these 2 derivations will be built:
  /nix/store/90i3ry9i02bz2w09m3n3yvnvf2y0hr97-flake-inputs.drv
  /nix/store/88dk433dkx49z989m47gldz5iyp04y18-check-flake-inputs.drv
building '/nix/store/90i3ry9i02bz2w09m3n3yvnvf2y0hr97-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/90i3ry9i02bz2w09m3n3yvnvf2y0hr97-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building 90i3ry9i02bz2w09m3n3yvnvf2y0hr97-flake-inputs.drv
building '/nix/store/88dk433dkx49z989m47gldz5iyp04y18-check-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/88dk433dkx49z989m47gldz5iyp04y18-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 88dk433dkx49z989m47gldz5iyp04y18-check-flake-inputs.drv