these 4 derivations will be built:
  /nix/store/4vi6nmnhra239v8zbkl3d3x11vjadjb4-clan-runtime.drv
  /nix/store/wmd1050dhd24a8q5xk4j44r37c4pk0yf-clan-cli-source.drv
  /nix/store/07wc8ghxn8fhcc9kjxmaa15n036cvmc6-clan-cli.drv
  /nix/store/ia5nxgfc1bmra6qf5rr7c75axxk5mwsc-nix-shell.drv
building '/nix/store/ia5nxgfc1bmra6qf5rr7c75axxk5mwsc-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-09-06T01:39:11.140Z level=INFO msg="Uploading 2 paths to niks3.clan.lol (222 already cached)"
time=2026-09-06T01:39:11.140Z level=INFO msg="Uploading 0w5d1z8nn2jjm9k7vni7n6abr45cf2ir-nix-shell (6.6KB)"
time=2026-09-06T01:39:11.140Z level=INFO msg="Uploading 10lgvzyi60fmfdn0svsifazgwq4kcclh-source (203.8MB)"
time=2026-09-06T01:39:14.419Z level=ERROR msg="Failed to close zstd encoder" error="io: read/write on closed pipe"
time=2026-09-06T01:39:14.420Z level=INFO msg="Uploading 3 narinfos"
time=2026-09-06T01:39:14.849Z level=INFO msg="Upload complete. (3.844s)"