this derivation will be built:
  /nix/store/2b2b04p9lyvd642zsh6q3f4j434y737y-nix-shell.drv
building '/nix/store/2b2b04p9lyvd642zsh6q3f4j434y737y-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-09-01T10:00:34.117Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (265 already cached)"
time=2026-09-01T10:00:34.547Z level=INFO msg="Upload complete. (1.72s)"