this derivation will be built:
  /nix/store/g8ikl6y1qhl7n043gnj8ky92nsyhps89-check-sub2api.drv
building '/nix/store/g8ikl6y1qhl7n043gnj8ky92nsyhps89-check-sub2api.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/g8ikl6y1qhl7n043gnj8ky92nsyhps89-check-sub2api.drv' on farm.numtide.com:50051
check-sub2api> elastic-arm-f9c21b61: building g8ikl6y1qhl7n043gnj8ky92nsyhps89-check-sub2api.drv

upload niks3: ok