these 4 derivations will be built:
  /nix/store/v6hgxpf68gjaswrr48h74x01nzj86v1a-clan-runtime.drv
  /nix/store/ly9mrl6dgcw7f2jkrqsa2jvbdrfv633a-clan-cli-source.drv
  /nix/store/qlwp5n520207f43szpfsp08dg6sq5pr5-clan-cli.drv
  /nix/store/f7mvng74laq4lc87vasspqvcm2i61sbk-opentofu-external-key-provider.drv
building '/nix/store/f7mvng74laq4lc87vasspqvcm2i61sbk-opentofu-external-key-provider.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/f7mvng74laq4lc87vasspqvcm2i61sbk-opentofu-external-key-provider.drv'

post-build step Upload to niks3: ok
time=2026-09-06T01:39:12.005Z level=INFO msg="Uploading 2 paths to niks3.clan.lol (139 already cached)"
time=2026-09-06T01:39:12.005Z level=INFO msg="Uploading v51rh17i1f70rbmbj2rwjakv2qmd0z4m-opentofu-external-key-provider (1.3KB)"
time=2026-09-06T01:39:12.005Z level=INFO msg="Uploading 10lgvzyi60fmfdn0svsifazgwq4kcclh-source (203.8MB)"
time=2026-09-06T01:39:14.966Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-09-06T01:39:14.967Z level=INFO msg="Uploading 3 narinfos"
time=2026-09-06T01:39:15.362Z level=INFO msg="Upload complete. (3.488s)"