these 2 derivations will be built:
  /nix/store/6zfkhjz307m40znqjnr1cdhnqacixhd4-flake-inputs.drv
  /nix/store/bnn4y5822gcavhy0di2m87kgchdwq4v1-check-flake-inputs.drv
building '/nix/store/6zfkhjz307m40znqjnr1cdhnqacixhd4-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/6zfkhjz307m40znqjnr1cdhnqacixhd4-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 6zfkhjz307m40znqjnr1cdhnqacixhd4-flake-inputs.drv
building '/nix/store/bnn4y5822gcavhy0di2m87kgchdwq4v1-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/bnn4y5822gcavhy0di2m87kgchdwq4v1-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building bnn4y5822gcavhy0di2m87kgchdwq4v1-check-flake-inputs.drv