these 2 derivations will be built:
  /nix/store/x62yk7cky3clvi4n1r5ll2girpiv0baw-flake-inputs.drv
  /nix/store/06wlbkg9159m4h16cn2plvlbk77mx0x9-check-flake-inputs.drv
building '/nix/store/x62yk7cky3clvi4n1r5ll2girpiv0baw-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/x62yk7cky3clvi4n1r5ll2girpiv0baw-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building x62yk7cky3clvi4n1r5ll2girpiv0baw-flake-inputs.drv
building '/nix/store/06wlbkg9159m4h16cn2plvlbk77mx0x9-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/06wlbkg9159m4h16cn2plvlbk77mx0x9-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 06wlbkg9159m4h16cn2plvlbk77mx0x9-check-flake-inputs.drv