these 4 derivations will be built:
  /nix/store/z8rbn3v4pf694n25nnd6zyfb08x072af-system-units.drv
  /nix/store/376xrrjzgzfwfykvvgs6rfymryv9b38z-etc.drv
  /nix/store/rmm9gdjarakhhmf02wlwi14riz9fra29-activate.drv
  /nix/store/49wy8ddikmhfabmni808164kq2cpgn3c-nixos-system-marvin-26.11.19800101.f165e44.drv
building '/nix/store/z8rbn3v4pf694n25nnd6zyfb08x072af-system-units.drv'
building '/nix/store/376xrrjzgzfwfykvvgs6rfymryv9b38z-etc.drv'
building '/nix/store/rmm9gdjarakhhmf02wlwi14riz9fra29-activate.drv'
building '/nix/store/49wy8ddikmhfabmni808164kq2cpgn3c-nixos-system-marvin-26.11.19800101.f165e44.drv'
nixos-system-marvin-26.11.19800101.f165e44> structuredAttrs is enabled

post-build step Upload to niks3: ok
time=2026-08-21T16:01:43.678-04:00 level=INFO msg="Uploading 9 paths to niks3.fennec-cichlid.ts.net (2155 already cached)"
time=2026-08-21T16:01:50.654-04:00 level=INFO msg="Uploading 81g94nsxijw7jx4nb0zsnjjfw31jcw2l-unit-script-docker-shelfmark-post-stop (616B)"
time=2026-08-21T16:01:50.669-04:00 level=INFO msg="Uploading 3s94n6kk0l5w2viilccadqkbk81wagal-unit-tailscale-serve-shelfmark.service (1.5KB)"
time=2026-08-21T16:01:50.669-04:00 level=INFO msg="Uploading r2s1lkci3r0pql4i2nkhzhsyffd9hg3a-unit-script-docker-shelfmark-pre-stop (616B)"
time=2026-08-21T16:01:50.687-04:00 level=INFO msg="Uploading jw9wg132fl2hh3ng3fbayk9r67irzfp5-pre-start (664B)"
time=2026-08-21T16:01:50.694-04:00 level=INFO msg="Uploading 6y2h0n50spr2najh1acckf86f4vl1wj0-unit-script-docker-shelfmark-start (1.4KB)"
time=2026-08-21T16:01:50.721-04:00 level=INFO msg="Uploading jm4iyjsgds1l2a6zia1flrfzm6fv2w9v-nixos-system-marvin-26.11.19800101.f165e44 (247.0KB)"
time=2026-08-21T16:01:50.726-04:00 level=INFO msg="Uploading fnrpfnfhkik810yni9d7hzpqizfwr6xr-etc (61.7KB)"
time=2026-08-21T16:01:50.738-04:00 level=INFO msg="Uploading wdxy673db9j5831jps6mgf17vqbxj79z-unit-docker-shelfmark.service (1.9KB)"
time=2026-08-21T16:01:50.749-04:00 level=INFO msg="Uploading bw7yvn35f9is856w4266n6b14afn5hj4-system-units (181.5KB)"
time=2026-08-21T16:01:51.842-04:00 level=INFO msg="Uploading 9 narinfos"
time=2026-08-21T16:01:52.453-04:00 level=INFO msg="Upload complete. (12.159s)"