this derivation will be built:
  /nix/store/gyxk3j951xyv647riashiijnswbisavp-nix-shell.drv
building '/nix/store/gyxk3j951xyv647riashiijnswbisavp-nix-shell.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/gyxk3j951xyv647riashiijnswbisavp-nix-shell.drv'
nix-shell> Running phase: buildPhase

post-build step Upload to niks3: ok
time=2026-08-25T11:51:43.110Z level=INFO msg="Uploading 1 paths to niks3.numtide.com (264 already cached)"
time=2026-08-25T11:51:43.110Z level=INFO msg="Uploading b6fwfv7v7z4ziqsrpyqrksk8jz85k7r9-nix-shell (9.5KB)"
time=2026-08-25T11:51:43.911Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T11:51:44.252Z level=INFO msg="Upload complete. (1.354s)"