these 2 derivations will be built:
  /nix/store/9ffnz6mjgpsk3ybh42i2j6143a8axw8s-flake-inputs.drv
  /nix/store/nb53n7nqvvpl0r8sjn2k6zvm9pzq1ghn-check-flake-inputs.drv
building '/nix/store/9ffnz6mjgpsk3ybh42i2j6143a8axw8s-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/9ffnz6mjgpsk3ybh42i2j6143a8axw8s-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 9ffnz6mjgpsk3ybh42i2j6143a8axw8s-flake-inputs.drv
building '/nix/store/nb53n7nqvvpl0r8sjn2k6zvm9pzq1ghn-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/nb53n7nqvvpl0r8sjn2k6zvm9pzq1ghn-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building nb53n7nqvvpl0r8sjn2k6zvm9pzq1ghn-check-flake-inputs.drv