these 2 derivations will be built:
  /nix/store/9psdrx0g92l7bfxb2414gyfz51809f5a-flake-inputs.drv
  /nix/store/r00h5721r30jhr9f1v1fqfrg9r142pyf-check-flake-inputs.drv
building '/nix/store/9psdrx0g92l7bfxb2414gyfz51809f5a-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9psdrx0g92l7bfxb2414gyfz51809f5a-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 9psdrx0g92l7bfxb2414gyfz51809f5a-flake-inputs.drv
building '/nix/store/r00h5721r30jhr9f1v1fqfrg9r142pyf-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/r00h5721r30jhr9f1v1fqfrg9r142pyf-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building r00h5721r30jhr9f1v1fqfrg9r142pyf-check-flake-inputs.drv