this derivation will be built:
  /nix/store/2hz75knc3pzalrk8cw255rf3865gpwa7-check-gastown.drv
building '/nix/store/2hz75knc3pzalrk8cw255rf3865gpwa7-check-gastown.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/2hz75knc3pzalrk8cw255rf3865gpwa7-check-gastown.drv'

upload niks3: ok