these 2 derivations will be built:
  /nix/store/g1y6pnbacyqplf4xvi8sqnmzqg8m57jv-herdr-app-0.1.13.drv
  /nix/store/k27z1108ch0xcmhfb46syspcnbk95c4h-check-herdr-app.drv
building '/nix/store/g1y6pnbacyqplf4xvi8sqnmzqg8m57jv-herdr-app-0.1.13.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/g1y6pnbacyqplf4xvi8sqnmzqg8m57jv-herdr-app-0.1.13.drv' on farm.numtide.com:50051
herdr-app-0.1.13> mac02: building g1y6pnbacyqplf4xvi8sqnmzqg8m57jv-herdr-app-0.1.13.drv
building '/nix/store/k27z1108ch0xcmhfb46syspcnbk95c4h-check-herdr-app.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/k27z1108ch0xcmhfb46syspcnbk95c4h-check-herdr-app.drv' on farm.numtide.com:50051
check-herdr-app> mac02: building k27z1108ch0xcmhfb46syspcnbk95c4h-check-herdr-app.drv