this derivation will be built:
  /nix/store/6f1bnslrwl222pkw6z03j6549rrh872i-spec-keep-sorted.drv
building '/nix/store/6f1bnslrwl222pkw6z03j6549rrh872i-spec-keep-sorted.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/6f1bnslrwl222pkw6z03j6549rrh872i-spec-keep-sorted.drv' on farm.numtide.com:50051
spec-keep-sorted> elastic-arm-976bb8e2: building 6f1bnslrwl222pkw6z03j6549rrh872i-spec-keep-sorted.drv

upload niks3: ok