this derivation will be built:
  /nix/store/nk4a7pn80qvzxysw65h828nfmmxhi470-nix-shell.drv
building '/nix/store/nk4a7pn80qvzxysw65h828nfmmxhi470-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-27T10:01:04.707Z level=INFO msg="Uploading 0 paths to niks3.clan.lol (265 already cached)"
time=2026-08-27T10:01:05.177Z level=INFO msg="Upload complete. (1.663s)"