this derivation will be built:
  /nix/store/rfsfmzv6lfz0p5x6d04ldpcf4mf8d3qw-check-docker-sbx.drv
this path will be fetched (0.0 KiB download, 395.2 MiB unpacked):
  /nix/store/hbc6zg0cxdv09wp2d1vz53ywg4gbbf0q-docker-sbx-0.49.1
building '/nix/store/rfsfmzv6lfz0p5x6d04ldpcf4mf8d3qw-check-docker-sbx.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-darwin'
building '/nix/store/rfsfmzv6lfz0p5x6d04ldpcf4mf8d3qw-check-docker-sbx.drv' on farm.numtide.com:50051
check-docker-sbx> mac02: building rfsfmzv6lfz0p5x6d04ldpcf4mf8d3qw-check-docker-sbx.drv

upload niks3: ok