4j4iyslj11prf.narinfo?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000009%2F20260819%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260819T100155Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=0296db384909ecdf8bccfc8d200e1d7c44bb0f2d5a7bf2178ac0d48bb19b2901"
time=2026-08-19T10:02:19.086Z level=INFO msg="Upload complete. (23.631s)"