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/qwrs15xcx2fcgk2clqfngi1bi8x2vzrg-nix-shell.drv
building '/nix/store/qwrs15xcx2fcgk2clqfngi1bi8x2vzrg-nix-shell.drv' on 'ssh-ng://builder@build01.clan.lol'
building '/nix/store/qwrs15xcx2fcgk2clqfngi1bi8x2vzrg-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-09-06T01:39:11.985Z level=INFO msg="Uploading 2 paths to niks3.clan.lol (221 already cached)"
time=2026-09-06T01:39:11.985Z level=INFO msg="Uploading 10lgvzyi60fmfdn0svsifazgwq4kcclh-source (203.8MB)"
time=2026-09-06T01:39:11.985Z level=INFO msg="Uploading dz0pxn0x29vcrv5fmql68d0w6yyp1g37-nix-shell (6.6KB)"
time=2026-09-06T01:39:14.700Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-09-06T01:39:14.702Z level=INFO msg="Uploading 3 narinfos"
time=2026-09-06T01:39:14.921Z level=INFO msg="Upload complete. (3.072s)"