this derivation will be built:
  /nix/store/zbilksff06dv07ihj8c7vnp8j8q14gb6-check-t3code.drv
building '/nix/store/zbilksff06dv07ihj8c7vnp8j8q14gb6-check-t3code.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/zbilksff06dv07ihj8c7vnp8j8q14gb6-check-t3code.drv' on farm.numtide.com:50051
check-t3code> mac02: building zbilksff06dv07ihj8c7vnp8j8q14gb6-check-t3code.drv