this derivation will be built:
  /nix/store/3fhimm6fz4cal04bf8nqi8fn19xc3v3m-nix-shell.drv
building '/nix/store/3fhimm6fz4cal04bf8nqi8fn19xc3v3m-nix-shell.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/3fhimm6fz4cal04bf8nqi8fn19xc3v3m-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-13T18:51:25.863Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (264 already cached)"
time=2026-08-13T18:51:25.863Z level=INFO msg="Uploading j17zq0ml9lyi1qfhnrhc6i0lk520kqay-nix-shell (8.8KB)"
time=2026-08-13T18:51:26.546Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-13T18:51:26.869Z level=INFO msg="Upload complete. (1.2s)"