these 2 derivations will be built:
  /nix/store/15xdma5yb660cg8c4wz9hbmsnsry7awy-flake-inputs.drv
  /nix/store/cs54321ga3lx88nkghgc7bsq4ik1f5k7-check-flake-inputs.drv
building '/nix/store/15xdma5yb660cg8c4wz9hbmsnsry7awy-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/15xdma5yb660cg8c4wz9hbmsnsry7awy-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 15xdma5yb660cg8c4wz9hbmsnsry7awy-flake-inputs.drv
building '/nix/store/cs54321ga3lx88nkghgc7bsq4ik1f5k7-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/cs54321ga3lx88nkghgc7bsq4ik1f5k7-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building cs54321ga3lx88nkghgc7bsq4ik1f5k7-check-flake-inputs.drv