these 2 derivations will be built:
  /nix/store/hbvrc0rhzl4sd9jdfi8cyrl6p4njx49x-t3code-0.1.1.drv
  /nix/store/igf63mr7cn58bik5gwsmxiwzd5nx9yzp-check-t3code.drv
building '/nix/store/igf63mr7cn58bik5gwsmxiwzd5nx9yzp-check-t3code.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/igf63mr7cn58bik5gwsmxiwzd5nx9yzp-check-t3code.drv' on farm.numtide.com:50051
check-t3code> mac02: building igf63mr7cn58bik5gwsmxiwzd5nx9yzp-check-t3code.drv