this derivation will be built:
  /nix/store/99s4wfjmipc94n3ng0lpc3y3hd1zmw6k-check-beads-viewer.drv
building '/nix/store/99s4wfjmipc94n3ng0lpc3y3hd1zmw6k-check-beads-viewer.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-linux'
building '/nix/store/99s4wfjmipc94n3ng0lpc3y3hd1zmw6k-check-beads-viewer.drv' on farm.numtide.com:50051
check-beads-viewer> bld4: building 99s4wfjmipc94n3ng0lpc3y3hd1zmw6k-check-beads-viewer.drv

upload niks3: ok