these 2 derivations will be built:
  /nix/store/vl5cw1gfh0ngg4jwhs8mg8cs7dm781v6-flake-inputs.drv
  /nix/store/2b0is56byjcy9xpry680h3g46d7l843n-check-flake-inputs.drv
building '/nix/store/vl5cw1gfh0ngg4jwhs8mg8cs7dm781v6-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/vl5cw1gfh0ngg4jwhs8mg8cs7dm781v6-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vl5cw1gfh0ngg4jwhs8mg8cs7dm781v6-flake-inputs.drv
building '/nix/store/2b0is56byjcy9xpry680h3g46d7l843n-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/2b0is56byjcy9xpry680h3g46d7l843n-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 2b0is56byjcy9xpry680h3g46d7l843n-check-flake-inputs.drv