this derivation will be built:
  /nix/store/29pr8kppik639p7r5rdvyw7ykhhzaa5a-nix-shell.drv
building '/nix/store/29pr8kppik639p7r5rdvyw7ykhhzaa5a-nix-shell.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/29pr8kppik639p7r5rdvyw7ykhhzaa5a-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-25T11:51:43.833Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (252 already cached)"
time=2026-08-25T11:51:43.833Z level=INFO msg="Uploading 5dgwc3c7mqagm1j6vc02329f6khryvwh-nix-shell (9.3KB)"
time=2026-08-25T11:51:44.551Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T11:51:44.939Z level=INFO msg="Upload complete. (1.356s)"