this derivation will be built:
  /nix/store/x9psi1bbv6nfhlcd69hck8sw67j5qkr6-check-cc-sdd.drv
building '/nix/store/x9psi1bbv6nfhlcd69hck8sw67j5qkr6-check-cc-sdd.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/x9psi1bbv6nfhlcd69hck8sw67j5qkr6-check-cc-sdd.drv' on farm.numtide.com:50051
check-cc-sdd> mac02: building x9psi1bbv6nfhlcd69hck8sw67j5qkr6-check-cc-sdd.drv