these 2 derivations will be built:
  /nix/store/0jxb6ca53chs7gf1jyhrm9h0jmkfjmap-flake-inputs.drv
  /nix/store/khmgyr44ka04sx34yx9ma600n2w9wikx-check-flake-inputs.drv
building '/nix/store/0jxb6ca53chs7gf1jyhrm9h0jmkfjmap-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0jxb6ca53chs7gf1jyhrm9h0jmkfjmap-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 0jxb6ca53chs7gf1jyhrm9h0jmkfjmap-flake-inputs.drv
building '/nix/store/khmgyr44ka04sx34yx9ma600n2w9wikx-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/khmgyr44ka04sx34yx9ma600n2w9wikx-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building khmgyr44ka04sx34yx9ma600n2w9wikx-check-flake-inputs.drv