these 2 derivations will be built:
  /nix/store/av48mb08a7x2y3rvjh27995hiilbvz4k-flake-inputs.drv
  /nix/store/kxpwi2dw0glmkrakxb475m8iy66qfa2h-check-flake-inputs.drv
building '/nix/store/av48mb08a7x2y3rvjh27995hiilbvz4k-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/av48mb08a7x2y3rvjh27995hiilbvz4k-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building av48mb08a7x2y3rvjh27995hiilbvz4k-flake-inputs.drv
building '/nix/store/kxpwi2dw0glmkrakxb475m8iy66qfa2h-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/kxpwi2dw0glmkrakxb475m8iy66qfa2h-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building kxpwi2dw0glmkrakxb475m8iy66qfa2h-check-flake-inputs.drv