these 2 derivations will be built:
  /nix/store/h9rq5jsc5adrqgsbybzxmp1jcxmpdfnr-hol-guard-3.27.1.drv
  /nix/store/an8x7y8dvjrah004gcjbg9v2ncs83y2b-check-hol-guard.drv
building '/nix/store/h9rq5jsc5adrqgsbybzxmp1jcxmpdfnr-hol-guard-3.27.1.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=22&system=aarch64-darwin'