this derivation will be built:
  /nix/store/42c7xnkg0nfyk26g3yivimmiww7ma790-check-bb-app.drv
this path will be fetched (0.0 KiB download, 155.6 MiB unpacked):
  /nix/store/4zk0pmmz5hfif3jmirlmz4j41ifwmg4a-bb-app-0.47.1
building '/nix/store/42c7xnkg0nfyk26g3yivimmiww7ma790-check-bb-app.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=20&system=aarch64-darwin'
building '/nix/store/42c7xnkg0nfyk26g3yivimmiww7ma790-check-bb-app.drv' on farm.numtide.com:50051
check-bb-app> mac02: building 42c7xnkg0nfyk26g3yivimmiww7ma790-check-bb-app.drv