these 3 derivations will be built:
  /nix/store/zzgkrzv2sv309vck4ikbp6w3bp17yak9-sub2api-frontend-0.2.17.drv
  /nix/store/9h1h2i4rk85rc2jndgwjxmpcaiv8q128-sub2api-0.2.17.drv
  /nix/store/1np185gm6mgv2y91ivhi7087ifw6nfg2-check-sub2api.drv
building '/nix/store/zzgkrzv2sv309vck4ikbp6w3bp17yak9-sub2api-frontend-0.2.17.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'