these 4 derivations will be built:
  /nix/store/c1c2b80r0chwc4kw90iislqb0hz017g6-clan-runtime.drv
  /nix/store/567cjba1j1bvxyikynh8bxx5d1i1c60f-clan-cli-source.drv
  /nix/store/4w5arw95k238qccmmn9bni248zq298zf-clan-cli.drv
  /nix/store/fnmwh8mji22zyacvwdc5pd2s7ki885dd-nix-shell.drv
building '/nix/store/fnmwh8mji22zyacvwdc5pd2s7ki885dd-nix-shell.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/fnmwh8mji22zyacvwdc5pd2s7ki885dd-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-30T05:01:29.209Z level=INFO msg="Uploading 3 paths to niks3.clan.lol (275 already cached)"
time=2026-08-30T05:01:29.209Z level=INFO msg="Uploading 1l6k8mkwfras591qgmna8niqjfxdm1bc-nix-shell (8.3KB)"
time=2026-08-30T05:01:29.209Z level=INFO msg="Uploading 9pzxgnnqcis3xifbf4ynawzyk2aihab9-source (203.5MB)"
time=2026-08-30T05:01:29.209Z level=INFO msg="Uploading v99hbxfk8n93k7shffxx7n6q8h2k1f1f-clan-cli (4.0MB)"
time=2026-08-30T05:01:30.488Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-08-30T05:01:31.789Z level=INFO msg="Uploading 3 narinfos"
time=2026-08-30T05:01:32.433Z level=INFO msg="Upload complete. (4.427s)"