this derivation will be built:
  /nix/store/zbm9m8xkijmp226nvikaf6k1s86f18pc-check-pi.drv
building '/nix/store/zbm9m8xkijmp226nvikaf6k1s86f18pc-check-pi.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=20&system=aarch64-darwin'
building '/nix/store/zbm9m8xkijmp226nvikaf6k1s86f18pc-check-pi.drv' on farm.numtide.com:50051
check-pi> mac02: building zbm9m8xkijmp226nvikaf6k1s86f18pc-check-pi.drv

upload niks3: ok