these 2 derivations will be built:
  /nix/store/mmbshab1cs6lcyl3501bvw447qspbcvx-flake-inputs.drv
  /nix/store/vpabb03cz12bwaa1cwz4cy3n9mg2j4s4-check-flake-inputs.drv
building '/nix/store/mmbshab1cs6lcyl3501bvw447qspbcvx-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/mmbshab1cs6lcyl3501bvw447qspbcvx-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building mmbshab1cs6lcyl3501bvw447qspbcvx-flake-inputs.drv
building '/nix/store/vpabb03cz12bwaa1cwz4cy3n9mg2j4s4-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/vpabb03cz12bwaa1cwz4cy3n9mg2j4s4-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building vpabb03cz12bwaa1cwz4cy3n9mg2j4s4-check-flake-inputs.drv