these 2 derivations will be built:
  /nix/store/m81zqz2zjq45dbkpmixbm8hxf2yp67h0-flake-inputs.drv
  /nix/store/jg17rn2fd6yb6cy1538yb5x255s49nky-check-flake-inputs.drv
building '/nix/store/m81zqz2zjq45dbkpmixbm8hxf2yp67h0-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/m81zqz2zjq45dbkpmixbm8hxf2yp67h0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building m81zqz2zjq45dbkpmixbm8hxf2yp67h0-flake-inputs.drv
building '/nix/store/jg17rn2fd6yb6cy1538yb5x255s49nky-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/jg17rn2fd6yb6cy1538yb5x255s49nky-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building jg17rn2fd6yb6cy1538yb5x255s49nky-check-flake-inputs.drv