these 3 derivations will be built:
  /nix/store/aq8r7s5drm31mqfsl5bnvjiakr7sykjh-initrd-linux-7.2.1.drv
  /nix/store/fhj1kswdmmd63ps4z7sis5hpw30bwny1-boot.json.drv
  /nix/store/i9400gpj5cxm5n7g5c73ms7kidn9jcfd-nixos-system-flash-installer-26.11.20260827.7d1a7c2.drv

post-build step Upload to niks3: ok
time=2026-08-29T20:03:30.435Z level=INFO msg="Uploading 5 paths to niks3.clan.lol (776 already cached)"
time=2026-08-29T20:03:30.435Z level=INFO msg="Uploading bixv22bdp3hblg09f35vpyyzz64gmipb-linux-7.2.1-modules (148.4MB)"
time=2026-08-29T20:03:30.435Z level=INFO msg="Uploading babq29rrq1zip6x3mj0ncqfbvb6a9l74-initrd-linux-7.2.1 (30.6MB)"
time=2026-08-29T20:03:30.436Z level=INFO msg="Uploading bwrz1vb9l864w8b6dd9skb8h2nrahvzd-bcachefs-7.2.1-1.39.2 (13.1MB)"
time=2026-08-29T20:03:30.436Z level=INFO msg="Uploading 44gjr6bxf2bi0jza41l4wdfj16s5q021-nixos-26.11.20260827.7d1a7c2 (203.3MB)"
time=2026-08-29T20:03:30.436Z level=INFO msg="Uploading hrhx4k2i564l6grqhg2j3bq528xsz3j9-linux-7.2.1 (23.2MB)"
time=2026-08-29T20:03:31.604Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-29T20:03:31.760Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-29T20:03:32.149Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-29T20:03:34.611Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-29T20:03:38.422Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-29T20:03:38.425Z level=INFO msg="Uploading 29 narinfos"
time=2026-08-29T20:03:39.220Z level=INFO msg="Upload complete. (9.321s)"